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TechApp 02
| Term | Definition |
|---|---|
| input devices | how data such as text, images, or sounds is sent to the processor |
| output devices | how processed data is seen and/or heard |
| Central Processing Unit | CPU: a chip inside the computer that recieves data from input devices and changes it into text, pictures, and sound. |
| Random Access Memory | RAM does not store data while the computer is off. It is memory that can be read and written to. Computers need a lot of RAM to run efficiently. |
| Read-Only Memory | ROM: ROM contains the instructions that start the computer when it is turned on. It’s memory is read only and not written to. |
| storage devices | Permanent forms of storage |
| operating system (OS) | 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 our LISD computers. |
| hard drive | Computer hardware that stores information |
| external hard drive | Portable or mobile device that stores large amounts of information. |