ICT Year 9 - Summer Revision

Broadband

A transmission facility which has sufficient bandwidth to simultaneously carry multiple voice, video or data channels. It facilitates a much faster transmission rate when compared to traditional dial-up modems.

Email Spam

This the electronic version of junk mail. It involves sending unwanted messages, often unsolicited advertising, to a large number of recipients.

Virus

A malicious program that spreads by inserting copies of itself into other programs/documents.

Microprocessor

An integrated circuit that contains all the functions of a central processing unit of a computer.

Malware

A category of destructive code that includes viruses, worms, and Trojan horses.

Computer Misuse Act

A law which is designed to prevent people from using computers for illegal purposes.

RAM

An acronym for random access memory, a type of computer memory that can be accessed randomly. most common type of memory found in computers and other devices, such as printers. It is volatile and all content is lost when the power is switched off on your

Phishing

Essentially an online con game and phishers are nothing more than tech-savvy con artists and identify thieves.

Hacker

Someone who tries to access your machine to steal data or use it illegally (e.g. to make an attack on a major site).

WAN

Wide area network computers linked together using cables and wireless or satellite technology over a large geographical area.

App

A mobile application is a software application designed to run on smartphones, tablet computers and other mobile devices. can utilise multimedia facilities found on smartphones.

Bandwidth

A measurement, usually in megabits per second or kilobytes per second, which states the rate at which data travels along communication line. The higher the bandwidth, the faster data will travel along the line.

Applications software

Programs that allow a user to complete a task. For example, word processors, spreadsheets and desktop publishing packages.

Data network

This consists of a group of computers which are linked together

CBT

Education and classes created using computers to help teach the course.

Internet

A network of computer networks linked together using a variety of communications technologies such as cables, satellites, wireless and the telephone system. The Internet is the biggest one of these.

Streaming Video

Videos seen by the viewer in real time as the creator records it.

Router

A device which will translate information from the Internet so that computers on a LAN can understand it.

WAP

A standard used for communicating over wireless networks.

LAN

A type of network used in places like schools and offices. It is spread over a small geographic area such as one or two buildings.

HTML

Language-used to create web pages.

Electronic interactive whiteboard

A large touch sensitive board (for example, 2m x 1.5 m) connected to a digital projector and a computer.

Virus

A program which has been designed to damage a computer system. It can be spread from one computer to another through zip drives or data pens for example. They can also be sent by email.

Spam

Junk mail, often advertising something.

Online

When two devices are connected to receive or transmit information they are described as being online. This could be a computer and a printer. The term is normally associated with the Internet.

Presentation software

An applications program that can be used to create a series of slides (slide show) containing a combination of words, pictures, animation, video and sounds that can assist in telling a story

Edutainment

Learning while having fun with a combination name of education and entertainment.

4G

A high speed way of connecting your mobile phone or laptop to the Internet wirelessly (uses broadband).

Router

A device which connects two or more networks together. It is also used to link a LAN to the Internet.

Spyware

A kind of virus that reports what you do and information about you.

Worm

A malicious program that can copy itself to other computers/networks. Can be spread through email.

Hacker

A person who attempts to gain unauthorised access to a computer system simply to demonstrate that they are clever enough to do so.

Network interface card

Each computer must have one so that it can communicate with the file server and all other computers on the network.

File server

The main computer on the network and it is often the place where all users store their files. It manages communication across the network and ensures that only authorised users login

WAP

Wireless application protocol - a standard used for communicating over wireless networks. Some mobile phones have this enabled and can access the Internet.

Interactive Multimedia

Allows users to actively participate instead of just sitting by as passive recipients of information

Trojan Horse

A malicious program disguised as useful software (e.g. a game, applications).

Master slide

A slide which is used to include features which will appear on every slide. This slide is created only once and can be applied to all of the slides in the presentation.

Internet

A network of networks connecting to millions of computers around the world.

Modem

A device which allows a computer or handheld device to connect to the Internet.

Network cable

These are plugged into a computer and provides a physical connection to link the computers to the network.

Network software

A program which allows a computer to connect to a network. This allows it to communicate with the file server and other computers.

Firewall

Blocks unauthorised transfers to/from the Internet.

Switch

A connection point for a group of computers. it is connected to the file server and organises communication between the file server and the computers connected to it.

Spamming

Receiving unwanted emails.

PSTN

Uses telephone system to allow access to WANs and the Internet

Master Slide

A slide used to include features which appear on every slide

Hardware

A general term for all of the physical parts of a computer such as the monitor, mouse and keyboard.

Search engine

A program that searches (Internet) documents for specified keywords and returns a list of those documents (referenced by a hyperlink) where the keywords were found.

Multimedia

Information which is conveyed using more than one method.

Streaming Video

Content sent in compressed form over the Internet and displayed by the viewer in real time.

Creative Industries

These businesses/people use multimedia for a variety of purposes ranging from fine art to entertainment.

Simulation

This is run on a single computer to reproduce a real life situation.

DVD

This offers high storage capacity than CDs while having the same dimensions.

Megabyte

A unit of information equal to approximately 1 million bytes.

Model

A presentation of a system or process created on a computer to assist calculation or predictions eg. weather forecasting.

Smart Phone

A high end mobile phone which allows you to make calls, surf the Internet, get texts, use GPS locations, use apps etc.

Digital Projector.

A device which convert image data from a computer or video on to a wall / screen / interactive whiteboard.

Hard Copy

A permanent copy of information usually in the form of a printout.

Soft Copy

This is a non permanent copy of text or graphical information displayed on a monitor/computer screen.

Antivirus

A piece of software designed to detect and clean virus' from your computer.