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C2 Vocabulary 0303

QuestionAnswer
Bit The smallest possible unit of binary information that can be entered or stored in a computer
Peripheral Devices Pieces of hardware that can be used for ease of input, converting output to an easily readable format, and extra storage.
CPU Stands for Central Processing Unit. The "brain" of the computer. 3 parts: the control unit, the arithmetic logic unit, and the memory unit.
RAM Random Access Memory: "short term" memory of the computer. Easily accessable, and resets when computer is shut down.
ROM Read-Only Memory: Data installed by the manufacturer. Inaccessable by the user. Instructs the computer on automatic operations like booting up.
Input Devices Hardware that allows data to be entered into the computer. ex: keyboard, mouse, digital camera, scanner, video or audio recorder, webcam.
Output Devices Converts data into a format that is useful to the user. ex: monitor, printer, speakers, etc.
USB Universal Serial Bus port. A port that is accessable to many input and output devices and provides for quick transmission of data.
Storage Devices Hardware that can keep data for long periods of time. Can be internal or external. ex: hard drive, zip drive, flash drive, SD card, etc.
Ethernet Port Port that allows for high speed transfer of data to and from the internet or a smaller network.
Port Connection point in a computer that allows for exchange of data between the computer and devices or a network.
Touch Screen Hardware that serves the function of monitor as well as input device. User touches the screen in indicated areas to input data and make selections.
Processor Speed Indicator of the speed at which data is transfered in and out of memory.
Gigabyte A unit of measurement of binary information. Represents 10^9 or 1,000,000,000 bytes.
Computer System Includes the CPU and all peripheral devices. Receives, processes, and outputs information.
Created by: chadda78