Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 610 · 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.💾 How many MB are there in 3 GB?
2. 2.💾 How many GB are there in 1 TB?
3. 3.💾 Which is smaller: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
4. 4.Which shortcut do we press to undo? (a) Ctrl+S (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+Z
5. 5.Which of these is software? (a) a speaker (b) a word processor (c) a pen drive (d) a scanner
6. 6.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
7. 7.💾 Which is bigger: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
8. 8.Which of these is software? (a) a pen drive (b) a music player app (c) a mouse (d) a keyboard
9. 9.True or false: storage (like a hard disk) keeps photos for years. (a) False (b) True
10. 10.True or false: a word processor is hardware. (a) True (b) False
11. 11.Which shortcut do we press to print? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+A (d) Ctrl+P
12. 12.✋ Which can we touch: hardware or software? (a) hardware (b) software
13. 13.⌨️ In a word processor, what does Ctrl+X do? (a) select all (b) save (c) copy (d) cut
14. 14.🔍 Which is the odd one out? (a) a calculator app (b) a scanner (c) a typing tutor (d) a paint program
15. 15.💾 Which is smaller: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
16. 16.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) a printer (d) an icon
17. 17.🔍 Which is the odd one out? (a) printer (b) projector (c) keyboard (d) speaker
18. 18.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
19. 19.🧩 Is a monitor hardware or software? (a) software (b) hardware
20. 20.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) byte (d) KB
21. 21.🧩 Is an operating system hardware or software? (a) software (b) hardware
22. 22.🧩 Is a music player app hardware or software? (a) hardware (b) software
23. 23.💾 Which is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
24. 24.💾 Which is smaller: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
25. 25.What does it mean to copy a file? (a) make an exact twin (b) change its name (c) keep your work for later (d) put it in another place
26. 26.True or false: a solid-state drive is an input device. (a) False (b) True
27. 27.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
28. 28.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
29. 29.💾 How many KB are there in 1 MB?
30. 30.What does it mean to save a file? (a) make a brand-new one (b) throw it away (c) change its name (d) store your work
31. 31.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
32. 32.💾 Which is smaller: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
33. 33.💾 How many bits are there in 7 bytes?
34. 34.True or false: a scanner is hardware. (a) False (b) True
35. 35.What does it mean to save a file? (a) change its name (b) keep your work for later (c) give it a new name (d) get rid of it
36. 36.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
37. 37.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
38. 38.True or false: storage (like a hard disk) is permanent storage. (a) True (b) False
39. 39.True or false: Ctrl+Y is the shortcut to undo. (a) False (b) True
40. 40.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Copy (c) Delete (d) Backspace

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