Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 426 · 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.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) KB (d) byte
2. 2.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
3. 3.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
4. 4.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a mouse (c) a folder (d) a speaker
5. 5.Which of these is a storage device? (a) speaker (b) projector (c) scanner (d) memory card
6. 6.💾 Which is bigger: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
7. 7.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
8. 8.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Delete (c) Cut (d) Undo
9. 9.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
10. 10.True or false: a web browser is software. (a) True (b) False
11. 11.Which of these is true of storage (like a hard disk)? (a) keeps your saved files (b) holds apps that are open (c) is temporary memory (d) loses data when off
12. 12.Which of these is true of RAM? (a) is the working memory (b) keeps photos for years (c) is permanent storage (d) keeps your saved files
13. 13.True or false: a monitor is hardware. (a) True (b) False
14. 14.True or false: to delete a file means to make a brand-new one. (a) False (b) True
15. 15.Which of these is an input device? (a) memory card (b) pen drive (c) speaker (d) microphone
16. 16.📁 What do we call a folder inside another folder? (a) a printer (b) a big file (c) a subfolder (d) an icon
17. 17.🧩 Is a monitor hardware or software? (a) hardware (b) software
18. 18.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) copy (c) cut (d) save
19. 19.✋ Which can we touch: hardware or software? (a) hardware (b) software
20. 20.💾 How many KB are there in 2 MB?
21. 21.🔍 Which is the odd one out? (a) a mouse (b) a printer (c) a hard disk (d) a typing tutor
22. 22.Which shortcut do we press to redo? (a) Ctrl+X (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+A
23. 23.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 1 (d) 9
24. 24.💾 How many GB are there in 2 TB?
25. 25.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+A (d) Ctrl+X
26. 26.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Redo (c) Delete (d) Cut
27. 27.💾 How many bits are there in 8 bytes?
28. 28.True or false: Ctrl+V is the shortcut to cut. (a) False (b) True
29. 29.Which of these is hardware? (a) a web browser (b) a paint program (c) a monitor (d) a word processor
30. 30.🧩 Is a calculator app hardware or software? (a) hardware (b) software
31. 31.Which file ending is a sound? (a) .wav (b) .pdf (c) .jpg (d) .avi
32. 32.💾 How many GB are there in 1 TB?
33. 33.🔍 Which is the odd one out? (a) a webcam (b) an operating system (c) a mouse (d) a scanner
34. 34.What does it mean to rename a file? (a) change its name (b) store your work (c) put it in another place (d) make an exact twin
35. 35.⌨️ In a word processor, what does Ctrl+X do? (a) redo (b) paste (c) copy (d) cut
36. 36.🧩 Is a music player app hardware or software? (a) software (b) hardware
37. 37.Which of these is software? (a) an operating system (b) a hard disk (c) a pen drive (d) a mouse
38. 38.🔍 Which is the odd one out? (a) mouse (b) monitor (c) scanner (d) microphone
39. 39.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) a pen drive (d) RAM
40. 40.Which of these is a storage device? (a) microphone (b) printer (c) pen drive (d) scanner

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