Limitations of Primary Memory: Limited capacity because the cost per bit of storage is high Volatile - data stored in it is lost when the electric power is turned off or interrupted. So as a result additional memory called auxiliary memory or secondary memory is used. Following are the features of Auxiliary or Secondary Storage: 1. Permanent or Non-volatile Storage: The data which is stored in those devices is not lost when the power is switched off. The data is retained. 2. Voluminous
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COMPUTER PRODUCTION MVC Enterprises can manufacture four different computer models; the Student‚ Plus‚ Net‚ and Pro models. The following gives the configurations of each model: | STUDENT | PLUS | NET | PRO | Processor | Celeron | Celeron | Celeron | Pentium | Hard Drive | 20 gb | 20 gb | 20 gb | 30 gb | Floppy Drives | 1 | 1 | 2 | 1 | Zip Drives | Yes | Yes | No | Yes | Audio/Video | CD R/W | DVD | DVD +CD R/W | DVD +CD R/W | Monitor | 15” | 15” | 17” | 17” | Case | Tower | Mini-Tower
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The Simple Solution to Condensing‚ Viewing and Organizing computer files. Things to consider before beginning: Consider what functions you want to perform with your files. Why are you organizing Do you want to condense information for mainly storage purposes‚ rather than for everyday usage? If so‚ see Section B. If you want to organize your information into "file cabinets" which you can access easily‚ quickly view‚ and work from what is contained within‚ see Section A. Section A:
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Computer Storage Devices Storage devices are used in order to store various items such as programs‚ data and instructions. Storage was used as early as 1804 by hole punching paper cards in order to control machinery. Without storage‚ the computer programs and files that exist now would not be possible. There are many different devices used for storage today such as hard drives‚ floppy drives and CD-Rom drives. Hard drives come in all computers and are the main storage device. An average hard drive
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portable systems‚ whereas the 2 1/2-inch and smaller drives are popular in portable and notebook systems. Most HDDs have two or more platters‚ although some of the smaller drives used in portable systems and some entry-level drives for desktop computers have only one. The number of platters a drive can have is limited by the drive’s vertical physical size. The maximum number of platters I have seen in any 3 1/2-inch drive is 12; however‚ most drives have six or fewer. Platters were originally
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The hard disk is the main storage device in your computer. It is a bit like a filing cabinet: all of your data files and applications software are stored on it. The hard disk contains a number of metal platters which have been coated with a special magnetic material. The data is stored in this magnetic material. Thus‚ the hard disk is known as a magnetic storage device. In order to access the data‚ the platters spin many thousands of times a second and a magnetic read and write head floats just
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1. How does short-term memory and long-term memory in a human compare to computer memory? – because they both store information ‚ one stores information that is long lasting and the other stores information that is only meant to last a short period of time. 2. If a person opens MS Word and starts to write‚ will the information be automatically saved if the computer reboots? Explain—if the computer reboots by itself yes it would be automatically saved but if it doesn’t reboot by itself and you
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9/17/2014 The History of Computer Storage from 1938 - 2013 | Zetta.net 1.877.469.3882 Enterprise-grade Cloud Backup and Disaster Recovery PRODUCTS IT INITIATIVES RESOURCES Login CUSTOMERS Blog Contact Us PARTNERS Pricing SEARCH ABOUT US The History of Computer Storage Innovation from 1928 to Today Humankind has always tried to find ways to store information. In today s modern age‚ people have become accustomed to technological terminology‚ such as CD-ROM
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Computer assignment Name :- Zain ul abidin M.C.Qs 1) What’s your age? 2) What’s your highest qualification? 3) Favorite color MINIATURE DEVICES What are miniature storage devices? ANSWER Definition: A miniature mobile storage device is a device that allows users to transport digital images‚ documents or music files to and from computers and other devices. Examples: Examples of miniature storage devices
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T Media Def. and Uses Advantages Disadvantages Magnetic backing storage media Stores the binary data on a disk or tape coated with a material that can be magnetised differently‚ depending on whether a 0 or 1 is stored. used for tertiary and off-line storage. Data stored in backing storage is permanent so it is NOT lost when the computer is turned off. It is always slower to access data from backing storage than from internal memory. Fixed hard disks A hard-drive built into the case of the
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