Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 401 · 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 software? (a) a pen drive (b) a monitor (c) a keyboard (d) an operating system
2. 2.Which file ending is a picture? (a) .jpg (b) .wav (c) .pdf (d) .mkv
3. 3.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) undo (c) print (d) save
4. 4.✋ Which can we touch: hardware or software? (a) software (b) hardware
5. 5.📁 Which word means to “keep your work for later” (for a file or folder)? (a) delete (b) open (c) save (d) rename
6. 6.True or false: a word processor is software. (a) False (b) True
7. 7.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+S (d) Ctrl+V
8. 8.Which of these is true of RAM? (a) keeps data when off (b) loses data when off (c) keeps photos for years (d) keeps your saved files
9. 9.True or false: a paint program is hardware. (a) True (b) False
10. 10.🧩 Is a printer hardware or software? (a) software (b) hardware
11. 11.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) print (c) save (d) select
12. 12.🧩 Is a pen drive hardware or software? (a) software (b) hardware
13. 13.🔍 Which is the odd one out? (a) memory card (b) monitor (c) projector (d) printer
14. 14.True or false: RAM is the working memory. (a) False (b) True
15. 15.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
16. 16.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
17. 17.True or false: RAM loses data when off. (a) False (b) True
18. 18.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
19. 19.⌨️ In a word processor, what does Ctrl+Z do? (a) print (b) redo (c) undo (d) paste
20. 20.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is the working memory (c) is temporary memory (d) keeps data when off
21. 21.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) GB (d) byte
22. 22.Which file ending is a video? (a) .avi (b) .pdf (c) .txt (d) .wav
23. 23.True or false: a printer is hardware. (a) False (b) True
24. 24.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) farmers (d) programmers
25. 25.🧩 Is a computer game hardware or software? (a) software (b) hardware
26. 26.True or false: an operating system is software. (a) False (b) True
27. 27.True or false: storage (like a hard disk) keeps data when off. (a) False (b) True
28. 28.Which of these is hardware? (a) a monitor (b) an operating system (c) a music player app (d) a computer game
29. 29.Which shortcut do we press to redo? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+Y (d) Ctrl+X
30. 30.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
31. 31.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
32. 32.📁 What do we call a folder inside another folder? (a) a subfolder (b) a printer (c) an icon (d) a big file
33. 33.Which of these is hardware? (a) a pen drive (b) an operating system (c) a word processor (d) a web browser
34. 34.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Copy (c) Undo (d) Cut
35. 35.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
36. 36.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+Y
37. 37.🧾 Software is a set of ___ for the computer. (a) instructions (b) buttons (c) screws (d) wires
38. 38.True or false: a memory card is a storage device. (a) False (b) True
39. 39.What does it mean to move a file? (a) get rid of it (b) throw it away (c) put it in another place (d) change its name
40. 40.💾 How many bits are there in 12 bytes?

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