Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 164 · 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.📄 What does a word processor help us do? (a) fly a kite (b) cook food (c) type and edit text (d) water plants
2. 2.💾 Which is bigger: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
3. 3.💾 How many GB are there in 2 TB?
4. 4.🔍 Which is the odd one out? (a) a typing tutor (b) a paint program (c) a computer game (d) a monitor
5. 5.True or false: a computer game is software. (a) False (b) True
6. 6.🧩 Is a printer hardware or software? (a) hardware (b) software
7. 7.🧩 Is a webcam hardware or software? (a) hardware (b) software
8. 8.True or false: to open a file means to get rid of it. (a) True (b) False
9. 9.Which shortcut do we press to select all? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+V (d) Ctrl+A
10. 10.What does it mean to rename a file? (a) get rid of it (b) store your work (c) give it a new name (d) put it in another place
11. 11.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) paste (c) copy (d) cut
12. 12.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
13. 13.True or false: RAM is permanent storage. (a) False (b) True
14. 14.True or false: storage (like a hard disk) is temporary memory. (a) True (b) False
15. 15.🔍 Which is the odd one out? (a) a keyboard (b) a pen drive (c) a word processor (d) a webcam
16. 16.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 1 (d) 5
17. 17.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+X (c) Ctrl+P (d) Ctrl+A
18. 18.True or false: a mouse is an output device. (a) False (b) True
19. 19.Which of these is hardware? (a) a paint program (b) an operating system (c) a printer (d) a web browser
20. 20.💾 Which is bigger: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
21. 21.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) cut (c) save (d) select all
22. 22.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the folder (c) the toolbar (d) the icon
23. 23.🧩 Is a word processor hardware or software? (a) hardware (b) software
24. 24.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
25. 25.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
26. 26.True or false: a music player app is hardware. (a) False (b) True
27. 27.💾 Which is bigger: 1 TB or 1 MB? (a) 1 MB (b) 1 TB
28. 28.💾 How many MB are there in 1 GB?
29. 29.Which of these is software? (a) a keyboard (b) a speaker (c) a pen drive (d) a typing tutor
30. 30.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
31. 31.💾 How many MB are there in 2 GB?
32. 32.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Undo (d) Save
33. 33.⚡ Which is faster for the computer to work with? (a) a printer (b) a pen drive (c) a memory card (d) RAM
34. 34.🧩 Is a monitor hardware or software? (a) hardware (b) software
35. 35.Which shortcut do we press to redo? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+A
36. 36.💾 Which is bigger: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
37. 37.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
38. 38.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
39. 39.Which shortcut do we press to save? (a) Ctrl+Z (b) Ctrl+A (c) Ctrl+C (d) Ctrl+S
40. 40.⌨️ In a word processor, what does Ctrl+Z do? (a) cut (b) copy (c) select all (d) undo

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