Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 505 · 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 the odd one out? (a) a speaker (b) a webcam (c) a pen drive (d) a word processor
2. 2.Which file ending is a sound? (a) .mkv (b) .gif (c) .mp3 (d) .avi
3. 3.What does it mean to save a file? (a) change its name (b) throw it away (c) put it in another place (d) keep your work for later
4. 4.💾 How many MB are there in 1 GB?
5. 5.⚡ Which is faster for the computer to work with? (a) a printer (b) RAM (c) a pen drive (d) a memory card
6. 6.True or false: a hard disk is a storage device. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) microphone (b) keyboard (c) mouse (d) memory card
8. 8.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) keyboard (c) memory card (d) speaker
9. 9.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) save (c) cut (d) undo
10. 10.🧩 Is an operating system hardware or software? (a) hardware (b) software
11. 11.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
12. 12.Which of these is hardware? (a) a typing tutor (b) a monitor (c) a music player app (d) an operating system
13. 13.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 2 (d) 9
14. 14.Which of these is hardware? (a) a typing tutor (b) a paint program (c) a scanner (d) a word processor
15. 15.🔍 Which is the odd one out? (a) pen drive (b) memory card (c) solid-state drive (d) keyboard
16. 16.✋ Which can we touch: hardware or software? (a) hardware (b) software
17. 17.💾 Which is bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
18. 18.🔍 Which is the odd one out? (a) a music player app (b) a computer game (c) a paint program (d) a webcam
19. 19.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
20. 20.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) loses data when off (d) keeps photos for years
21. 21.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a speaker (d) a folder
22. 22.💾 Which is bigger: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
23. 23.True or false: RAM keeps data when off. (a) False (b) True
24. 24.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
25. 25.🔍 Which is the odd one out? (a) a computer game (b) a web browser (c) a pen drive (d) a typing tutor
26. 26.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Cut (c) Copy (d) Save
27. 27.🔍 Which is the odd one out? (a) a webcam (b) a calculator app (c) a mouse (d) a printer
28. 28.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the hard disk (c) the pen drive (d) the memory card
29. 29.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) select (c) print (d) delete
30. 30.🔍 Which is the odd one out? (a) a printer (b) a monitor (c) a keyboard (d) a typing tutor
31. 31.🧩 Is a webcam hardware or software? (a) hardware (b) software
32. 32.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
33. 33.💾 How many bits are there in 3 bytes?
34. 34.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
35. 35.▌ What is the blinking line that shows where you will type? (a) the folder (b) the icon (c) the cursor (d) the toolbar
36. 36.Which of these is software? (a) a paint program (b) a scanner (c) a pen drive (d) a speaker
37. 37.💾 Which is smaller: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
38. 38.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
39. 39.🔍 Which is the odd one out? (a) monitor (b) microphone (c) projector (d) speaker
40. 40.💾 Which is smaller: 1 GB or 1 TB? (a) 1 GB (b) 1 TB

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