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Computer Ess.

Mr.Lee's comp ess study guide

QuestionAnswer
Define bit the smallest unit of information recognized by a computer
Define Byte A group of bits strung together to form a character.
Central Processing Unit (CPU) The brain of the computer that directs all the operations necessary for a computer to turn data into information
Character A symbol generated on the computer screen by pressing any key
Compact disk/ Read only memory (CD-ROM) Disks that are used to store data
Data Facts or figures that are assembled and processed to produce needed information.
Default A particular setting for a variable that is assigned automatically by the software and remains in effect unless changed by the user
Disk drive The drive in the Central Processing Unit where a disk is inserted
Edit To change the contents of a document
File A document that is stored electronically
Flash Memory Faster than disk storage with up to 16 GB or more data transferring over a universal serial bus (USB)
Floppy disk A storage device made of flexible plastic material on which electronic data can be recorded
Format The arrangement of data for storage or display and the method for achieving such an arrangement
Hard Drive A storage device typically located inside the Central Processing Unit that is enclosed in an airtight case. this is the main storage device of a computer and are the fastest and have the greatest storage capacity.
Hardware Another name for the computer equipment
Input Device Any hardware device which allows the user to enter data into a computer
Keyboard The most common method of inputting data into a computer and processing that data
Modem A communication device that allows a computer to connect to the Internet
Monitor The component of a computer that displays text and images on a screen
Network Two or more computers that are connected together to share resources such as hardware, data, and software
Output Device A device, such as a printer, video display, or speaker, that presents data from a computer to a user
Printer Output device that produces text or graphics on paper
Random Access Memory (RAM) Saves all data while the computer is turned on and automatically erases it when the computer is turned off
Router A network device that connects two or more networks to one another
Save Storing a document or data electronically
Scanner A device that reads an image (as a photograph) or document (page of text) especially for use or storage on a computer
Storage Device A hardware device capable of holding data or information