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C2 Vocabulary 0415
Vobulary terms from chapter 2
| Question | Answer |
|---|---|
| RAM | random Access memory: temporary memory to hold new data, only available when pc is on |
| ROM | Read-only memory: permanent internal memory, not accessible by user |
| cache | temporary storage area |
| bit | smallest unit of binary information |
| Byte | 8 bits |
| megabyte | 1 million keyboard characters of informati0n |
| classroom response system or clicker | handheld device that allows students to respond to questions (like tv remote) |
| pixel | single colored square on a screen |
| dpi dots per inch | unit of resolution for printers |
| peripheral devices | support devices that work wiht the computer system to receive, process and output information |
| ALU | arithmetic logic unit that performs mathematical calculations |
| ASCII | binary coding system that stands for american standard code |
| Terabyte | a trillion keyboard characters of information |
| input devices | devices that allow input of data into computer like keyboards, mice, scanners, pds, clickers |