Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 72 · 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 bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
2. 2.True or false: storage (like a hard disk) keeps photos for years. (a) False (b) True
3. 3.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
4. 4.🔍 Which is the odd one out? (a) projector (b) speaker (c) monitor (d) pen drive
5. 5.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
6. 6.💾 How many bytes are there in 2 KB?
7. 7.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
8. 8.Which of these is hardware? (a) a web browser (b) a typing tutor (c) a keyboard (d) a calculator app
9. 9.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
10. 10.🔍 Which is the odd one out? (a) a scanner (b) a calculator app (c) a printer (d) a hard disk
11. 11.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
12. 12.🧩 Is a word processor hardware or software? (a) hardware (b) software
13. 13.Which of these is software? (a) a mouse (b) a music player app (c) a monitor (d) a printer
14. 14.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
15. 15.🧩 Is a scanner hardware or software? (a) hardware (b) software
16. 16.🔍 Which is the odd one out? (a) a webcam (b) a paint program (c) a music player app (d) a typing tutor
17. 17.True or false: Ctrl+S is the shortcut to save. (a) True (b) False
18. 18.💾 How many bits are there in 10 bytes?
19. 19.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
20. 20.🔍 Which is the odd one out? (a) a web browser (b) a typing tutor (c) a paint program (d) a monitor
21. 21.🔍 Which is the odd one out? (a) a pen drive (b) a mouse (c) a speaker (d) a music player app
22. 22.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
23. 23.🧩 Is a hard disk hardware or software? (a) hardware (b) software
24. 24.True or false: RAM loses data when off. (a) False (b) True
25. 25.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
26. 26.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
27. 27.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+A
28. 28.📁 Which word means to “see what is inside” (for a file or folder)? (a) rename (b) save (c) create (d) open
29. 29.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Save (d) Undo
30. 30.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a speaker (c) a pixel (d) a mouse
31. 31.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
32. 32.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
33. 33.True or false: a computer game is software. (a) True (b) False
34. 34.Which of these is true of RAM? (a) is temporary memory (b) keeps your saved files (c) keeps data when off (d) is permanent storage
35. 35.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) redo (c) print (d) copy
36. 36.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a document (c) a video (d) a picture
37. 37.⌨️ In a word processor, what does Ctrl+Y do? (a) undo (b) save (c) print (d) redo
38. 38.📄 What does a word processor help us do? (a) fly a kite (b) cook food (c) water plants (d) type and edit text
39. 39.🔍 Which is the odd one out? (a) hard disk (b) printer (c) solid-state drive (d) memory card
40. 40.🔍 Which is the odd one out? (a) an operating system (b) a speaker (c) a paint program (d) a calculator app

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