IGCSE CS Computers Quiz

What are the main components of a computer system?

• Operating system, software, hardware, firmware

• RAM, ROM, CPU, GPU

• Keyboard, mouse, monitor, printer

• CPU, memory, storage devices, input devices, output devices, and motherboard

Explain the difference between RAM and ROM.

• RAM is non-volatile, ROM is volatile

• RAM and ROM are the same thing

• RAM is used for long-term storage, ROM is used for temporary storage

• RAM is volatile, ROM is non-volatile

What is the purpose of a router in a network?

• To provide lighting for the network

• To cook food for the network users

• To play music in the network

• To connect different networks and route data packets between them.

How does the internet work?

• The internet works by using telepathy to transmit information between devices

• The internet works by connecting devices through a global network of servers and routers, allowing them to communicate and share information using protocols such as TCP/IP.

• The internet works by magic

• The internet works by sending physical mail between devices

What is the function of the CPU in a computer?

• Stores data and files

• Executes instructions and performs calculations

• Displays images and videos

• Manages internet connection

Describe the difference between a desktop and a laptop computer.

• A desktop is more expensive than a laptop.

• A desktop has a touch screen, while a laptop does not.

• A desktop is stationary, while a laptop is portable.

• A desktop is smaller than a laptop.

What is the Von Neumann architecture?

• An architecture based on the concept of quantum computers

• A computer architecture based on the concept of stored-program computers

• A type of computer made by Von Neumann company

• A design for building physical structures

Explain the concept of input and output devices in a computer system.

• Input devices provide data and control signals, while output devices receive data and information.

• Input devices process data, while output devices store data

• Input devices provide power to the computer, while output devices receive data

• Input devices receive data and information, while output devices provide control signals