Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 637 · 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 bigger: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
2. 2.📷 A camera keeps its photos on a small ___. (a) speaker (b) mouse pad (c) memory card (d) keyboard
3. 3.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) redo (c) paste (d) cut
4. 4.True or false: Ctrl+X is the shortcut to paste. (a) False (b) True
5. 5.What does it mean to create a file? (a) throw it away (b) get rid of it (c) change its name (d) make a brand-new one
6. 6.✋ Which can we touch: hardware or software? (a) software (b) hardware
7. 7.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
8. 8.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Undo (c) Copy (d) Cut
9. 9.🧩 Is an operating system hardware or software? (a) software (b) hardware
10. 10.🏷️ Every file has a ___ so we can find it. (a) smell (b) taste (c) weight (d) name
11. 11.🔍 Which is the odd one out? (a) a pen drive (b) a paint program (c) a scanner (d) a monitor
12. 12.💾 How many GB are there in 1 TB?
13. 13.True or false: to rename a file means to get rid of it. (a) False (b) True
14. 14.True or false: a speaker is an output device. (a) False (b) True
15. 15.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) keeps your saved files (c) is the working memory (d) loses data when off
16. 16.What does it mean to move a file? (a) change its name (b) make an exact twin (c) give it a new name (d) put it in another place
17. 17.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+A
18. 18.📁 Which word means to “get rid of it” (for a file or folder)? (a) copy (b) move (c) rename (d) delete
19. 19.True or false: Ctrl+V is the shortcut to copy. (a) True (b) False
20. 20.🧩 Is a web browser hardware or software? (a) hardware (b) software
21. 21.📁 Which word means to “put it in another place” (for a file or folder)? (a) open (b) delete (c) rename (d) move
22. 22.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) wires (d) screws
23. 23.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) GB (d) KB
24. 24.💾 Which is smaller: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
25. 25.Which shortcut do we press to select all? (a) Ctrl+Z (b) Ctrl+A (c) Ctrl+S (d) Ctrl+Y
26. 26.Which file ending is a sound? (a) .mkv (b) .png (c) .mp3 (d) .pdf
27. 27.Which of these is true of RAM? (a) is temporary memory (b) keeps data when off (c) is permanent storage (d) keeps photos for years
28. 28.True or false: to move a file means to put it in another place. (a) False (b) True
29. 29.Which of these is an input device? (a) printer (b) projector (c) monitor (d) microphone
30. 30.Which of these is hardware? (a) a hard disk (b) a paint program (c) a computer game (d) an operating system
31. 31.⌨️ In a word processor, what does Ctrl+Z do? (a) save (b) undo (c) copy (d) print
32. 32.True or false: a calculator app is hardware. (a) False (b) True
33. 33.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
34. 34.True or false: a webcam is hardware. (a) False (b) True
35. 35.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) select (c) print (d) save
36. 36.Which shortcut do we press to print? (a) Ctrl+A (b) Ctrl+P (c) Ctrl+Z (d) Ctrl+Y
37. 37.🔍 Which is the odd one out? (a) a computer game (b) a mouse (c) a calculator app (d) a music player app
38. 38.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
39. 39.🧩 Is a hard disk hardware or software? (a) software (b) hardware
40. 40.💾 How many bits are there in 7 bytes?

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