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Hardware Basics 601
Vocab. from Teaching Tech. ch. 2
Question | Answer |
---|---|
RAM | Random Access Memory |
CPU | central processing unit |
ALU | arithmetic logic unit |
ROM | Read Only Memory |
binary coding system | made of ones and zeros, units are called bits |
megahertz | one million cycles per second (processing speed) |
gigahertz | one billion cycles per second (processing speed) |
OCR | Optical Character Recognition software |
CRT | cathode ray tube (type of tv or computer monitor) |
LCD | liquid crystal display (type of tv or computer monitor |
dpi | dots per inch, a measure of resolution for printers |
data projection unit | fancy name for projector |
document camera | an Elmo! |
AT (assistive technology) | devices or software for special needs students |
PAC Mate | a computer system for designed for the blind or visually impaired |