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tech app voc 2
basic computer
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 receives data from input devices and changes it into text, pictures, or 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 systems (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. |