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tech app voc
vocab
| Term | Definition |
|---|---|
| input device | how data such as text images or sounds is sent to the processor |
| output device | how process data is seen and or heard |
| central processing unit | cpu a chip inside the computer that receives data from input devices and changes it into text pictures or sounds |
| random access memory | ram does not save data while the computer is off it is memory that can be read or written to computers need a lot of ram to run efficiently |
| read only memory | rom contains the instructions that start the computer when it is turned on its memory is read only and not written to |
| storage | devices permanent forms of storage |
| operating system | a program required by computers to manage all programs and hardware it tells the computer how to do its work |
| server | a computer that connects a network of computers such as lisd computers |
| hard drive | computer hardware that stores information |
| external hard drive | portable or mobile device that stores large amounts of information |