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Definition
| Portable storage that consists of a flat, round, portable disc made of metal, plastic, and lacquer that is written and read by laser. They are used in personal computers are 4.75 inches in diameter and less than 1/20 of an inch thick. Many different formats of optical disks exist today. |
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Definition
| CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD+R, DVD+RW and DVD+RAM. |
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Term
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Definition
| (compact disk read only memory) is a type of optical disk that users can read but not write on or erase. To read a CD-ROM, insert the disc into a CD-ROM drive. |
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Term
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Definition
| (compact disc recordable) is and optical disc into which you can record your own items such as text, graphics, and audio. With CD-R you can write in part of the disc at one time and another part at a later time. |
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Term
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Definition
| (compact disc rewriteable) is an erasable disc you can write on multiple times. |
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Term
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Definition
| (compact disk read only memory) is a type of optical disk that users can read but not write on or erase. To read a CD-ROM, insert the disc into a CD-ROM drive. |
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Definition
| are competing DVD recordable formats, each with up to 4.7 GB storage capacity. Both allow users to write on the disc once and read it many times. |
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Definition
| two newer, more expensive DVD’s with more storage capacity than the standard. |
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Definition
| a magnetically coated ribbon of plastic housed in a tape cartridge capable of storing large amounts of data and information at a low cost. Tape is usually used for long-term storage and backup. |
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Term
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Definition
| used to read from and write on a tape. |
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Term
| Miniature Mobile Storage Media |
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Definition
| are rewriteable media usually in the form of a flash memory card, USB flash drive, or a smart card. This allows mobile users to transport digital images, music, or documents easily to and from computers and other devices. |
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Term
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Definition
| a solid-state media, which means they consist entirely of electronics(chips, wires, etc.) and contain no moving parts. |
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Term
| Common Types of Flash Memory |
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Definition
| Compact Flash(CF), Secure Digital(SD), xD Picture Card, and Memory Stick. |
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Term
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Definition
| sometimes called a pen drive or thumb drive, is a flash memory storage device that plugs into a USB port on a computer or mobile device. These are the most popular choice among users today. |
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Definition
| which is similar in size to a credit card or ATM card, stored data on a thin microprocessor embedded in the card. |
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Definition
| a hardware component that enables a computer to send and receive data, instructions, and information to and from one or more computers. A widely used communications device is the telephone. |
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Definition
| where communications occur over, such as telephone lines, cables, cellular radio networks, and satellites. Some transmission media such as satellites and cellular radio networks are wireless. |
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Term
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Definition
| means there are no physical lines or wires. |
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Term
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Definition
| consists of programs to control the operations of computer equipment. An important part of the system software is a set of programs called the operating system. |
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Term
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Definition
| tells the computer how to perform the functions of loading, storing, and executing an application program and how to transfer data. |
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