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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 |