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10 Cards in this Set
- Front
- Back
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How many bits make a byte and how many letters does each byte represent?
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There are 8 bits per byte and each byte can represent one letter.
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How many cycles per second is a megahertz? A gigahertz?
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A megahertz is one million cycles per second. A gigahertz is a billion cycles per second.
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What is a cache?
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It is a temporary storage area that provides quick access to information.
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What is a tablet computer?
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It is a complete computer system in a slate format.
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What does PDA stand for in computer terms?
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Personal Digital Assistant
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What are the two types of technology used in monitor displays?
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CRT (Cathode Ray Tube) and LCD (Liquid Crystal Display)
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How do you measure resolution in printers? Is quality best when you have higher or lower of this unit?
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Resolution is measured in DPI (dots per inch) in printing terms. The higher the DPI the more dots there are per inch and the higher the quality and sharper the image.
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How do you measure resolution in monitors?
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A monitor's resolution is measured in pixels. Pixels are single colored squares on the screen. The measure of a computer monitor's resolution is presented as 600x800 or 1366x768 for example.
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What are USB ports?
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USB stands for Universal Serial Bus. The ports are located on the computer and they provide a way to connect many different technologies to the computer without requiring many different ports to be available.
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What is an external hard drive?
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An external hard drive can be used in addition to the computer's built in storage area in order to allow your computer access to more files than might fit on its built in storage. The also allow transfer of files from one computer to another and provide back-up in case your computer fails.
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