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Unit A
Understanding Essential Computer Concepts
| Term | Definition |
|---|---|
| netbook | a type of subnotebook computer that is primarily designed to allow users to access the Internet and check e-mail |
| commands | input instructions that tell the computer how to process data |
| byte | series of eight bits |
| RAM | temporarily holds data and programs while the computer is on |
| hard disk | magnetic storage media that is usually sealed in a case inside the computer |
| expansion | a slot on the motherboard into which a controller card for a peripheral device is inserted |
| server | a computer on a network that acts as the central storage location for programs and data used on the network |
| spyware | a program that tracks the user`s Internet usage without the user`s permission |
| operating system | software that allocates resources,manages storage space,maintains security,and controls I/O |
| database | a collection of information stored on one or more computers organized in a uniform format of records and fields |