Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 136 · 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 smaller: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
2. 2.True or false: Ctrl+Y is the shortcut to save. (a) True (b) False
3. 3.📄 A file name ends in .jpg. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
4. 4.🧩 Is an operating system hardware or software? (a) hardware (b) software
5. 5.Which of these is an output device? (a) hard disk (b) memory card (c) scanner (d) projector
6. 6.📁 Which word means to “throw it away” (for a file or folder)? (a) rename (b) save (c) open (d) delete
7. 7.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) rain storage (c) box storage (d) cloud storage
8. 8.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) select all (c) paste (d) redo
9. 9.📷 A camera keeps its photos on a small ___. (a) keyboard (b) mouse pad (c) memory card (d) speaker
10. 10.Which file ending is a sound? (a) .jpg (b) .mkv (c) .wav (d) .pdf
11. 11.True or false: a calculator app is hardware. (a) False (b) True
12. 12.Which file ending is a picture? (a) .mkv (b) .gif (c) .mp3 (d) .wav
13. 13.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) redo (c) copy (d) save
14. 14.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
15. 15.🧩 Is a speaker hardware or software? (a) hardware (b) software
16. 16.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) KB (d) GB
17. 17.True or false: a printer is an output device. (a) False (b) True
18. 18.Which shortcut do we press to undo? (a) Ctrl+S (b) Ctrl+Z (c) Ctrl+P (d) Ctrl+X
19. 19.🔍 Which is the odd one out? (a) memory card (b) hard disk (c) monitor (d) pen drive
20. 20.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
21. 21.True or false: a microphone is an output device. (a) False (b) True
22. 22.💾 Which is smaller: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
23. 23.🔍 Which is the odd one out? (a) projector (b) speaker (c) monitor (d) memory card
24. 24.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) farmers (d) programmers
25. 25.True or false: to copy a file means to make an exact twin. (a) True (b) False
26. 26.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
27. 27.Which of these is software? (a) a paint program (b) a printer (c) a monitor (d) a webcam
28. 28.True or false: RAM is temporary memory. (a) False (b) True
29. 29.Which of these is hardware? (a) a scanner (b) a paint program (c) an operating system (d) a calculator app
30. 30.True or false: to create a file means to put it in another place. (a) True (b) False
31. 31.True or false: storage (like a hard disk) is permanent storage. (a) False (b) True
32. 32.Which of these is hardware? (a) a paint program (b) a monitor (c) a computer game (d) a music player app
33. 33.Which of these is hardware? (a) a music player app (b) a paint program (c) a keyboard (d) a computer game
34. 34.Which of these is a storage device? (a) speaker (b) monitor (c) projector (d) solid-state drive
35. 35.✋ Which can we touch: hardware or software? (a) hardware (b) software
36. 36.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+V (d) Ctrl+A
37. 37.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+X
38. 38.💾 Which is smaller: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
39. 39.💾 Which is smaller: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
40. 40.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) RAM (d) a pen drive

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