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52 terms

Windows 7 and Internet Terms

STUDY
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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