Parts of the Computer and Their FunctionsVersion en ligne
Be a Hardware Detective!
Instructions: Read each question carefully. Choose the best answer, then read the feedback for your choice even if it’s wrong. Think like a tech expert!
1
Which part of the computer lets you see what you are doing?
a
Keyboard
b
CPU
c
Monitor
d
Speaker
2
What part lets you type letters and numbers into the computer?
a
Speaker
b
Mouse
c
Monitor
d
Keyboard
3
What is the main job of the mouse?
a
To move and click on items on the screen
b
To display the screen
c
To make sound
d
To store files
4
The CPU is the ‘brain’ of the computer. What does it do?
a
It shows what’s on screen
b
It plays sounds
c
It processes information and makes the computer work
d
It types letters
5
Which pair works together to help you hear and see a video?
a
Monitor and Keyboard
b
CPU and Mouse
c
Monitor and Speaker
d
Mouse and Keyboard
6
Liza moved the mouse, but nothing happened on screen. What could be the problem?
a
The CPU is turned off
b
The mouse might be unplugged or not working
c
The monitor is broken
d
The keyboard is typing wrong
7
Your friend says the monitor is a part of the CPU. What do you say?
a
“Yes, they’re the same.”
b
“No, the monitor is a separate part that shows what the CPU is doing.”
c
“The monitor only works if the keyboard is used.”
d
“The monitor is only used for games.”
8
Miguel can type, but he can’t hear anything. What should he check?
a
The monitor is broken
b
The CPU is turned off
c
The speakers or volume settings
d
The mouse is unplugged
9
You are asked to design a story in a presentation. Which three parts will help you type, move things, and see your work?
a
CPU, Mouse, Speaker
b
Monitor, Keyboard, Mouse
c
Keyboard, Speaker, CPU
d
Monitor, CPU, Speaker
10
A classmate says the CPU isn't important because we don’t touch it. How do you respond?
a
“True. It’s just inside the computer and doesn’t matter.”
b
“No, it’s the brain that makes everything work, even if we don’t touch it.”
c
“The CPU is the same as the mouse.”
d
“We only need the keyboard to type, not the CPU.”
Feedback
1
Correct Answer: C. Monitor
•A. Keyboard – ❌ Used to type, not to see.
•B. CPU – ❌ Thinks and processes, but doesn’t show anything.
•C. Monitor – ✅ Yes! It displays everything from your work to your games.
•D. Speaker – ❌ That’s for sound, not images.
2
Correct Answer: D. Keyboard
•A. Speaker – ❌ That’s for hearing sound.
•B. Mouse – ❌ Used to click, not to type.
•C. Monitor – ❌ Shows what you type but doesn’t do the typing.
•D. Keyboard – ✅ Correct! That’s the main typing tool.
3
Correct Answer: A. To move and click on items on the screen
•A. ✅ Correct! It helps you control the pointer.
•B. ❌ That’s the monitor’s job.
•C. ❌ That’s the speaker’s job.
•D. ❌ That’s for storage devices, not the mouse.
4
Correct Answer: C. It processes information and makes the computer work
•A. ❌ That’s the monitor.
•B. ❌ Speakers play sounds.
•C. ✅ Exactly! The CPU controls all computer operations.
•D. ❌ That’s the keyboard’s job.
5
Correct Answer: C. Monitor and Speaker
•A. ❌ Keyboard doesn’t help you see or hear.
•B. ❌ Mouse and CPU don’t play video or sound.
•C. ✅ Yes! One shows the video, the other plays the sound.
•D. ❌ Useful for control, not watching or listening.
6
Correct Answer: B. The mouse might be unplugged or not working
•A. ❌ If the CPU were off, the whole system wouldn’t respond.
•B. ✅ Correct! A faulty or unplugged mouse won’t control the pointer.
•C. ❌ If the monitor were broken, she wouldn’t see anything.
•D. ❌ Typing has nothing to do with mouse movement.
7
Correct Answer: B. “No, the monitor is a separate part that shows what the CPU is doing.”
•A. ❌ They are not the same.
•B. ✅ Correct! The CPU works behind the scenes; the monitor displays the output.
•C. ❌ Keyboard is unrelated to the monitor showing images.
•D. ❌ Monitors are for everything, not just games.
8
Correct Answer: C. The speakers or volume settings
•A. ❌ He can still see and type, so the monitor is fine.
•B. ❌ The CPU must be on if he can type.
•C. ✅ Yes! The problem is likely with the speakers or audio settings.
•D. ❌ Mouse doesn’t affect sound.
9
Correct Answer: B. Monitor, Keyboard, Mouse
•A. ❌ Speaker doesn’t help design or type.
•B. ✅ Perfect combo: type (keyboard), move (mouse), see (monitor).
•C. ❌ Speaker isn’t used in making a story visually.
•D. ❌ CPU works in the background; speaker plays sound, not visuals.
10
Correct Answer: B. “No, it’s the brain that makes everything work, even if we don’t touch it.”
•A. ❌ CPU is very important even if hidden.
•B. ✅ Correct! It processes everything.
•C. ❌ They have different jobs.
•D. ❌ Typing won’t work if the CPU isn’t processing commands.
Photosynthesis vs Cellular Respiration - Practice Quiz