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unit a
understanding essential computer concepts
| Term | Definition |
|---|---|
| Notebook | a type of subnotebook computer that is primarily designed to allow users to acces internet and check email |
| commands | input instrustions that tell the computer how to procces data |
| byte | series of eight bites |
| ram | a temporarily holds data and programs while the computer is on |
| hard disk | magnetic storage media that is usually sealed in a case inside of computer |
| expansion slot | a slot on the motherboard into wich a controller card for a peripheral device in snerted |
| 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 user internet usage without the users permission |
| operating system | software that allocate resources ,mange storage space,miantains sercrity and controls i/o |
| database | a collection of information stored on one or more computer organized in a uniform format of records and fields |