ICT Chapter 3 Quiz

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

• The purpose of a firewall in a computer network is to enhance security by filtering network traffic.

• Firewalls are used to increase network speed

• Firewalls are designed to monitor hardware performance

• Firewalls are primarily used for data storage

Explain the difference between RAM and ROM.

• RAM is non-volatile and used for permanent storage, while ROM is volatile and used for temporary storage.

• RAM is volatile and used for temporary storage, while ROM is non-volatile and used for permanent storage of firmware and boot-up instructions.

• RAM is used for graphics processing, while ROM is used for audio processing.

• RAM and ROM are interchangeable terms with no actual difference.

What is the role of an operating system in a computer?

• Decides what software to install

• Manages computer resources, provides a user interface, enables communication between software and hardware.

• Makes coffee for the user

• Plays music in the background

Describe the function of a router in a network.

• A router forwards data packets between computer networks.

• A router plays music files in a network.

• A router sends emails between computer networks.

• A router translates data packets into images.

What are the main components of a CPU?

• kernel, RAM, hard drive, GPU

• memory unit, input/output unit, clock speed, motherboard

• ALU, ROM, PSU, Ethernet port

• control unit, arithmetic logic unit, registers, cache memory, buses