Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 734 · 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 mouse (b) a speaker (c) an operating system (d) a keyboard
2. 2.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a mouse (d) a pixel
3. 3.🔍 Which is the odd one out? (a) mouse (b) keyboard (c) projector (d) microphone
4. 4.True or false: Ctrl+Z is the shortcut to select all. (a) True (b) False
5. 5.💾 How many bits are there in 10 bytes?
6. 6.True or false: a mouse is software. (a) False (b) True
7. 7.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) save (c) create (d) rename
8. 8.🧩 Is a speaker hardware or software? (a) software (b) hardware
9. 9.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is temporary memory (c) is permanent storage (d) holds apps that are open
10. 10.True or false: to delete a file means to make a brand-new one. (a) False (b) True
11. 11.💾 Which is smaller: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
12. 12.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
13. 13.⌨️ In a word processor, what does Ctrl+S do? (a) copy (b) select all (c) print (d) save
14. 14.True or false: Ctrl+A is the shortcut to redo. (a) False (b) True
15. 15.🧩 Is an operating system hardware or software? (a) software (b) hardware
16. 16.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Print (c) Undo (d) Cut
17. 17.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
18. 18.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
19. 19.💾 Which is smaller: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
20. 20.✋ Which can we touch: hardware or software? (a) software (b) hardware
21. 21.⌨️ In a word processor, what does Ctrl+Y do? (a) paste (b) copy (c) redo (d) save
22. 22.What does it mean to save a file? (a) change its name (b) put it in another place (c) keep your work for later (d) see what is inside
23. 23.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
24. 24.True or false: to move a file means to change its name. (a) True (b) False
25. 25.Which file ending is a sound? (a) .pdf (b) .wav (c) .txt (d) .png
26. 26.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) is temporary memory (c) holds apps that are open (d) keeps your saved files
27. 27.True or false: RAM keeps photos for years. (a) True (b) False
28. 28.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1
29. 29.Which of these is software? (a) a webcam (b) a mouse (c) a keyboard (d) a music player app
30. 30.💾 How many bytes are there in 2 KB?
31. 31.True or false: a hard disk is an output device. (a) True (b) False
32. 32.💾 How many bytes are there in 3 KB?
33. 33.Which of these is software? (a) a webcam (b) a scanner (c) a printer (d) a web browser
34. 34.Which file ending is a document? (a) .txt (b) .png (c) .mp3 (d) .gif
35. 35.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+U (b) Ctrl+B (c) Ctrl+I (d) Ctrl+F
36. 36.💾 How many GB are there in 2 TB?
37. 37.🧩 Is a monitor hardware or software? (a) software (b) hardware
38. 38.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+X (c) Ctrl+S (d) Ctrl+A
39. 39.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
40. 40.Which of these is an input device? (a) solid-state drive (b) printer (c) scanner (d) pen drive

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