Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 264 · 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 of these is a storage device? (a) printer (b) speaker (c) projector (d) pen drive
2. 2.💾 How many bytes are there in 1 KB?
3. 3.Which of these is true of RAM? (a) is temporary memory (b) keeps your saved files (c) keeps photos for years (d) keeps data when off
4. 4.Which shortcut do we press to select all? (a) Ctrl+S (b) Ctrl+P (c) Ctrl+A (d) Ctrl+V
5. 5.💾 Which is bigger: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
6. 6.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) cut (c) undo (d) select all
7. 7.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
8. 8.Which of these is true of RAM? (a) is permanent storage (b) keeps data when off (c) holds apps that are open (d) keeps your saved files
9. 9.What does it mean to delete a file? (a) change its name (b) throw it away (c) store your work (d) see what is inside
10. 10.True or false: to save a file means to make an exact twin. (a) True (b) False
11. 11.True or false: an operating system is software. (a) True (b) False
12. 12.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 2 (d) 5
13. 13.Which of these is an input device? (a) solid-state drive (b) pen drive (c) mouse (d) memory card
14. 14.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
15. 15.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) redo (c) undo (d) print
16. 16.⌨️ In a word processor, what does Ctrl+X do? (a) undo (b) cut (c) save (d) print
17. 17.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
18. 18.Which of these is hardware? (a) a computer game (b) a paint program (c) a word processor (d) a scanner
19. 19.💾 Which is bigger: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
20. 20.📷 A camera keeps its photos on a small ___. (a) memory card (b) keyboard (c) mouse pad (d) speaker
21. 21.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) loses data when off (c) holds apps that are open (d) keeps data when off
22. 22.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
23. 23.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
24. 24.What does it mean to save a file? (a) store your work (b) make a brand-new one (c) see what is inside (d) change its name
25. 25.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
26. 26.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
27. 27.Which of these is hardware? (a) a music player app (b) an operating system (c) a monitor (d) a web browser
28. 28.🔍 Which is the odd one out? (a) monitor (b) printer (c) speaker (d) pen drive
29. 29.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
30. 30.🧩 Is an operating system hardware or software? (a) hardware (b) software
31. 31.Which file ending is a sound? (a) .png (b) .mp3 (c) .jpg (d) .txt
32. 32.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+C
33. 33.📁 What do we call a folder inside another folder? (a) a subfolder (b) a big file (c) an icon (d) a printer
34. 34.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
35. 35.True or false: a webcam is software. (a) True (b) False
36. 36.Which shortcut do we press to save? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+C (d) Ctrl+S
37. 37.🔍 Which is the odd one out? (a) printer (b) scanner (c) keyboard (d) mouse
38. 38.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Redo (b) Delete (c) Copy (d) Cut
39. 39.Which of these is software? (a) a computer game (b) a mouse (c) a hard disk (d) a monitor
40. 40.💾 Which is smaller: 1 MB or 1 TB? (a) 1 TB (b) 1 MB

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