Windows 7 and Internet Terms

52 terms by tgilbert223

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Information Processing Cycle

The way in which a computer process information to make decisions

Four Segments to the Information Processing Cycle

Input
Processing
Ouput
Storage

Input

Involves devices used to get data into the computer so it can be processed

Input Devices

Mouse
Scanner
Touch Pad
Digitizing Pen
Drawing tablet
Touch Screem

Process

This involves the computer to calculate numbers, editing text , modifying pictures and other information management tasks. The brain of the computer, CPU, handles theses tasks .

CPU

Central Processing Unit The brain of the computer where the processing data takes place.

Clock Speed

The rate at which the CPU can process data

Memory Chips

Is the hardware that provides the workspace for the data and instructions the computer is processing

RAM

Randam Access Memory
This is the user workspace because the CPU has quick access to it
Considered Volatile or temporaary becasue it disappears after the computer is shut off

ROM

Read Only Memory
Non Volatile and contains the getting started intsructions that the computer needs when the power is turned on
The user can not make changes to it

Output

Is the processed information that can be used immediately or stored in computer usable form later
Examples are
Monitor
Speakers
Printers

Storage

Refers to recodring the output so that it will be avaiable after the computer / program has been shut down

Storage Devices

Referred to as Drives

Ports

are the sockets that the input/output/storage devices are plugged into

USB

Universal Serial Bus
The most comman peripheral/ port used today

Computer Software

Refers to the operating systema nd applications that allow computers to process the data we put into it

Operating Systems Software

contains the basic instructions for the computer to function
Examples:
Windows 7
Vista
UNIX
MAC OS

Applications Software

Allows the computer to process the information.
Examples:
Word Processing Word 2010
Spreadsheets Excel 2010
Database Access 2010
Presentation PowerPoint 2010
Graphics and Drawing Adobe Illustartor , Microsoft Paint

Networks

Are Created when people want to share something such as Internet connection and printers

LAN

Local Area Network
This type of network is when the computers are physically connected to each via a central hub called a switch

WAN

Wide Area Network
LANS are connected to one other to created a WAn . The pathway is not "owned" by the LAn therefore the data has to go in the "public" to reach its destination such as a leased phone line or the Internet.

Client

Are the computer workstation where the end users run various applications

Servers

are data providers that are often larger and more powerful than the clients

Desktop

The main portion of the screen when Windows is loaded

Mouse

is the device that is controls the pointer your location on teh screen

Point

Position the mouse pointer on a desired item

click

Quickly tap a button usually the left button on the mouse once

Double Click

Tap the left mouse button twice in succession

Drag

Press and hold down the mouse button , move the mouse pointer to a specific location and then release the mouse button

Task Bar

Bar that displays at the bottom of the desktop and contains three areas
Start Button/ Area
Task Button / Area
Notification Area

Window

A defined work Area

File

where a SINGLE document is saved

Folders

Where you store and organize files Often contains MANY files

SHIFT

is used to select ADJACENT files/folders

CTRL

is used to select NON ADJACENT files/folders

Shortcuts

are specialized icons that are very small files that point the operating system to the actual item

Word Pad

Windows Accessory Program used for Word Processing

Paint

A Windows Accessory Program used for drawing. Saves the files as BITMAP which are hard to edit

Power Saving Options STAND BY

Computers switches to low power state causing some devices such as the monitor and hard drives to shut off

Power Saving Options HIBERNATE

Computer saves everything in memory on disks turns off teh monitor and then turns off the computer

ISP

Internet Service Provider
Offers service toits customers

Web Browser

A software program that allows you to view text, images and other content stored on a web page on the internet

URL

Uniform Resource Locator
Method used to identify locations on the Internet
Often referred to as a web address

Understanding URLS

http://server-name.domain
http is the language used to transfer data on the Internet
last part is the domain to which the server belongs to

Domains Examples

.com commercial
.edu education
.gov government
.mil miliraty

Malware

New Term describing computer programs that have malicious intent against your computer

Viruses

Type of malware that is a string of code written by someoine who wants to hurt other by damaging or destorying their computer. Typically spread by email by attaching itsef to another file

Worm

Type of malware that is a self replicating computer program that distributes iteslf via a network. It does not attach itself to another file.

Trojan

A type of malware that masquerades are a useful program

Spyware

A type of malware that tracks your activity as your surf the internet and reports the actvity to companies that want to sell their products or steal your identity

Adware

A type of malware taht looks at files on your computer and then sends you pop-ups advertisements that try to sell you products and services

Phishing

A type of malware that is a method of convicing people to reveal confidental information such as passwords credit card numbers and social security numbers

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