Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 196 · 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 of these is hardware? (a) an operating system (b) a hard disk (c) a paint program (d) a music player app
2. 2.🧩 Is a scanner hardware or software? (a) hardware (b) software
3. 3.🔍 Which is the odd one out? (a) speaker (b) solid-state drive (c) memory card (d) pen drive
4. 4.🧩 Is a webcam hardware or software? (a) hardware (b) software
5. 5.🔍 Which is the odd one out? (a) a calculator app (b) a hard disk (c) a monitor (d) a pen drive
6. 6.Which of these is a storage device? (a) monitor (b) keyboard (c) hard disk (d) scanner
7. 7.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) save (c) print (d) paste
8. 8.Which file ending is a video? (a) .mp4 (b) .jpg (c) .mp3 (d) .gif
9. 9.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
10. 10.True or false: a word processor is hardware. (a) True (b) False
11. 11.True or false: a speaker is software. (a) False (b) True
12. 12.Which of these is a storage device? (a) mouse (b) printer (c) pen drive (d) speaker
13. 13.💾 Which is bigger: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
14. 14.💾 Which is smaller: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
15. 15.🧩 Is an operating system hardware or software? (a) hardware (b) software
16. 16.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) KB (d) bit
17. 17.✋ Which can we touch: hardware or software? (a) software (b) hardware
18. 18.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
19. 19.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Delete (c) Copy (d) Backspace
20. 20.🧩 Is a printer hardware or software? (a) hardware (b) software
21. 21.🔍 Which is the odd one out? (a) a monitor (b) a hard disk (c) a computer game (d) a pen drive
22. 22.🧩 Is a speaker hardware or software? (a) software (b) hardware
23. 23.True or false: a music player app is software. (a) True (b) False
24. 24.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
25. 25.Which of these is software? (a) a keyboard (b) a calculator app (c) a hard disk (d) a scanner
26. 26.Which of these is true of RAM? (a) is permanent storage (b) is temporary memory (c) keeps photos for years (d) keeps data when off
27. 27.💾 How many KB are there in 2 MB?
28. 28.Which shortcut do we press to paste? (a) Ctrl+Y (b) Ctrl+A (c) Ctrl+P (d) Ctrl+V
29. 29.What does it mean to rename a file? (a) make an exact twin (b) throw it away (c) change its name (d) make a brand-new one
30. 30.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) print (c) copy (d) undo
31. 31.🔍 Which is the odd one out? (a) mouse (b) microphone (c) keyboard (d) pen drive
32. 32.⚡ Which is faster for the computer to work with? (a) a pen drive (b) RAM (c) a memory card (d) a printer
33. 33.Which of these is hardware? (a) a web browser (b) a word processor (c) a printer (d) an operating system
34. 34.True or false: RAM keeps photos for years. (a) True (b) False
35. 35.⌨️ In a word processor, what does Ctrl+P do? (a) paste (b) print (c) redo (d) save
36. 36.📄 A file name ends in .jpg. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
37. 37.What does it mean to save a file? (a) change its name (b) store your work (c) give it a new name (d) put it in another place
38. 38.Which file ending is a video? (a) .gif (b) .avi (c) .png (d) .jpg
39. 39.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 1 (d) 9
40. 40.True or false: a calculator app is hardware. (a) True (b) False

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