Vocabulary 4

[C] a special window on a screen allowing the user to communicate with the computer by entering information or setting options

[C] any number from 0 to 9

using a series of the digits one and zero to receive and send information by means of an electronic signal that is either on or off

to convert analogue information into a digital form that can be read and processed by a computer

[C] a virtual container used to organize other directories and files in a hierarchical structure

to turn off an optional software item, making it non-functional

[C] a part of the Internet that is owned by an organization or person, where they can upload files or access email

(of a computer or computer system) not working and not ready for use

- to transfer data from a server to your computer- [C] the data transferred from a server to your computer

[C] a hardware device that reads and writes information on disks, CDs or tapes

[C] software that allows an operating system to communicate with a hardware or peripheral device

related to something that is done on or involves the Internet

to insert an object into a file or an Internet page in such a way that it is no longer linked to the source document

[U] the ability of one computer to work in the same way as another computer; e.g. an Apple computer acting like a PC

to turn on an optional software item to make it functional

to put data in a secret code so that only someone with the right key can read it

[U] the act of putting data in a secret code so it is unreadable except by authorized users

a program or service on the Internet that allows users to search for files and information

[U] a system to manage all the information and functions of a business or company from shared data stores

[C] a message that communicates to the user that the computer cannot carry out an instruction, or there is some other problem

to make a program or command happen or work

relating to a compressed file that can be returned to its original size

[C] a computer system that is programmed to imitate the problem-solving procedures that a human expert makes

[C] a specified area, within a database record, used for a particular category or item, for example, Name, City, Zip Code

using traditional copper telephone lines with analogue signals to connect a computer to a network