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Prep for IC3 exam

RAM

Random Access Memory; temporary memory. RAM is expandable, and resides on the motherboard.

Hardware

The tangible, physical computer equipment that can be seen and touched.

ROM

Memory whose contents can be accessed and read but cannot be changed. A memory system, that stores information permanently and is not lost when the computer is shut off.

Motherboard

This is the main circuit board that all of the other internal components connect to

CPU

The brain of the computer

Software

intangible instructions for the computer

Thumbnails

miniature representation of a graphic image

Power Supply

converts AC power from the wall outlet into the lower voltages of DC power required to power all components of the computer

Keyboard

most frequently used input device

Magnetic Storage

a technology for recording data onto disks or tape by magnetizing particles of an oxidebased surface coating.

Drivers

needed for new hardware to communicate with operating system

Boot

starting up the computer

Hertz

CPU, RAM, and video card processor speed is measured in this

bit

the smallest binary unit

byte

eight bits

warranty

a manufacturer's ___ determines what the company will do if you discover a flaw in a product.

surge

when the voltage comes in too high

surge suppressor

this takes care of excess voltage with surges.

uninterruptible power supply

provides a battery backup to your compute if the voltage sags or goes out.

CRT

a computer screen made of glass

Recycle Bin

the home of deleted files

Programmer

the name of someone who writes a new application

Mainframe

a massively powerful computer widely used in the academic, banking, and industrial fields

Windows

this operating system has the largest market share

Linux

this operating system uses an open source model of product development and is free

Refresh Rate

the name of the number of times per second a monitor redraws the image

Restocking Fee

charged when you return a computer

255

Windows allows for files names up to this many characters in length

F8

Pressing this function key will cause the operating system to start in safe mode

Context

right clicking on almost anything in Windows causes a ______ menu to appear.

subfolder

a folder inside another folder

asterisk

the wildcard figure used in a search to represent any number of unknown characters

question mark

the wildcard used to replace a single character in a search

wizard

a set of stpes that walks you through installing a new piece of hardware

applet

a small program for controlling settings in the control panel

check mark

identifies the default printer

EULA

a license that you must read and agree to in order to install most software

Slide Master

Use this if you need the same information repeated on multiple slides

Query

a search method for databases

cell

the intersection of a row and a column on a spreadsheet

workbook

multiple worksheets in a single spreadsheet file

.xls

extension for Excel spreadsheet files

.doc

extension for Word document files

.ppt

extension for PowerPoint document files

Norton

name of popular antivirus program

kilobyte

1024 bytes of storage

F1

universal help key

Ctrl + S

keyboard shortcut for save

Ctrl + X

keyboard shortcut for cut

Ctrl + B

keyboard shortcut for bold

Ctrl + V

keyboard shortcut for paste

optical storage

this type of storage uses lasers to read information stored on shiny disks

ports

devices connect to computers through these

plug and play

the term used to describe what happens when you plug a new device into the computer and the operating system recognizes and installs it.

supercomputer

the most powerful type of computer--used for rendering movie special effects

LAN

type of network used to describe computers that are connected in a single physical location

WAN

type of network used to describe computers that are connected to several different locations in different cities and buildings

Bug

an error in computer programming

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