Security system blocking unauthorized access.

Two or more computers linked to share resources.

Group of 8 bits.

Software used to perform specific tasks for users

Programs that perform maintenance tasks (e.g., antivirus).

Unique address identifying a device on a network

Brain of the computer; processes instructions

Software managing hardware, software, and users

UK law governing how personal data is handled.

Address of a resource on the internet.

Network over a large geographic area

Malicious software designed to harm systems.

Raw facts and figures without context.

Base-2 number system used by computers (0s and 1s).

Processed data that has meaning

Physical parts of a computer system.

Using internet-based servers for data and services

Software that manages hardware and basic operations

Hardware that displays or produces results