WJEC ICT - Computer Systems

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

• Execute instructions and perform calculations

• Display images and videos.

• Connect to the internet.

• Store data and files.

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

• To store data and files.

• To display images and videos.

• To provide power to the computer system.

• To provide a platform for component connection and communication.

What is the difference between RAM and ROM?

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

• RAM and ROM are both non-volatile and can only be read from.

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

• RAM and ROM are both volatile and can be written to.

What is an operating system?

• A device that controls the flow of electricity in a computer.

• A program that allows you to browse the internet.

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

• A type of computer hardware that stores data and instructions.

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

• The hard drive is responsible for processing data in a computer system.

• The hard drive is used to connect to the internet in a computer system.

• The hard drive is used to display images and videos on a computer system.

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

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

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

• To process data in the computer system.

• To store data in the computer system.

• To display output from the computer system.

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

• To input information into the computer system.

• To store data in the computer system.

• To display or present information to the user

• To process information in the computer system.

What is the difference between primary and secondary storage?

• Primary storage is more expensive than secondary storage.

• Primary storage is faster than secondary storage.

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

• Primary storage has a larger capacity than secondary storage.

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

• To slow down the computer system.

• To limit data sharing between users.

• To prevent communication between devices.

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

What is the difference between a LAN and a WAN?

• A LAN is a wide network that covers a large area, while a WAN is a local network that covers a small area.

• A LAN and a WAN are the same thing.

• A LAN is used for personal use, while a WAN is used for business purposes.

• 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.