Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 847 · 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 do we call a folder inside another folder? (a) an icon (b) a subfolder (c) a printer (d) a big file
2. 2.🔍 Which is the odd one out? (a) a music player app (b) a mouse (c) a printer (d) a scanner
3. 3.⌨️ In a word processor, what does Ctrl+P do? (a) paste (b) redo (c) undo (d) print
4. 4.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
5. 5.📁 Which word means to “store your work” (for a file or folder)? (a) open (b) delete (c) rename (d) save
6. 6.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
7. 7.🔍 Which is the odd one out? (a) hard disk (b) scanner (c) mouse (d) microphone
8. 8.✋ Which can we touch: hardware or software? (a) software (b) hardware
9. 9.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Redo (b) Copy (c) Delete (d) Cut
10. 10.Which shortcut do we press to paste? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+A
11. 11.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
12. 12.Which of these is true of RAM? (a) is permanent storage (b) holds apps that are open (c) keeps your saved files (d) keeps photos for years
13. 13.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
14. 14.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
15. 15.🧩 Is a pen drive hardware or software? (a) hardware (b) software
16. 16.🧩 Is a computer game hardware or software? (a) software (b) hardware
17. 17.💾 How many MB are there in 3 GB?
18. 18.🧩 Is a mouse hardware or software? (a) software (b) hardware
19. 19.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) print (c) save (d) paste
20. 20.True or false: to save a file means to get rid of it. (a) True (b) False
21. 21.💾 Which is smaller: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
22. 22.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 1 (d) 9
23. 23.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Undo (c) Copy (d) Cut
24. 24.Which of these is software? (a) a pen drive (b) a paint program (c) a webcam (d) a mouse
25. 25.💾 Which is smaller: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
26. 26.💾 Which is smaller: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
27. 27.📁 Which word means to “keep your work for later” (for a file or folder)? (a) create (b) delete (c) rename (d) save
28. 28.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Backspace (c) Undo (d) Delete
29. 29.🔍 Which is the odd one out? (a) keyboard (b) projector (c) printer (d) monitor
30. 30.🧩 Is a music player app hardware or software? (a) hardware (b) software
31. 31.True or false: Ctrl+P is the shortcut to save. (a) True (b) False
32. 32.🔍 Which is the odd one out? (a) a computer game (b) an operating system (c) a mouse (d) a typing tutor
33. 33.Which of these is software? (a) a monitor (b) a hard disk (c) a word processor (d) a mouse
34. 34.💾 How many bytes are there in 3 KB?
35. 35.🧩 Is a scanner hardware or software? (a) hardware (b) software
36. 36.What does it mean to copy a file? (a) make an exact twin (b) put it in another place (c) give it a new name (d) see what is inside
37. 37.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
38. 38.Which file ending is a picture? (a) .mp3 (b) .mkv (c) .wav (d) .gif
39. 39.🧩 Is an operating system hardware or software? (a) software (b) hardware
40. 40.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions

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