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Unit 2

Keyterms an Definitions

personal computer (PC) A computer used by one person at a time. Examples are desktops, laptops, & MP3 players also called microcomputers.
central processing unit (CPU) A microprocessor, or tiny computer chip, that receives and carries out all the instructions given to a computer. Known as the "brain" of a computer.
bit The smallest unit of computerized data always either a 1 or a 0.
byte Equal to 8 bits. The building block for all information that flows through a computer.
hardware The collection of physical pieces, or components, that make up a computer.
input Information that is entered into a computer.
output Information that a computer produces and delivers back to the user.
read-only memory (ROM) Memory that permanently stores data and that cannot be erased or changed. Holds your computer's start up instructions.
random-access memory (RAM) Temporary memory that a computer uses to store data and process information while working in a program. It is erased when the computer is turned off.
storage device Computer equipment used to store data. Examples of storage devices are hard drive, network server, floppy disk, CD, DVD, and USB flash drive.
software A set of instructions, also called a program or application, that tells a computer how to perform tasks. Types of software include Web browsers, email, word processing, presentation, & spreadsheet.
operating system (OS) Software that controls all the other software programs and allows your hardware devices to work properly. Types include Microsoft Windows, Mac, Linux, & handheld systems used in MP3s & cell phones.
network A group of computers connected together, often through a central server, using telephone lines, cables, satellite links, radio, and/or other communication devices.
computer An electronic device that processes data.
keyword is a word or words that is keyed into a search that matches the topic you are looking for.
Content search information from a list of categories and topics.
Keyword search Key one or more keywords.
drive the largest store area.
file is a collective of data.
folder a place to save and organize files.
shortcut is an icon that is a direct link to a file or folder.
save as duplicate,copy, or save a file
Created by: evilwolf3