WJEC ICT - Computer Systems

Front

What is the primary function of the CPU in a computer system?

Back

Execute instructions and perform calculations

Front

What is the purpose of the motherboard in a computer system?

Back

To provide a platform for component connection and communication.

Front

What is the difference between RAM and ROM?

Back

RAM is volatile and can be written to, while ROM is non-volatile and can only be read from.

Front

What is an operating system?

Back

A software that manages computer hardware and software resources and provides common services for computer programs.

Front

What is the role of the hard drive in a computer system?

Back

The role of the hard drive is to store and retrieve data in a computer system.

Front

What is the purpose of an input device in a computer system?

Back

To allow users to input data or commands into the computer.

Front

What is the purpose of an output device in a computer system?

Back

To display or present information to the user

Front

What is the difference between primary and secondary storage?

Back

Primary storage is used for active data processing, while secondary storage is used for long-term data storage.

Front

What is the purpose of a network in a computer system?

Back

To enable communication and data sharing between multiple devices and users.

Front

What is the difference between a LAN and a WAN?

Back

A LAN is a local network that covers a small area, while a WAN is a wide network that covers a large area and connects multiple LANs.