Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 357 · 40 questions

Remember (Find the topic, use the idea): Read the question and find its topic: hardware or software, units, memory, files, or editing text. Use that lesson’s idea — can you touch it, multiply to change units, RAM forgets, which file action, which shortcut. For unit sums, write the rule first (1 byte = 8 bits, 1 KB = 1024 bytes) and then multiply.

1. 1.🔍 Which is the odd one out? (a) a paint program (b) a music player app (c) a typing tutor (d) a scanner
2. 2.🧩 Is a mouse hardware or software? (a) software (b) hardware
3. 3.💾 Which is bigger: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
4. 4.True or false: Ctrl+S is the shortcut to copy. (a) True (b) False
5. 5.🧩 Is a speaker hardware or software? (a) hardware (b) software
6. 6.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
7. 7.🔍 Which is the odd one out? (a) an operating system (b) a paint program (c) a music player app (d) a keyboard
8. 8.True or false: a speaker is software. (a) True (b) False
9. 9.True or false: storage (like a hard disk) is the working memory. (a) False (b) True
10. 10.What does it mean to rename a file? (a) make an exact twin (b) throw it away (c) give it a new name (d) make a brand-new one
11. 11.Which of these is hardware? (a) a keyboard (b) a paint program (c) a word processor (d) an operating system
12. 12.True or false: a music player app is software. (a) False (b) True
13. 13.🧩 Is a computer game hardware or software? (a) hardware (b) software
14. 14.💾 How many KB are there in 4 MB?
15. 15.Which shortcut do we press to copy? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+X (d) Ctrl+Z
16. 16.True or false: an operating system is hardware. (a) True (b) False
17. 17.🧩 Is a word processor hardware or software? (a) hardware (b) software
18. 18.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
19. 19.What does it mean to save a file? (a) make an exact twin (b) get rid of it (c) keep your work for later (d) change its name
20. 20.📄 What does a word processor help us do? (a) fly a kite (b) type and edit text (c) water plants (d) cook food
21. 21.True or false: a hard disk is software. (a) False (b) True
22. 22.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
23. 23.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
24. 24.True or false: a monitor is software. (a) True (b) False
25. 25.🧩 Is a scanner hardware or software? (a) hardware (b) software
26. 26.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
27. 27.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Delete (c) Undo (d) Copy
28. 28.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) paper storage (c) cloud storage (d) rain storage
29. 29.Which of these is hardware? (a) a music player app (b) a computer game (c) a web browser (d) a mouse
30. 30.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) wires (d) screws
31. 31.True or false: a monitor is an output device. (a) True (b) False
32. 32.✋ Which can we touch: hardware or software? (a) software (b) hardware
33. 33.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an input device (c) an output device
34. 34.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
35. 35.Which of these is an output device? (a) mouse (b) monitor (c) microphone (d) scanner
36. 36.💾 How many bytes are there in 1 KB?
37. 37.True or false: RAM loses data when off. (a) False (b) True
38. 38.Which shortcut do we press to cut? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+V (d) Ctrl+C
39. 39.📄 A file name ends in .avi. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
40. 40.True or false: a pen drive is a storage device. (a) False (b) True

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