Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 736 · 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 select all? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+X (d) Ctrl+C
2. 2.⌨️ In a word processor, what does Ctrl+Y do? (a) cut (b) redo (c) undo (d) print
3. 3.True or false: a mouse is software. (a) False (b) True
4. 4.✋ Which can we touch: hardware or software? (a) software (b) hardware
5. 5.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
6. 6.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
7. 7.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
8. 8.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
9. 9.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
10. 10.True or false: Ctrl+Y is the shortcut to copy. (a) False (b) True
11. 11.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+B (c) Ctrl+U (d) Ctrl+I
12. 12.What does it mean to delete a file? (a) change its name (b) give it a new name (c) put it in another place (d) throw it away
13. 13.True or false: a monitor is hardware. (a) True (b) False
14. 14.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
15. 15.True or false: Ctrl+C is the shortcut to redo. (a) False (b) True
16. 16.📷 A camera keeps its photos on a small ___. (a) keyboard (b) memory card (c) mouse pad (d) speaker
17. 17.True or false: RAM is temporary memory. (a) True (b) False
18. 18.True or false: RAM keeps photos for years. (a) False (b) True
19. 19.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+A (c) Ctrl+X (d) Ctrl+Z
20. 20.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
21. 21.🧰 Is a scanner a storage, input or output device? (a) a storage device (b) an input device (c) an output device
22. 22.Which of these is true of RAM? (a) is the working memory (b) keeps your saved files (c) is permanent storage (d) keeps data when off
23. 23.True or false: Ctrl+V is the shortcut to save. (a) False (b) True
24. 24.True or false: to rename a file means to give it a new name. (a) False (b) True
25. 25.🧩 Is a monitor hardware or software? (a) software (b) hardware
26. 26.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) the memory card (c) RAM (d) the hard disk
27. 27.True or false: to move a file means to put it in another place. (a) True (b) False
28. 28.Which shortcut do we press to undo? (a) Ctrl+A (b) Ctrl+Z (c) Ctrl+P (d) Ctrl+X
29. 29.💾 Which is smaller: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
30. 30.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) select (c) print (d) delete
31. 31.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
32. 32.🧩 Is a keyboard hardware or software? (a) software (b) hardware
33. 33.True or false: a word processor is hardware. (a) True (b) False
34. 34.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
35. 35.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Cut (c) Undo (d) Save
36. 36.💾 How many GB are there in 2 TB?
37. 37.Which of these is a storage device? (a) keyboard (b) pen drive (c) scanner (d) printer
38. 38.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
39. 39.💾 Which is bigger: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
40. 40.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) print (c) copy (d) undo

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