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**2h4c6o7q2l** · 08-17-2011, 09:00 AM

ISO Its full name is International Organization for Standards. ISO one comes from the Greek International Organization for Standardization (International Organization for Standardization) referred to as ISO, is a global non-governmental organizations, the field of international standardization is a very important organization. China is a full member of ISO, an organization on behalf of China National Standardization Administration of China (Standardization Administration of China, referred to as the SAC). Digital camera ISO value and the ISO (Isolation) generally iso file extension.
directory
concept of the English summary referred to International Organization for Standardization ISO value of the digital camera computer Introduction to International Organization for Standardization ISO file ISO standard involves knowledge of the contents of the basics of ISO certification class ISO14000 and ISO9000 standard difference between digital About ISO value of the camera works and benefits of ISO image files to facilitate high-speed CD-ROM Notebook MO best partner best choice for disc copying compressed ISO CD ROM to run multiple operating systems use different towers

concept of international standardization Summary English referred to the organization ISO/TC46, the ISO's Technical Committee 46 ─ ─ Information and Documentation Technical Committee, responsible for the development and promotion of library work and documentation and the relevant international standards. Has been enacted and promulgated nearly a hundred international standards of information and literature classes, including the International Standard Book Number (ISBN) and International Serial Number (ISSN) and so on. Digital camera ISO sensitivity ISO value is a measure of the use of traditional cameras Film Speed standard international harmonization of indicators, which reflects the speed photographic film (in fact, the photochemical silver reaction of elements and the speed of light). Traditional cameras capture the scene according to the specific circumstances of selecting different ISO sensitivity low, medium or high-speed film to shoot. ISO file PC ISO file iso extension generally, is to copy all the information on the disc to form the image file. Introduction to International Organization for Standardization International Organization for Standardization English abbreviation. Its full name is International Organization for Standardization. ISO one comes from the Greek International Organization for Standardization (ISO) is the national standards bodies (ISO member bodies) of the worldwide federation. Developed by the ISO international standards is normally the technical committees. Each member body for which a technical committee has been established interest, are entitled to participate in the work of the Commission. ISO to keep in touch with various international organizations (official or unofficial) may also participate in the work. ISO and the International Electrotechnical Commission (IEC) of electrotechnical standardization to maintain close cooperation. ISO ISO is a common sense of an organization called English. Its full name is International Organization for Standardization,air force 1 shoes, translated into Chinese is Founded in February 23, 1947. In addition to ISO is responsible for electrical, electronics and military, oil, shipbuilding, many important areas outside of the standardization activities. ISO 117 existing members, including 117 countries and regions. ISO's supreme body is the annual 170 Central Secretariat of existing staff, by the Secretary-General. ISO's purpose is , technical Commission (SC) were 611, the Working Group (WG) 2022 in the Special Working Group 38. China in 1978 joined the ISO, in October 2008 the 31st General Conference of the International Standard, China officially became a permanent member of ISO. Many people noted that the International Organization for Standardization (International Organization for Standardization) the full name and initials difference between, why not In fact, , From Standards related to the contents of the standard covers a wide range, from basic fasteners, bearing all kinds of raw materials to semi-finished and finished products, the technical fields related to information technology, transportation, agriculture, health and the environment. Each agency has its own work the work plan lists the need for standard items (test method, terminology, specifications, performance requirements, etc.). ISO's main function is the development of international standards for people to provide a mechanism to reach consensus. The main institutions and operating rules in a book called ISO / IEC technical documents for the work to be laid, its technical agencies have 800 ISO technical committees and subcommittees, they have a chairman and a secretariat, the Secretary is that by serving as members, is undertaking the work of Secretary of State has 30 member groups, the Secretariat and the ISO Central Secretariat in Geneva to maintain direct contact. Through these organizations, ISO has released a 9200 international standards, such as the ISO metric thread, ISO A4-paper size, ISO containers series (currently 95% of the world, sea containers are in line with ISO standards), ISO film speed code, ISO's Open System Interconnection (OS2) Series (widely used in the information technology field), and the famous ISO9000 quality management standards. In addition, ISO also with 450 international and regional standards organizations have liaison relationships, particularly with the International Telecommunication Union (ITU) are closely linked. In the ISO / IEC international standards bodies outside the system a total of 28. Each agency in the development of international standards in a particular area, usually they are under United Nations control. A typical example is the World Health Organization (WHO). ISO / IEC 85% of the formulation of international standards, the remaining 15% by the 28 other international standards bodies to develop. ISO Certification Class Standard

basic knowledge of one, you know, A: ISO is the International Organization for Standardization, is by international standards bodies (ISO member bodies) a worldwide federation. The development of international standards is often the ISO technical committees, the member body established its Technical Committee interested in the project, have the right to participate in the work of the Commission. 2, you know, A: ISO9001 international quality management system refers to the introduction of the process, will be converted to national standards with international standards, the conversion methods are identical with and equivalent in two, in China is equivalent to the approach used by the standard, that is not made reference to any changes to this standard. For easy identification in reference to international standards,air force 1 high, we added a Which expressed identical with the meaning of idt, GB / T behalf of the State recommended standard meaning. 3, you know GB/T19000 family of standards including those standards? It includes: a) GB/T19000 quality management systems Fundamentals and vocabulary b) GB/T19001 quality management system requirements c) GB/T19004 Quality Management System Guidelines for performance improvements d) GB/T19011 quality and (or) environmental management systems auditing 4 , have you heard A: PDCA was made by the United States, Dr. Hugh Hart. Quality promoted by management guru Mr. Dai Ming, also known as To improve management performance, continuously continuous improvement. 5, you know the quality management system in the A: The principle: customer focus; Principle II: leadership; principle of three: full participation; Principle IV: Process approach; Principle V: System approach to management; six principles: continuous improvement; seven principles: fact-based decision making; principles VIII: mutually beneficial relationship with suppliers. The difference between ISO14000 and ISO9000 ISO 9000 ISO 14000 series of standards with both management standards to abide by the principles of general management system. ISO 14000 part of the direct use of the content of ISO 9000 standard,nike air force one high, a number of management and certification procedures for roughly the same. However, different environmental standards and quality standards, it has the following characteristics: 1, ISO 14000 focuses on the activities, products, services, environmental impact; the ISO 9000 focuses on product design, development, production, testing, use and service during quality requirements. 2, the ISO 14000 environmental impacts related to the whole, therefore, it not only to consider the needs of customers, but also consider the wider interests of various stakeholders; and ISO 9000's covers all employees within the enterprise, its focus is , on-site, cost, efficiency, 3, ISO 14000 applies to companies of all sizes, small and medium enterprises to standardize their behavior is more important; ISO 9000 also applies to businesses of all sizes. 4, ISO 14000 uses the product life cycle approach, with the guidance of enterprises in the production of the entire process of implementation of environmental standards, which help protect the environment, conserve resources and reduce costs; ISO 9000 emphasis on the statistical techniques of action, which requires companies to choose statistical methods to be used carefully, and verify using the results. 5, ISO 14000 focuses on creating a good environment; ISO 9000 focus on quality records. 6,nike air force 1 high, ISO 14000 standards, while not mandatory, but can be used for internal and external certification, registration. It can be seen from the ISO 14000 and ISO 9000 in the form and content, there are many differences, is running two separate standards, not interchangeable. About ISO ISO value of the digital camera is not sensitivity, but rather on the sensitivity to do a quantitative requirement. ISO sensitivity is a measure used by traditional cameras Film Speed standard international harmonization of indicators, which reflects the speed photographic film (in fact, the photochemical silver reaction of elements and the speed of light). Traditional cameras capture the scene according to the specific circumstances of selecting different ISO sensitivity low, medium or high-speed film to shoot. For the digital camera is, in fact, do not use film, but by light-sensitive CCD or CMOS devices and related electronic circuit sensing the intensity of incident light. In order to use traditional film cameras uniform units of measurement, it introduces the concept of ISO sensitivity. Similarly,nike air force one low, the digital camera ISO sensitivity also reflects the speed of the light-sensitive. ISO value increases by 1 times the speed of the photoreceptor corresponding increase in 1 times. Such as the sensitivity of ISO200 ISO100 sensitivity of the photosensitive than 1 times faster, than the ISO200 and ISO400 sensitivity sensitivity increased by 1 fold increase when compared to 4 times the sensitivity of ISO100, and so on. Works represent the high and low ISO speed EV exposure at the same value, select a higher ISO sensitivity, aperture unchanged in the use of faster shutter speeds to get the same exposure. In contrast, in the case of the shutter can not change the use of smaller aperture while maintaining the correct exposure. Thus, in the case of relatively dim light shooting, often you can choose a higher ISO sensitivity. Of course, in terms of SLR cameras can also choose to use a larger aperture lens, improved luminous flux. And as for the average digital camera uses a fixed lens, only by increasing the ISO sensitivity to adapt to dim light shooting situations, especially in the light can not use the auxiliary conditions. Used in traditional camera film is by controlling the dye sensitivity to light of different film speeds to achieve the purpose of improving. However, the sensitivity will be reduced to improve image clarity, increased contrast, which is to reduce the dynamic range. Sensor digital cameras are active components, there is the dark current, common mode, set the cut-off current, and will not use the existence of some noise, high sensitivity mode is used to the presence of a large part of the noise, which reflects the background noise the image is a random variegated. As long as the sensor does not improve, the aperture does not change, the problem can not be a real improvement, the most intuitive use of algorithms weaken the feeling of noise, which is high iso camera lenses tend to have larger and larger sensor of the causes. Therefore, when the scene bad lighting conditions should first consider the auxiliary light (flash and reflectors) of the application can not be considered again when the use of complementary light use a tripod and image stabilization, and finally consider raising the ISO sensitivity of the approach. Often take the stage for such low light,nike air force one, and not allowed to use flash or tripod is not easy to use place, you can try to select a shorter focal length lens diameter larger, ccd larger size digital cameras, SLR digital cameras you can choose to use a larger diameter the lens to shoot (of course, large aperture also reduce depth of field). Night shooting often use a larger aperture and longer exposure time, the higher the ISO sensitivity if the choice will inevitably produce noise, and variegated. Then you can use a tripod and the self-timer, it is possible to re-use the shutter cable, select a lower ISO sensitivity to avoid noise and noise generation. Therefore, when buying a digital camera with the greatest need to consider the options and larger size iso ccd camera, the more conducive to low-light shooting situations. Use as much as possible when shooting auxiliary light source and a longer exposure time. ISO image file ISO (Isolation) generally iso file extension, is to copy all the information on the disc to form the image file. In windows, the general need special tools to operate ISO file. Such as WinISO, WinImage, Daemon Tools, Alcohol 120%, WinMount other virtual drive software, if you just want to read the contents of ISO files, you can use WinRAR, WinMount. WinRAR3.0 above iso file formats are supported. Open the ISO file using WinRAR, select the desired content, to extract out of it. WinMount can use the CD-ROM or hard disk file from the physical production of ISO files. In most of the linux mount commands can be used in a direct mount. Convenience and benefits of using CD-ROM ISO file can not be achieved, many general features, such as running without the disc, even without the optical drive can also perform more than one CD-ROM software, quick processing, easy to carry and so on. Virtual CD has the following characteristics and uses: High-speed CD-ROM ISO file directly on the hard disk is running, the speed up to 200X; virtual drive the reaction speed is very fast, smooth playing non-stop image file. General hard disk transfer speed of 10-15MB / S so, converted into optical transmission speed (150K / S) is equal to 100X. Today, most integrated board Ultra DMA hard disk controller, the transmission speed can up to 33M / S (220X) notebook perfect companion ISO file to resolve the laptop does not drive, too slow, not easy to carry, drive power and other issues; CD-ROM image from other computers or network to copy over. MO ISO files can be stored in the best MO disk, the MO disk to carry a Copy CD ISO file is very easy to manage; not hundreds of thousands of files to copy the CD to the hard disk, this method may not be able to run correctly, because a lot of software requires CD-ROM drive on the run, and remove management is a problem; virtual drive is completely solved these problems. CD-ROM can run multiple virtual drive to run multiple different ISO files. For example, we can be viewed on a CD-ROM Encyclopaedia Britannica, and another drive with the installation of This request is on a drive can not do in any case. ISO files are typically compressed by a professional real-time compression and decompression algorithms for some files not compressed, the compression rate of up to 50% or more; run automatically when the real-time decompression, video playback without distortion. ISO file to CD tower CD tower completely replace the expensive, which can directly access an unlimited number of CD-ROM, without waiting for disk, fast, easy to use, space and no hardware maintenance problems. Use different operating systems Linux Linux operating under the ISO file to root, execute the following command format from / path directory to read the contents of this file xxx.iso. Actual use, should be modified according to the actual situation / path and xxx.iso. mount-t iso9660-o loop xxx.iso / path if you want to make ISO files to CD-ROM into the drive, and then perform the following copy command to copy the contents of the disc to a ISO file. Actual use, should be based on practical situation xxx.iso. cp / dev / cdrom xxx.iso Windows operating ISO file in the windows, the general need special tools to operate ISO file. Such as WinISO, WinImage, Daemon Tools, etc.. If you just want to read the contents of ISO files, you can use WinRAR. WinRAR3.0 above iso9660 file formats are supported. Use WinRAR, WinISO or WinImage to open ISO file, select the desired content, to extract out of it. Linux operating system installation disk ISO file iso red Linux4.1 desktop version of the Linux installation files to the mounted under / mnt / iso directory to see the content. If you carved this CD iso file, then see the contents of the CD is like this. It should be noted there are two directories. One is the images, in this directory contains a number of 1.44MB floppy image file, which can be used to make bootdisk.img installation boot floppy; the other is dosutils, which contains a number of DOS tools such as rawrite.exe, use this software can write the image file to the floppy diskette. Atlas Atlas entry for more extended reading: 1
ISO International Organization for Standardization certification system http://www.shengchanguanli.org/zhishi/iso.htm
Open Category: digital cameras, organizations, terminology , file format, architecture, to perfect my

08-17-2011, 09:00 AM	#2
2h4c6o7q2l Commander In Chief Join Date: Sep 2010 Posts: 588	ISO Its full name is International Organization for Standards. ISO one comes from the Greek International Organization for Standardization (International Organization for Standardization) referred to as ISO, is a global non-governmental organizations, the field of international standardization is a very important organization. China is a full member of ISO, an organization on behalf of China National Standardization Administration of China (Standardization Administration of China, referred to as the SAC). Digital camera ISO value and the ISO (Isolation) generally iso file extension. directory concept of the English summary referred to International Organization for Standardization ISO value of the digital camera computer Introduction to International Organization for Standardization ISO file ISO standard involves knowledge of the contents of the basics of ISO certification class ISO14000 and ISO9000 standard difference between digital About ISO value of the camera works and benefits of ISO image files to facilitate high-speed CD-ROM Notebook MO best partner best choice for disc copying compressed ISO CD ROM to run multiple operating systems use different towers concept of international standardization Summary English referred to the organization ISO/TC46, the ISO's Technical Committee 46 ─ ─ Information and Documentation Technical Committee, responsible for the development and promotion of library work and documentation and the relevant international standards. Has been enacted and promulgated nearly a hundred international standards of information and literature classes, including the International Standard Book Number (ISBN) and International Serial Number (ISSN) and so on. Digital camera ISO sensitivity ISO value is a measure of the use of traditional cameras Film Speed standard international harmonization of indicators, which reflects the speed photographic film (in fact, the photochemical silver reaction of elements and the speed of light). Traditional cameras capture the scene according to the specific circumstances of selecting different ISO sensitivity low, medium or high-speed film to shoot. ISO file PC ISO file iso extension generally, is to copy all the information on the disc to form the image file. Introduction to International Organization for Standardization International Organization for Standardization English abbreviation. Its full name is International Organization for Standardization. ISO one comes from the Greek International Organization for Standardization (ISO) is the national standards bodies (ISO member bodies) of the worldwide federation. Developed by the ISO international standards is normally the technical committees. Each member body for which a technical committee has been established interest, are entitled to participate in the work of the Commission. ISO to keep in touch with various international organizations (official or unofficial) may also participate in the work. ISO and the International Electrotechnical Commission (IEC) of electrotechnical standardization to maintain close cooperation. ISO ISO is a common sense of an organization called English. Its full name is International Organization for Standardization,air force 1 shoes, translated into Chinese is Founded in February 23, 1947. In addition to ISO is responsible for electrical, electronics and military, oil, shipbuilding, many important areas outside of the standardization activities. ISO 117 existing members, including 117 countries and regions. ISO's supreme body is the annual 170 Central Secretariat of existing staff, by the Secretary-General. ISO's purpose is , technical Commission (SC) were 611, the Working Group (WG) 2022 in the Special Working Group 38. China in 1978 joined the ISO, in October 2008 the 31st General Conference of the International Standard, China officially became a permanent member of ISO. Many people noted that the International Organization for Standardization (International Organization for Standardization) the full name and initials difference between, why not In fact, , From Standards related to the contents of the standard covers a wide range, from basic fasteners, bearing all kinds of raw materials to semi-finished and finished products, the technical fields related to information technology, transportation, agriculture, health and the environment. Each agency has its own work the work plan lists the need for standard items (test method, terminology, specifications, performance requirements, etc.). ISO's main function is the development of international standards for people to provide a mechanism to reach consensus. The main institutions and operating rules in a book called ISO / IEC technical documents for the work to be laid, its technical agencies have 800 ISO technical committees and subcommittees, they have a chairman and a secretariat, the Secretary is that by serving as members, is undertaking the work of Secretary of State has 30 member groups, the Secretariat and the ISO Central Secretariat in Geneva to maintain direct contact. Through these organizations, ISO has released a 9200 international standards, such as the ISO metric thread, ISO A4-paper size, ISO containers series (currently 95% of the world, sea containers are in line with ISO standards), ISO film speed code, ISO's Open System Interconnection (OS2) Series (widely used in the information technology field), and the famous ISO9000 quality management standards. In addition, ISO also with 450 international and regional standards organizations have liaison relationships, particularly with the International Telecommunication Union (ITU) are closely linked. In the ISO / IEC international standards bodies outside the system a total of 28. Each agency in the development of international standards in a particular area, usually they are under United Nations control. A typical example is the World Health Organization (WHO). ISO / IEC 85% of the formulation of international standards, the remaining 15% by the 28 other international standards bodies to develop. ISO Certification Class Standard basic knowledge of one, you know, A: ISO is the International Organization for Standardization, is by international standards bodies (ISO member bodies) a worldwide federation. The development of international standards is often the ISO technical committees, the member body established its Technical Committee interested in the project, have the right to participate in the work of the Commission. 2, you know, A: ISO9001 international quality management system refers to the introduction of the process, will be converted to national standards with international standards, the conversion methods are identical with and equivalent in two, in China is equivalent to the approach used by the standard, that is not made reference to any changes to this standard. For easy identification in reference to international standards,air force 1 high, we added a Which expressed identical with the meaning of idt, GB / T behalf of the State recommended standard meaning. 3, you know GB/T19000 family of standards including those standards? It includes: a) GB/T19000 quality management systems Fundamentals and vocabulary b) GB/T19001 quality management system requirements c) GB/T19004 Quality Management System Guidelines for performance improvements d) GB/T19011 quality and (or) environmental management systems auditing 4 , have you heard A: PDCA was made by the United States, Dr. Hugh Hart. Quality promoted by management guru Mr. Dai Ming, also known as To improve management performance, continuously continuous improvement. 5, you know the quality management system in the A: The principle: customer focus; Principle II: leadership; principle of three: full participation; Principle IV: Process approach; Principle V: System approach to management; six principles: continuous improvement; seven principles: fact-based decision making; principles VIII: mutually beneficial relationship with suppliers. The difference between ISO14000 and ISO9000 ISO 9000 ISO 14000 series of standards with both management standards to abide by the principles of general management system. ISO 14000 part of the direct use of the content of ISO 9000 standard,nike air force one high, a number of management and certification procedures for roughly the same. However, different environmental standards and quality standards, it has the following characteristics: 1, ISO 14000 focuses on the activities, products, services, environmental impact; the ISO 9000 focuses on product design, development, production, testing, use and service during quality requirements. 2, the ISO 14000 environmental impacts related to the whole, therefore, it not only to consider the needs of customers, but also consider the wider interests of various stakeholders; and ISO 9000's covers all employees within the enterprise, its focus is , on-site, cost, efficiency, 3, ISO 14000 applies to companies of all sizes, small and medium enterprises to standardize their behavior is more important; ISO 9000 also applies to businesses of all sizes. 4, ISO 14000 uses the product life cycle approach, with the guidance of enterprises in the production of the entire process of implementation of environmental standards, which help protect the environment, conserve resources and reduce costs; ISO 9000 emphasis on the statistical techniques of action, which requires companies to choose statistical methods to be used carefully, and verify using the results. 5, ISO 14000 focuses on creating a good environment; ISO 9000 focus on quality records. 6,nike air force 1 high, ISO 14000 standards, while not mandatory, but can be used for internal and external certification, registration. It can be seen from the ISO 14000 and ISO 9000 in the form and content, there are many differences, is running two separate standards, not interchangeable. About ISO ISO value of the digital camera is not sensitivity, but rather on the sensitivity to do a quantitative requirement. ISO sensitivity is a measure used by traditional cameras Film Speed standard international harmonization of indicators, which reflects the speed photographic film (in fact, the photochemical silver reaction of elements and the speed of light). Traditional cameras capture the scene according to the specific circumstances of selecting different ISO sensitivity low, medium or high-speed film to shoot. For the digital camera is, in fact, do not use film, but by light-sensitive CCD or CMOS devices and related electronic circuit sensing the intensity of incident light. In order to use traditional film cameras uniform units of measurement, it introduces the concept of ISO sensitivity. Similarly,nike air force one low, the digital camera ISO sensitivity also reflects the speed of the light-sensitive. ISO value increases by 1 times the speed of the photoreceptor corresponding increase in 1 times. Such as the sensitivity of ISO200 ISO100 sensitivity of the photosensitive than 1 times faster, than the ISO200 and ISO400 sensitivity sensitivity increased by 1 fold increase when compared to 4 times the sensitivity of ISO100, and so on. Works represent the high and low ISO speed EV exposure at the same value, select a higher ISO sensitivity, aperture unchanged in the use of faster shutter speeds to get the same exposure. In contrast, in the case of the shutter can not change the use of smaller aperture while maintaining the correct exposure. Thus, in the case of relatively dim light shooting, often you can choose a higher ISO sensitivity. Of course, in terms of SLR cameras can also choose to use a larger aperture lens, improved luminous flux. And as for the average digital camera uses a fixed lens, only by increasing the ISO sensitivity to adapt to dim light shooting situations, especially in the light can not use the auxiliary conditions. Used in traditional camera film is by controlling the dye sensitivity to light of different film speeds to achieve the purpose of improving. However, the sensitivity will be reduced to improve image clarity, increased contrast, which is to reduce the dynamic range. Sensor digital cameras are active components, there is the dark current, common mode, set the cut-off current, and will not use the existence of some noise, high sensitivity mode is used to the presence of a large part of the noise, which reflects the background noise the image is a random variegated. As long as the sensor does not improve, the aperture does not change, the problem can not be a real improvement, the most intuitive use of algorithms weaken the feeling of noise, which is high iso camera lenses tend to have larger and larger sensor of the causes. Therefore, when the scene bad lighting conditions should first consider the auxiliary light (flash and reflectors) of the application can not be considered again when the use of complementary light use a tripod and image stabilization, and finally consider raising the ISO sensitivity of the approach. Often take the stage for such low light,nike air force one, and not allowed to use flash or tripod is not easy to use place, you can try to select a shorter focal length lens diameter larger, ccd larger size digital cameras, SLR digital cameras you can choose to use a larger diameter the lens to shoot (of course, large aperture also reduce depth of field). Night shooting often use a larger aperture and longer exposure time, the higher the ISO sensitivity if the choice will inevitably produce noise, and variegated. Then you can use a tripod and the self-timer, it is possible to re-use the shutter cable, select a lower ISO sensitivity to avoid noise and noise generation. Therefore, when buying a digital camera with the greatest need to consider the options and larger size iso ccd camera, the more conducive to low-light shooting situations. Use as much as possible when shooting auxiliary light source and a longer exposure time. ISO image file ISO (Isolation) generally iso file extension, is to copy all the information on the disc to form the image file. In windows, the general need special tools to operate ISO file. Such as WinISO, WinImage, Daemon Tools, Alcohol 120%, WinMount other virtual drive software, if you just want to read the contents of ISO files, you can use WinRAR, WinMount. WinRAR3.0 above iso file formats are supported. Open the ISO file using WinRAR, select the desired content, to extract out of it. WinMount can use the CD-ROM or hard disk file from the physical production of ISO files. In most of the linux mount commands can be used in a direct mount. Convenience and benefits of using CD-ROM ISO file can not be achieved, many general features, such as running without the disc, even without the optical drive can also perform more than one CD-ROM software, quick processing, easy to carry and so on. Virtual CD has the following characteristics and uses: High-speed CD-ROM ISO file directly on the hard disk is running, the speed up to 200X; virtual drive the reaction speed is very fast, smooth playing non-stop image file. General hard disk transfer speed of 10-15MB / S so, converted into optical transmission speed (150K / S) is equal to 100X. Today, most integrated board Ultra DMA hard disk controller, the transmission speed can up to 33M / S (220X) notebook perfect companion ISO file to resolve the laptop does not drive, too slow, not easy to carry, drive power and other issues; CD-ROM image from other computers or network to copy over. MO ISO files can be stored in the best MO disk, the MO disk to carry a Copy CD ISO file is very easy to manage; not hundreds of thousands of files to copy the CD to the hard disk, this method may not be able to run correctly, because a lot of software requires CD-ROM drive on the run, and remove management is a problem; virtual drive is completely solved these problems. CD-ROM can run multiple virtual drive to run multiple different ISO files. For example, we can be viewed on a CD-ROM Encyclopaedia Britannica, and another drive with the installation of This request is on a drive can not do in any case. ISO files are typically compressed by a professional real-time compression and decompression algorithms for some files not compressed, the compression rate of up to 50% or more; run automatically when the real-time decompression, video playback without distortion. ISO file to CD tower CD tower completely replace the expensive, which can directly access an unlimited number of CD-ROM, without waiting for disk, fast, easy to use, space and no hardware maintenance problems. Use different operating systems Linux Linux operating under the ISO file to root, execute the following command format from / path directory to read the contents of this file xxx.iso. Actual use, should be modified according to the actual situation / path and xxx.iso. mount-t iso9660-o loop xxx.iso / path if you want to make ISO files to CD-ROM into the drive, and then perform the following copy command to copy the contents of the disc to a ISO file. Actual use, should be based on practical situation xxx.iso. cp / dev / cdrom xxx.iso Windows operating ISO file in the windows, the general need special tools to operate ISO file. Such as WinISO, WinImage, Daemon Tools, etc.. If you just want to read the contents of ISO files, you can use WinRAR. WinRAR3.0 above iso9660 file formats are supported. Use WinRAR, WinISO or WinImage to open ISO file, select the desired content, to extract out of it. Linux operating system installation disk ISO file iso red Linux4.1 desktop version of the Linux installation files to the mounted under / mnt / iso directory to see the content. If you carved this CD iso file, then see the contents of the CD is like this. It should be noted there are two directories. One is the images, in this directory contains a number of 1.44MB floppy image file, which can be used to make bootdisk.img installation boot floppy; the other is dosutils, which contains a number of DOS tools such as rawrite.exe, use this software can write the image file to the floppy diskette. Atlas Atlas entry for more extended reading: 1 ISO International Organization for Standardization certification system http://www.shengchanguanli.org/zhishi/iso.htm Open Category: digital cameras, organizations, terminology , file format, architecture, to perfect my

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