Computer Systems

Which of the following is / are (an) output devices?

• 
• 
• 
• 
• 

When you save a file, it is permanently saved on the:

• CPU

• RAM

• ROM

• USB memory stick

• WiFi adapter

Which device is often referred to as the “brain” of the computer?

• ROM

• RAM

• HDD

• GPU

• CPU

What is the main function of the motherboard in a computer?

• storing data and applications

• running software programs

• connecting and communicating different devices

• providing internet connectivity

• providing power supply to computers

What is the purpose of the Power Supply Unit (PSU) in a computer?

• providing internet connectivity

• generating graphics for video games

• supplying power to all the devices in the computer

• storing data and applications

• displaying images

What is the function of the CPU in a computer?

• storing data and applications

• running software programs

• connecting and communicating different devices

• providing internet connectivity

• providing power supply to computers

Which device in a computer is responsible for temporary data storage?

• ROM

• RAM

• HDD

• GPU

• CPU

Lucy is using a smartphone. It has a touchscreen. Lucy touches on an app. What kind(s) of device the touchscreen is / are?

• input

• process

• output

• storage

• network

Mary wants to have a video chat with her friend on her desktop computer. Which of the following input devices does she need?

(1) headphones

(2) keyboard

(3) monitor

(4) microphone

(5) web camera

• (1), (2) and (3)

• (1), (3) and (4)

• (2), (3) and (4)

• (2), (4) and (5)

• (3), (4) and (5)

The go-playing computer 'AlphaGo' is an example of _____.

• personal computers

• supercomputers

• mainframe computers

• workstations