Hardware Basics Vocab

By jdhc6813, Jan 2011

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what is a bit?	the smallest unit of binary information (a single binary number: a zero or one)
Examples of __________ include keyboards, mice, scanners, graphic tablests, microphones, digital cameras, etc.	input devices
What handheld device allows students to respond to questions posed by the instructor in class?	classroom response system or "clicker"
What sector of the CPU (central processing unit) performs the mathematical calculations required in many data processign programs?	ALU (arithmetic logic unit)
How is the speed of the processor expressed?	in megahertz (MHz), which equals one million cycles per second and gigahertz (GHz) which equals one billion cycles per second
What are the two current monitor technology options?	CRT (cathode ray tube) or LCD (liquid crystal display)
What is the basic unit of monitor resolution?	pixel (a single colored square on the screen)
What is the brightness of a projector measured in?	lumens
how many bits are in a byte?	8
What type of port has quickly replaced parallel ports and been utilized to provide an easy, universal way to connect an array of deviced and provide faster transfer of information to devices?	Universal Serial Bus (USB)

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