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| Also called random access memory or RAM, consists of electronic components that temporarily store instructions waiting to be executed by the processor , data needed by those instructions , and the results of processed data(Information) |
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| Abbretived by K or KB equals 1,000 bytes |
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| Stores one character such as the letter |
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| Prints by striking an inked ribbon against the paper one type of impact printer is the dot-matrix printer. |
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This is when they print by means other then striking a ribbon against paper . Examples are ink-jet and laser printers.
Laser printer is a high speed, high quality non impact printer that employs copier-machine technology .It converts data from the computer into a beam of light that is focused on a photo conductor drum, forming the images to be printed |
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| Form characters or graphics by using a nozzle that sprays tiny drops of ink onto the page. |
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| Stand for Number of Pages Per minute |
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| Output devices that visually conveys text, graphics and video information. |
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| Display Device that is packaged as a separate unit . Two types Flat panel monitor and CRT |
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| The LCD the most popular type of flat panel monitor uses a liquid display crystal similar to a digital watch, to produce images on the screen. |
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| Stands for Cathode Ray Tube ,the surface of the screen of either a CRT monitor or LCD monitor is composed of pixels. |
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| Individual picture element |
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| Used to store instructions , data and information when they are not being used in memory. |
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| Uses magnetic particles to store items such as data , instructions and information on a disks surface. |
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| Process of dividing the disk into tracks and sectors so the computer can locate the data, instructions and information on the disk. |
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| Narrow recording band that forms a full circle on the surface of the disk. |
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| The disks storage locations consist of pie-shaped sections which break the tracks into small arcs. |
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| Two types of magnetic disks |
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| Floppy disks and Hard Disks |
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| Means you can remove the medium from one computer and carry it to another computer |
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| Storage Device that contains one or more inflexible , circular platters that magnetically store data ,instructions, and information. |
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| A read/write head touches a platter , usually resulting in loss of data or sometimes the entire drive |
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| Duplicate of a file ,program or disk that you can use in case the original is lost ,lost, damaged, or destroyed . |
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| Also called diskette inexpensive portable storage medium. The most widely used floppy disk is 3.5 inches wide and typically can store up to 1.44 megabytes of data or 1,474,560 characters. |
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| Device that can read from and write on a floppy disk. |
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