Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 513 · 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.🧩 Is a webcam hardware or software? (a) hardware (b) software
2. 2.🔍 Which is the odd one out? (a) a printer (b) a typing tutor (c) a web browser (d) a calculator app
3. 3.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a mouse (c) a speaker (d) a pixel
4. 4.Which file ending is a sound? (a) .mp4 (b) .png (c) .pdf (d) .mp3
5. 5.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 2 (d) 9
6. 6.True or false: a monitor is an input device. (a) False (b) True
7. 7.⌨️ In a word processor, what does Ctrl+A do? (a) undo (b) cut (c) redo (d) select all
8. 8.Which file ending is a document? (a) .pdf (b) .png (c) .jpg (d) .wav
9. 9.Which shortcut do we press to cut? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+C (d) Ctrl+S
10. 10.✋ Which can we touch: hardware or software? (a) software (b) hardware
11. 11.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+V
12. 12.📁 Which word means to “get rid of it” (for a file or folder)? (a) copy (b) delete (c) create (d) rename
13. 13.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) speaker (c) keyboard (d) memory card
14. 14.🔍 Which is the odd one out? (a) mouse (b) projector (c) printer (d) monitor
15. 15.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a subfolder (d) a printer
16. 16.🔍 Which is the odd one out? (a) a mouse (b) a web browser (c) a pen drive (d) a speaker
17. 17.🧰 Is a keyboard a storage, input or output device? (a) an input device (b) a storage device (c) an output device
18. 18.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
19. 19.True or false: storage (like a hard disk) loses data when off. (a) True (b) False
20. 20.💾 Which is smaller: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
21. 21.🔍 Which is the odd one out? (a) a computer game (b) a typing tutor (c) a mouse (d) a word processor
22. 22.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) undo (c) save (d) paste
23. 23.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+S (c) Ctrl+A (d) Ctrl+C
24. 24.True or false: to rename a file means to change its name. (a) False (b) True
25. 25.🧩 Is a keyboard hardware or software? (a) software (b) hardware
26. 26.True or false: Ctrl+P is the shortcut to undo. (a) False (b) True
27. 27.💾 Which is smaller: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
28. 28.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
29. 29.True or false: to copy a file means to store your work. (a) False (b) True
30. 30.Which of these is an output device? (a) pen drive (b) microphone (c) keyboard (d) monitor
31. 31.📁 Which word means to “make an exact twin” (for a file or folder)? (a) open (b) copy (c) move (d) delete
32. 32.Which of these is hardware? (a) a typing tutor (b) a speaker (c) a word processor (d) a computer game
33. 33.🧾 Software is a set of ___ for the computer. (a) wires (b) instructions (c) screws (d) buttons
34. 34.True or false: a monitor is software. (a) False (b) True
35. 35.Which of these is a storage device? (a) keyboard (b) microphone (c) memory card (d) projector
36. 36.Which of these is an output device? (a) mouse (b) hard disk (c) printer (d) scanner
37. 37.💾 How many KB are there in 1 MB?
38. 38.Which shortcut do we press to undo? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+Y (d) Ctrl+Z
39. 39.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) print (c) paste (d) select all
40. 40.⌨️ In a word processor, what does Ctrl+C do? (a) save (b) cut (c) copy (d) paste

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