Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 542 · 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.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
2. 2.True or false: storage (like a hard disk) is permanent storage. (a) True (b) False
3. 3.💾 How many MB are there in 1 GB?
4. 4.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) undo (c) redo (d) select all
5. 5.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 2 (d) 1
6. 6.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
7. 7.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
8. 8.💾 Which is smaller: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
9. 9.True or false: a webcam is software. (a) False (b) True
10. 10.Which of these is software? (a) a hard disk (b) a monitor (c) an operating system (d) a printer
11. 11.True or false: Ctrl+Y is the shortcut to paste. (a) False (b) True
12. 12.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+Z (d) Ctrl+Y
13. 13.🔍 Which is the odd one out? (a) a webcam (b) a paint program (c) a mouse (d) a keyboard
14. 14.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) paste (c) cut (d) redo
15. 15.✋ Which can we touch: hardware or software? (a) software (b) hardware
16. 16.Which of these is hardware? (a) a monitor (b) a music player app (c) an operating system (d) a calculator app
17. 17.True or false: RAM is the working memory. (a) True (b) False
18. 18.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
19. 19.🧩 Is a keyboard hardware or software? (a) software (b) hardware
20. 20.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
21. 21.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a document (c) a video (d) a picture
22. 22.What does it mean to delete a file? (a) get rid of it (b) change its name (c) keep your work for later (d) put it in another place
23. 23.🧰 Is a speaker a storage, input or output device? (a) an input device (b) an output device (c) a storage device
24. 24.📁 Which word means to “get rid of it” (for a file or folder)? (a) open (b) delete (c) copy (d) move
25. 25.Which of these is a storage device? (a) solid-state drive (b) microphone (c) speaker (d) keyboard
26. 26.🧰 Is a hard disk a storage, input or output device? (a) an input device (b) a storage device (c) an output device
27. 27.🧩 Is an operating system hardware or software? (a) software (b) hardware
28. 28.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
29. 29.True or false: to create a file means to make a brand-new one. (a) True (b) False
30. 30.⚡ Which is faster for the computer to work with? (a) a memory card (b) RAM (c) a printer (d) a pen drive
31. 31.Which file ending is a video? (a) .mp3 (b) .wav (c) .gif (d) .avi
32. 32.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a pixel (c) a speaker (d) a mouse
33. 33.True or false: a computer game is hardware. (a) False (b) True
34. 34.💾 Which is smaller: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
35. 35.🧾 Software is a set of ___ for the computer. (a) instructions (b) wires (c) screws (d) buttons
36. 36.True or false: a word processor is software. (a) True (b) False
37. 37.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Cut (c) Print (d) Undo
38. 38.🔍 Which is the odd one out? (a) a music player app (b) a webcam (c) a speaker (d) a scanner
39. 39.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Undo (c) Delete (d) Copy
40. 40.True or false: RAM is temporary memory. (a) False (b) True

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