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C2 Vocabulary 0318

Vocabulary from Chapter 2

QuestionAnswer
Pixel A single colored square on the screen. Images can be viewed when pixels are joined
Lumens How the brightness of a projector is measured.
Megahertz How the processor speed is measured. One million cycles per second.
RAM Temporary memory that is designed to hold new data and is available only while the computer is turned on.
ROM Permanent internal memory inside the system, is inaccessible by the user, and is used to store the instructions that are installed or programmed by the manufacturer.
Parallel port Developed by IBM and are used to connect a computer to a printer.
Sound card Allows the input of sound into the computer. Is connected to ports on the computer.
Resolution Defines the clarity of the image that is seen on the computer screen.
Terabyte Equal to 1,024 gigabytes or approximately a trillion keyboard characters of information.
Cache Provides a temporary storage area that provides a quick access to information.
Transparency Thin sheets of transparent plastic, for use with overhead projectors.
Hard copy The readable data a printer outputs.
Hard disk drive Holds large amounts of information on circular disks called platters
Bit A binary character, is the smallest unit of binary information
Port Opening in a computer which allows devices to connect to and communicate with the computer
Created by: pdwiseman