Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 275 · 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: storage (like a hard disk) keeps data when off. (a) False (b) True
2. 2.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
3. 3.👩‍💻 What do we call people who write software? (a) tailors (b) programmers (c) plumbers (d) farmers
4. 4.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Print (d) Cut
5. 5.Which shortcut do we press to save? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+S
6. 6.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is the working memory (c) keeps your saved files (d) holds apps that are open
7. 7.Which of these is hardware? (a) a typing tutor (b) a computer game (c) a web browser (d) a speaker
8. 8.🧩 Is a speaker hardware or software? (a) hardware (b) software
9. 9.🔍 Which is the odd one out? (a) a webcam (b) a scanner (c) a web browser (d) a speaker
10. 10.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) undo (c) redo (d) print
11. 11.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
12. 12.Which of these is true of RAM? (a) keeps data when off (b) keeps your saved files (c) keeps photos for years (d) loses data when off
13. 13.Which shortcut do we press to redo? (a) Ctrl+X (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+Z
14. 14.🧩 Is a printer hardware or software? (a) software (b) hardware
15. 15.💾 Which is bigger: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
16. 16.Which file ending is a picture? (a) .pdf (b) .mkv (c) .gif (d) .wav
17. 17.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+X (d) Ctrl+Z
18. 18.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) print (c) undo (d) redo
19. 19.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
20. 20.What does it mean to save a file? (a) make a brand-new one (b) store your work (c) make an exact twin (d) throw it away
21. 21.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) copy (c) undo (d) redo
22. 22.True or false: a projector is an output device. (a) False (b) True
23. 23.True or false: a monitor is a storage device. (a) True (b) False
24. 24.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
25. 25.🧩 Is a webcam hardware or software? (a) software (b) hardware
26. 26.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
27. 27.True or false: a keyboard is hardware. (a) True (b) False
28. 28.💾 Which is smaller: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
29. 29.💾 How many bits are there in 12 bytes?
30. 30.Which of these is hardware? (a) a word processor (b) a webcam (c) a music player app (d) a typing tutor
31. 31.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
32. 32.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a printer (c) RAM (d) a memory card
33. 33.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
34. 34.True or false: a projector is a storage device. (a) False (b) True
35. 35.Which of these is true of RAM? (a) keeps data when off (b) is permanent storage (c) keeps photos for years (d) is the working memory
36. 36.True or false: a typing tutor is software. (a) False (b) True
37. 37.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
38. 38.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) an icon (d) a printer
39. 39.What does it mean to move a file? (a) change its name (b) keep your work for later (c) put it in another place (d) make a brand-new one
40. 40.Which shortcut do we press to print? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+P (d) Ctrl+V

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