Computer Quiz for Grade 8

What is the main job of the Central Processing Unit (CPU) in a computer?

• To display images on the screen.

• To process instructions and manage all tasks.

• To store your files permanently.

• To connect to the internet.

You are writing an essay, but you haven't saved it yet. If the power suddenly goes out, what will happen to your work?

• It will be automatically saved to the hard drive.

• It will be safe in the ROM.

• It will be lost because it was in RAM, which is volatile.

• It will be sent to the printer automatically.

Which of the following is an example of an output device?

• Keyboard

• Mouse

• Monitor

• Microphone

What essential instructions are stored in the Read-Only Memory (ROM)?

• The instructions for your favorite game.

• The instructions needed for the computer to boot up (start).

• The essay you are currently writing.

• The history of websites you have visited.

What is the main difference between memory (like RAM) and storage (like a hard drive)?

• Memory is for long-term storage, while storage is temporary.

• Memory is temporary for active tasks, while storage is for permanent file saving.

• Memory processes instructions, while storage displays them.

• There is no difference; they are the same thing.

When we say that RAM is 'volatile,' what does that mean?

• It means the data is saved forever.

• It means the data is lost when the computer is turned off.

• It means the memory can be accessed very quickly.

• It means the memory is read-only.

What are the two main types of primary memory found in a computer?

• CPU and Hard Drive

• RAM and ROM

• Keyboard and Mouse

• Monitor and Printer

Why is it helpful to think of ROM as the computer's 'instruction manual'?

• Because you can write your own notes in it.

• Because it stores temporary data you are working with.

• Because it contains the permanent instructions the computer needs to start up.

• Because it is very large and can hold many books.

Which device is primarily used as a pointing tool for navigating on your computer screen?

• The Keyboard

• The Printer

• The Monitor

• The Mouse

A computer's CPU is often called its 'brain.' Why is this a good comparison?

• Because it looks like a brain.

• Because it gets tired after working for a long time.

• Because it processes all the instructions and does the thinking for the computer.

• Because it stores all the computer's memories.