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| Also called Random Access Memory (RAM). This consists of electronic components that temporarily store instructions waiting to be executed by the processor, data need by those instructions, and the results of the processed data (information). |
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| Equals 1000 bytes. Abbreviated as KB |
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| Equals 1 million bytes. Abbreviated as MB |
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| 1 memory location or 1 character |
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| These print 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 than striking a ribbon against paper. Examples are inkjet and laser printers. |
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| They form characters or graphics by using a nozzle that sprays tiny drops of ink onto the page. |
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| A high speed, high quality nonimpact 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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| Number of pages printed 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. The surface of the screen on either is composed of pixels. |
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| Also called and LCD monitor. Considered to be the most popular type of flat panel monitor. It 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 |
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| An individual picture element |
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| Used to store data and information, when they are not being used in memory. |
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| Use magnetic particles to store items such as data, instructions, and information in a disk's surface. |
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| The process of dividing the dish into tracks and sections, so the computer can locate the data, instructions, and information on the disk. |
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| A narrow recording band, that forms a full circle on the surface of the disk. |
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| Pie-shaped sections that break the tracks into small arcs. |
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| Name 2 types of magnetic disks: |
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Definition
*Floppy disks
*Hard disks. |
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Term
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| Also called a hard disk drive, is a 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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| A duplicate of the original file, program, or disk that you can use in case the original is lost, damaged, or destroyed. |
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| Also called diskette, an inexpensive portable disk media. Most widely used floppy disk is 3.5 inches wide and can typically store up to 1.44 megabytes of data. |
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| A device that can read from and write on a floppy disk. Drives can either be built in to the unit, or external units and connected via a cable. |
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| The time required to retrieve and access the data. |
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