| A | B |
|---|
| Hardware | The physical components of the computer system. |
| CPU | Does the processing in a computer |
| ROM | The permanent MEMORY; This is read only and holds progam instructions (recipe box) |
| RAM | Temporary/Short-term memory, stands for random-accessed memory (mixing bowl) |
| Input Device | Any hardware that passes data INTO the computer |
| Output Device | Any hardware that passes data OUT of the computer |
| Modem | Translates Digital Signals to Analog (sound waves) and Analog to Digital |
| Hard Disk Drive | Main storage medium of the computer |
| Operating System Software | Software that allows hardware to interact with all computer resources/applications |
| Computer Memory | Both ROM and RAM |
| Processor | Does the "computing" in the computer |
| Optical Drive | Uses lasers to read and write to discs |
| Monitor | Output device for viewing output |
| Video Card/Graphics Card | An expansion board that renders words and pictures for the monitor |
| Sound Card | An expansion board that renders sound for the speakers |
| Examples of Operating Systems | Mac OSX, Linux, Windows 8 |
| Essential hardware when buying a computer | CPU, RAM, ROM, Hard Drive |
| NOT essential hardware when buying a computer | Web Cam, Peripheral Speakers |
| Computer Storage is measured in these | Bytes (Gigabytes, Megabytes, etc) |
| Computer | a Programmable Machine with at least these 4 systems/fuctions: input, output, processing, storage |
