KS3 _Computer Systems L1&2 Quiz

Which of the following is computer hardware?

• Monitor

• Scanner

• Keyboard

• All of the above

Which of the following is an input device?

• A computer monitor

• A mouse

• A CD ROM

• A printer

Which of the following is an input device?

• Keyboard

• Monitor

• Headphones

• Printer

Which of the following is an output device?

• A keyboard

• A hard disk

• A CD ROM

• A computer monitor

Which of the following is an output device?

• Keyboard

• Printer

• Mouse

• USB stick

Which of the following is an input device?

• A speed camera

• A speaker

• A flash drive

• An inkjet printer

Which of the following is an output device?

• A laser printer

• A joystick

• A scanner

• A lift button

What is the purpose of the CPU?

• To create data

• To store data

• To process data

What does the control unit do?

• It controls and monitors communications between the computer and any hardware attached

• It holds the data and programs that the CPU currently needs

• It carries out calculations and logic operations

How many instructions can a CPU process at a time?

• One

• Many

• It does not process instructions