Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 60 · 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 does it mean to rename a file? (a) change its name (b) throw it away (c) make a brand-new one (d) put it in another place
2. 2.True or false: a speaker is hardware. (a) False (b) True
3. 3.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+C
4. 4.🧩 Is an operating system hardware or software? (a) hardware (b) software
5. 5.Which shortcut do we press to copy? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+C (d) Ctrl+Z
6. 6.💾 Which is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
7. 7.True or false: a computer game is software. (a) True (b) False
8. 8.📄 A file name ends in .mp3. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
9. 9.What does it mean to create a file? (a) make a brand-new one (b) change its name (c) store your work (d) put it in another place
10. 10.Which file ending is a video? (a) .txt (b) .wav (c) .gif (d) .mp4
11. 11.True or false: a web browser is hardware. (a) True (b) False
12. 12.🧩 Is a monitor hardware or software? (a) software (b) hardware
13. 13.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
14. 14.💾 How many bits are there in 1 byte?
15. 15.True or false: a word processor is hardware. (a) False (b) True
16. 16.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Copy (c) Undo (d) Backspace
17. 17.Which file ending is a document? (a) .png (b) .mp3 (c) .jpg (d) .txt
18. 18.🔍 Which is the odd one out? (a) a computer game (b) a word processor (c) a speaker (d) a typing tutor
19. 19.Which shortcut do we press to paste? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+S
20. 20.True or false: to move a file means to make a brand-new one. (a) False (b) True
21. 21.🧩 Is a scanner hardware or software? (a) hardware (b) software
22. 22.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
23. 23.⌨️ In a word processor, what does Ctrl+P do? (a) select all (b) paste (c) save (d) print
24. 24.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Copy (c) Cut (d) Save
25. 25.Which of these is hardware? (a) a word processor (b) a webcam (c) a calculator app (d) a web browser
26. 26.Which of these is a storage device? (a) keyboard (b) scanner (c) monitor (d) hard disk
27. 27.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
28. 28.Which of these is hardware? (a) a music player app (b) a web browser (c) a scanner (d) a paint program
29. 29.🧩 Is a hard disk hardware or software? (a) software (b) hardware
30. 30.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a speaker (c) a pixel (d) a folder
31. 31.🧰 Is a microphone a storage, input or output device? (a) an output device (b) a storage device (c) an input device
32. 32.🔍 Which is the odd one out? (a) projector (b) memory card (c) pen drive (d) hard disk
33. 33.📄 A file name ends in .txt. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
34. 34.🔍 Which is the odd one out? (a) pen drive (b) hard disk (c) solid-state drive (d) mouse
35. 35.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
36. 36.True or false: a monitor is an input device. (a) True (b) False
37. 37.Which of these is hardware? (a) a paint program (b) a pen drive (c) a calculator app (d) a music player app
38. 38.Which of these is a storage device? (a) speaker (b) keyboard (c) solid-state drive (d) projector
39. 39.Which shortcut do we press to print? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+C (d) Ctrl+P
40. 40.🏷️ Every file has a ___ so we can find it. (a) taste (b) name (c) weight (d) smell

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