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Presentation transcript:

200 pt 300 pt 400 pt 500 pt 100 pt 200 pt 300 pt 400 pt 500 pt 100 pt 200pt 300 pt 400 pt 500 pt 100 pt 200 pt 300 pt 400 pt 500 pt 100 pt 200 pt 300 pt 400 pt 500 pt 100 pt Tele- communications Protecting Computers Desktop Computing Networks Searching The Web

Mbps

What is Mega-bits per second

A modem uses standard telephone lines with data transmission up to 640 Kbps

What is DSL

Transmits data through a coaxial cable television network

What is a Cable modem

IDSN

What is Integrated Services Digital Network

Used by many businesses and school for internet access

What are Leased/Dedicated lines

A program that can replicate without the user’s knowledge

What is a virus

Installed on computers to detect malicious code

What is Antivirus programs

A person who accesses a computer system without authorization

What is a cracker/hacker

claiming to be a legitimate business

What is Phishing

Duplication of computer software when copiers are being used by individuals who have not paid for the software

What is Copyright infringement

Physical components of the computer

What is Hardware

Keyboard, mouse, scanner, microphone, and a digital camera

What are Output devices

Circuit boards that connect to the motherboard to add functionality to the computer.

What are Expansion boards

Read only memory

What is RAM

Written by programmers to perform a specific task, such as a word processor

What is Applications software

A network used to connect devices within a small area such as a building or a campus

What is LAN (Local-Area Network)

Used to connect devices over large geographical distances

What is WAN (Wide-Area Network)

Software that allow users and devices to communicate over the network

What is Network operating system

A location on the network with a device capable of processing physical topologies

What is a Node

A computer that is used to manage network functions

What is a Server

A program that searches a database for web pages

What is a Search Engine

A web page that contains the search criteria

What is a Match

A list of sites separated into categories

What is a Subject Tree/Web Directory

Can include single words or phrases that are then used by the engine to determine a match

What is Search Criteria

A list of URLs and websites that have been visited in the previous days and weeks

What is a History List