Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 831 · 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.True or false: Ctrl+C is the shortcut to redo. (a) True (b) False
2. 2.⌨️ In a word processor, what does Ctrl+A do? (a) redo (b) copy (c) undo (d) select all
3. 3.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the icon (c) the toolbar (d) the folder
4. 4.Which of these is hardware? (a) a paint program (b) a web browser (c) a word processor (d) a hard disk
5. 5.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) redo (c) save (d) select all
6. 6.💾 How many MB are there in 3 GB?
7. 7.✋ Which can we touch: hardware or software? (a) hardware (b) software
8. 8.⌨️ In a word processor, what does Ctrl+Z do? (a) select all (b) undo (c) save (d) redo
9. 9.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1
10. 10.💾 How many GB are there in 2 TB?
11. 11.True or false: a calculator app is hardware. (a) False (b) True
12. 12.💾 How many GB are there in 1 TB?
13. 13.📄 A file name ends in .mp3. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
14. 14.True or false: Ctrl+P is the shortcut to undo. (a) False (b) True
15. 15.🧩 Is a speaker hardware or software? (a) software (b) hardware
16. 16.💾 Which is bigger: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
17. 17.Which of these is a storage device? (a) scanner (b) printer (c) hard disk (d) projector
18. 18.Which of these is software? (a) a keyboard (b) a mouse (c) an operating system (d) a pen drive
19. 19.True or false: a hard disk is hardware. (a) True (b) False
20. 20.Which file ending is a picture? (a) .avi (b) .mp3 (c) .mp4 (d) .gif
21. 21.Which of these is software? (a) a speaker (b) a music player app (c) a monitor (d) a webcam
22. 22.True or false: to open a file means to change its name. (a) True (b) False
23. 23.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) delete (b) copy (c) create (d) move
24. 24.True or false: a speaker is hardware. (a) True (b) False
25. 25.💾 How many KB are there in 1 MB?
26. 26.Which file ending is a document? (a) .png (b) .jpg (c) .pdf (d) .avi
27. 27.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
28. 28.💾 How many MB are there in 1 GB?
29. 29.True or false: Ctrl+S is the shortcut to select all. (a) True (b) False
30. 30.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
31. 31.💾 Which is bigger: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
32. 32.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+X (d) Ctrl+Y
33. 33.True or false: a keyboard is hardware. (a) False (b) True
34. 34.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Redo (b) Cut (c) Copy (d) Delete
35. 35.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a folder (c) a speaker (d) a mouse
36. 36.📁 Which word means to “store your work” (for a file or folder)? (a) save (b) move (c) open (d) delete
37. 37.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a memory card (c) RAM (d) a printer
38. 38.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
39. 39.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) GB (d) KB
40. 40.🧩 Is a word processor hardware or software? (a) hardware (b) software

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