Computer Lit
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Created by:
slambert0022 on October 10, 2011
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15 terms
Terms | Definitions |
|---|---|
 Tape | is a magnetically coated ribbon of plastic housed in a tape cartridge capable of storing large amounts of data and information at a low cost. A tape drive is used to read from and write to a tape. Tape is primarily used for long-term storage and backup. |
| Miniature Storage Media | is rewritable media usually in the form of a flash memory card. Flash memory cards are solid-state devices which means they consist entirely of electronics (chips, wires, etc.) The miniature storage media is used primarily in PDA's digital cameras, music players, and smart phones to store digital images, music, or documents. |
| Communication Devices | is a hardware component that enables a computer to send (transmit) and receive data, instructions, and information to and from one or more computers. |
| Transmission Media | communications occur over transmission media, such as cables, telephone lines, cellular radio networks, and satellites. Satellites and cellular radio networks are wireless |
| System Software | consists of programs to control the operations of computer equipment. |
| Operating System | instructions that tell the computer how to perform the functions of loading, storing, and executing an application program and how to transfer data. example: Windows NT or Windows 3000. |
| Booting | when a computer is turned on, the operating system is loaded into the computer's memory from auxiliary storage. This processing is called booting. |
| Graphical User Interface (GUI) | an operating system that provides visual cues such as icon symbols to help the user. Each icon represents an application such as word processing, or a file or document where data is stored. Examples: Microsoft Windows and Apple Macintosh. |
| Application Software | consists of programs that tell a computer how to produce information. |
| Word Processing Software | is used to create, edit, format, and print documents. example: Word |
| Electronic Spreadsheet Software | allows the user to add, subtract, and perform user-defined calculations on rows and columns of numbers. |
| Database Software | allows the user to enter, retrieve, and update data in an organized and efficient manner. These software packages have flexible inquiry and reporting capabilities that let the users access the data in different ways and create custom reports that include some or all of the information in the database. example: Access |
| Presentation Graphics Software | allows the user to create documents called slides to be used in making presentations. |
| Network | is a collection of computers and devices connected via communications media and devices such as cables, telephone lines, modems, or other means. Computers are networked together so users can share resources, data, and information. |
| Local Area Network (LAN) | is a network that connects computers in a limited geographical area, such as a school computer laboratory, office, or group of buildings |
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