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Analog signals: Waves that can travel along telephone wires. An analog signal is continuous.

Bits per second (bps): The unit used to measure how fast data is transferred between two computers.

Browser: The software that finds and displays webpages.

Cyberspace: The imaginary space that you travel around when you use the Internet.

Digital signals: Electrical pulses produced by a computer. A digital signal is discrete.

Desk Top Publishing (DTP): A system of producing publications on a computer using special software.

Dots per inch (dpi): Measurement of picture clarity for pictures scanned into computers.

Download: Copy files, such as web pages or programs from the web to your computer.

E-mail: This is electronic mail. This is a method of sending messages between computers in a network.

E-pal: A friend to whom one e-mails on a regular basis. E-pals usually share the same interests and hobbies.

Fax: A fax is a method of sending images (text or pictures) by a telecommunications link. Most fax transmissions are via the normal telephone line. The document is scanned optically, line by line. It is broken into a pattern of dots, which are transmitted electrically. The receiving device reconstructs the image from this digital form and prints it on paper.

Fax cover: Most organisations and many individuals have their own personalised stationary for the purposes of sending a fax. This form is known as a fax transmittal form or a fax cover.

Hardware: Any part of a computer system that you can see or touch.

Internet (or the Net): The worldwide computer network, which is made up of smaller networks.

Internet Service Provider (ISP): A specialist company that connects your computer to a server in order to connect to the internet. An ISP works as a necessary middleman.

Keyboard: A piece of hardware connected to a computer and used to enter information and instructions.

Logo: A printed symbol used as an emblem.

Log off: Disconnect from the internet

Log on: Connect to the internet

Microsoft Publisher: A Desktop Publishing software package produced by Microsoft.

Modem: A piece of hardware that links your computer to other computers and information services through telephone lines.

Network: A group of computers connected together to share information and/or hardware.

Off-line: Not connected to the Net.

Online: Connected to the Net.

Password: A secret word that you have to key in before you can access certain websites.

Program: A set of instructions given to a computer that tells it how to do a particular job.

Scan: Copy an image from paper into a computer.

Scanner: A piece of hardware that can convert an image from paper into a computer.

Software: A set of electronic instructions that tell a computer what to do.

Username: The name that you are using to access certain data. Your username can be your real name or a different name of your choosing.



The Usborne Computer Dictionary for Beginners by Anna Claybourne (1995) Usborne Publishing, London. ISBN 0 7460 1986 6

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