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WorksheetsReview grade 4
Total questions: 14
Worksheet time: 1hrs 10mins
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
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?
its displays the information that is processed by the CPU.
It is connected directly to the CPU.
It includes hardware and software components.
Which type of software do you use to perform tasks on a computer?
Application software
System software
Operating software
Look at the different types of software below. Which one is an operating software?
Look at the computer system model. Which computer element is missing?
Software
CPU
Hardware
What do you do when a computer game freezes?
Switch to another game.
Wait until it works again
Restart the computer.
What do you do if the buttons on your game controller are not working?
Try another controller.
Close all the files.
Run a virus scanner.
You cannot open any files on your computer. What is the problem ?
Connectivity problem
Hardware problem
Software problem
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
