Computer Literacy BASICS: Lesson 3 And 4 Vocabulary

Computer Literacy BASICS: Lesson 3 And 4 Vocabulary Computer Literacy BASIC: Lesson 3 And 4 Vocabulary
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Backup
 
Saving files to a removable disk or other independent storage device that can be used to restore data if the primary system becomes inaccessible
Data Theft
 
Confidential and private information stored on computers being stolen by thieves and hackers
Driver
 
A small program that instructs the operating system on how to operate specific hardware
Encryption
 
Secure process for keeping confidential information private
Humidity
 
Environmental condition that can affect the performance of computer systems
Ping
 
DOS command to test connectivity and isolate hardware problems and any mismatched configurations
Power Spikes
 
Short, fast transfers of electrical voltage, current, or energy
Surge Suppressor
 
Plug into electric outlets to protect computers against power spikes
Uninterruptible Power Supply (UPS)
 
Device that provides power to computers if the normal current is interrupted
Cable Management
 
Organizing and protecting computer system cables
Corona Wires
 
Laser printer wires used to generate a field of positive charges on the surface of the drum and the paper
Cookie
 
Small text file that a Web site uses to identify a specific computer
Defragmentation
 
A process that reduces the amount of fragmentation on a disk by physically organizing the contents of the disk so the pieces of each file are stored contiguously
Fragmentation
 
Occurs when a piece of data is broken up into many pieces that are not stored close together
Ergonomic Keyboard
 
Keyboard that allows for a more natural positioning of arms and hands
Maintenance
 
Performing tasks on a regular schedule to manage and prevent equipment problems
Recycle Bin
 
Holding area for files and folders before their final deletion from a storage device
Sectors
 
locations on a hard disk where data files are written
Seek Time
 
How long it takes the computer to scan for a file; affects speed of processing cycle and computer performance
Touchpad
 
A pointing device that can be used instead of a mouse; most often on notebook computers.
Wireless Keyboard
 
Keyboard that reduces the clutter of wires and cables, and improves mobility
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