Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 571 · 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 shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+V (d) Ctrl+A
2. 2.Which shortcut do we press to print? (a) Ctrl+Y (b) Ctrl+A (c) Ctrl+P (d) Ctrl+Z
3. 3.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
4. 4.True or false: a mouse is an input device. (a) True (b) False
5. 5.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
6. 6.💾 How many GB are there in 1 TB?
7. 7.🔍 Which is the odd one out? (a) mouse (b) monitor (c) speaker (d) printer
8. 8.🔍 Which is the odd one out? (a) a mouse (b) a word processor (c) a pen drive (d) a webcam
9. 9.True or false: to move a file means to put it in another place. (a) False (b) True
10. 10.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
11. 11.True or false: Ctrl+V is the shortcut to cut. (a) True (b) False
12. 12.True or false: a word processor is software. (a) True (b) False
13. 13.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) paste (c) save (d) copy
14. 14.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) paper storage (c) cloud storage (d) rain storage
15. 15.🔍 Which is the odd one out? (a) pen drive (b) memory card (c) projector (d) solid-state drive
16. 16.💾 How many bits are there in 9 bytes?
17. 17.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) holds apps that are open (c) keeps photos for years (d) loses data when off
18. 18.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
19. 19.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) select (c) save (d) print
20. 20.True or false: storage (like a hard disk) holds apps that are open. (a) True (b) False
21. 21.True or false: a paint program is software. (a) True (b) False
22. 22.True or false: RAM keeps photos for years. (a) False (b) True
23. 23.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
24. 24.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) undo (c) select all (d) print
25. 25.🔍 Which is the odd one out? (a) solid-state drive (b) memory card (c) pen drive (d) printer
26. 26.🔍 Which is the odd one out? (a) a paint program (b) a typing tutor (c) a pen drive (d) a music player app
27. 27.Which of these is true of storage (like a hard disk)? (a) keeps data when off (b) loses data when off (c) holds apps that are open (d) is the working memory
28. 28.👩‍💻 What do we call people who write software? (a) programmers (b) tailors (c) plumbers (d) farmers
29. 29.🔍 Which is the odd one out? (a) a web browser (b) an operating system (c) a music player app (d) a mouse
30. 30.Which of these is true of RAM? (a) keeps data when off (b) keeps photos for years (c) is permanent storage (d) is temporary memory
31. 31.✋ Which can we touch: hardware or software? (a) software (b) hardware
32. 32.🧩 Is a mouse hardware or software? (a) software (b) hardware
33. 33.True or false: Ctrl+V is the shortcut to select all. (a) True (b) False
34. 34.True or false: Ctrl+Z is the shortcut to save. (a) False (b) True
35. 35.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
36. 36.True or false: a mouse is a storage device. (a) True (b) False
37. 37.Which of these is hardware? (a) a computer game (b) a mouse (c) a calculator app (d) a word processor
38. 38.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+X
39. 39.⌨️ In a word processor, what does Ctrl+X do? (a) redo (b) paste (c) undo (d) cut
40. 40.🧩 Is an operating system hardware or software? (a) software (b) hardware

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