Grade 4 Quiz 1 Revision

What do we call the step-by-step instructions used to solve a problem?

• Question

• Algorithm

• Solution

Which sentence of the following is true about algorithms?

• Algorithms help to plan and write a program.

• Algorithms always begin with ‘End’ and stop with ‘Start’.

• Algorithms do not have to be accurate.

What do you call writing instructions for a computer or a robot to follow?

• Processing

• Algorithms

• Programming

A mouse is an....

• input device

• output device

What are computer systems made of?

• Hardware

• Software

• Hardware and software

Which of the following statements is correct about computer systems?

• Computer systems make digital devices slow.

• Computer systems work when many elements work together to form a system.

• Computer systems are not used in the devices we use every day.

Which computer element can only keep data while a computer device is on?

• RAM

• CPU

• Hardware

A keyboard is an...

• input device

• output device

Which computer element is used for long term memory?

• Software

• Secondary storage

• Input

Look at the sentences below. Which one is true about the input computer element?

• It displays the information that is processed by the CPU.

• It is connected directly to the CPU.

• It includes hardware and software components.