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Tech Apps Vocab - 2

Tech Apps Vocabulary - Part 2 (words 16-30)

TermDefinition
File Extension the suffix at the end of a file name that indicates what type of file it is.
Firewall technology that prevents users from visiting inappropriate web sites, and protects the network from unauthorized users.
Hard Drive The main storage area inside a computer used for storing programs and information. It is hard because it is metal.
Memory A place to temporarily store information being used by the computer. Contents are lost when the computer is powered off. (RAM)
Multimedia any presentation or program that combines two or more types of media, such as graphics, sound, video, animation, and/or text.
Taskbar The bar that is normally along the bottom of the screen containing all active windows, your start button, and clock.
URL address of a website on the internet (“Uniform Resource Locator”).
USB An external connector between a computer and other devices (Universal Serial Bus).
Virus A small, unauthorized program that can damage a computer.
Bit an electronic signal which is either on (1) or off (0). It is the smallest unit of information the computer uses.
Byte a group of 8 bits strung together that means something to the computer.
Kilobyte a unit of measure equal to 1,024 bytes, about a thousand bytes.
Megabyte a unit of measure equal to 1, 048, 576 bytes, about a million bytes.
Gigabyte a unit of measure equal to 1,073,741,824 bytes, about a billion bytes.
Terabyte a unit of measure equal to 1,099,511,627,776 bytes, about a trillion bytes.
Created by: jwhorton
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