Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 663 · 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 can we touch: hardware or software? (a) software (b) hardware
2. 2.🔍 Which is the odd one out? (a) a music player app (b) an operating system (c) a monitor (d) a word processor
3. 3.🧩 Is a monitor hardware or software? (a) hardware (b) software
4. 4.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
5. 5.⌨️ In a word processor, what does Ctrl+C do? (a) select all (b) cut (c) copy (d) undo
6. 6.True or false: Ctrl+P is the shortcut to redo. (a) True (b) False
7. 7.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
8. 8.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a folder (d) a mouse
9. 9.Which file ending is a picture? (a) .mp3 (b) .mkv (c) .avi (d) .png
10. 10.Which shortcut do we press to select all? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+S (d) Ctrl+A
11. 11.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) select all (c) save (d) copy
12. 12.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
13. 13.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 5 (d) 2
14. 14.📄 What does a word processor help us do? (a) fly a kite (b) water plants (c) cook food (d) type and edit text
15. 15.💾 How many KB are there in 2 MB?
16. 16.🧩 Is a webcam hardware or software? (a) hardware (b) software
17. 17.Which of these is a storage device? (a) speaker (b) projector (c) keyboard (d) solid-state drive
18. 18.💾 Which is smaller: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
19. 19.🔍 Which is the odd one out? (a) a webcam (b) a printer (c) a computer game (d) a speaker
20. 20.💾 Which is smaller: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
21. 21.True or false: an operating system is hardware. (a) False (b) True
22. 22.Which of these is software? (a) a speaker (b) a pen drive (c) a printer (d) a web browser
23. 23.💾 How many MB are there in 3 GB?
24. 24.🧩 Is a paint program hardware or software? (a) software (b) hardware
25. 25.📁 Which word means to “throw it away” (for a file or folder)? (a) open (b) rename (c) save (d) delete
26. 26.📁 Which word means to “keep your work for later” (for a file or folder)? (a) copy (b) save (c) move (d) rename
27. 27.🧩 Is a music player app hardware or software? (a) hardware (b) software
28. 28.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) open (b) copy (c) create (d) save
29. 29.True or false: Ctrl+Y is the shortcut to save. (a) False (b) True
30. 30.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Copy (c) Backspace (d) Delete
31. 31.Which of these is true of RAM? (a) keeps photos for years (b) loses data when off (c) is permanent storage (d) keeps your saved files
32. 32.📁 Which word means to “make an exact twin” (for a file or folder)? (a) rename (b) create (c) delete (d) copy
33. 33.🔍 Which is the odd one out? (a) a paint program (b) a speaker (c) a word processor (d) a calculator app
34. 34.💾 Which is smaller: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
35. 35.📄 A file name ends in .mp4. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
36. 36.True or false: a hard disk is a storage device. (a) True (b) False
37. 37.Which of these is hardware? (a) a paint program (b) a computer game (c) an operating system (d) a hard disk
38. 38.What does it mean to create a file? (a) make a brand-new one (b) get rid of it (c) make an exact twin (d) keep your work for later
39. 39.Which file ending is a sound? (a) .avi (b) .png (c) .mp4 (d) .mp3
40. 40.📷 A camera keeps its photos on a small ___. (a) keyboard (b) speaker (c) memory card (d) mouse pad

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