Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 171 · 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.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) save (c) undo (d) print
2. 2.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) byte (d) KB
3. 3.What does it mean to save a file? (a) store your work (b) change its name (c) make a brand-new one (d) throw it away
4. 4.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) redo (c) cut (d) copy
5. 5.⌨️ In a word processor, what does Ctrl+Y do? (a) print (b) select all (c) redo (d) undo
6. 6.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
7. 7.▌ What is the blinking line that shows where you will type? (a) the folder (b) the toolbar (c) the icon (d) the cursor
8. 8.💾 How many GB are there in 2 TB?
9. 9.🧩 Is a monitor hardware or software? (a) software (b) hardware
10. 10.📁 Which word means to “see what is inside” (for a file or folder)? (a) rename (b) move (c) open (d) save
11. 11.📄 A file name ends in .txt. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
12. 12.Which of these is software? (a) a scanner (b) a mouse (c) a typing tutor (d) a printer
13. 13.True or false: a solid-state drive is a storage device. (a) False (b) True
14. 14.True or false: a monitor is an output device. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) a scanner (b) a pen drive (c) a music player app (d) a webcam
16. 16.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
17. 17.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
18. 18.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a document (c) a sound (d) a picture
19. 19.True or false: a speaker is hardware. (a) True (b) False
20. 20.Which of these is a storage device? (a) scanner (b) memory card (c) projector (d) speaker
21. 21.💾 How many bytes are there in 3 KB?
22. 22.Which file ending is a document? (a) .mp4 (b) .avi (c) .mkv (d) .txt
23. 23.True or false: a mouse is hardware. (a) False (b) True
24. 24.🔍 Which is the odd one out? (a) keyboard (b) microphone (c) scanner (d) pen drive
25. 25.⌨️ In a word processor, what does Ctrl+Z do? (a) cut (b) select all (c) save (d) undo
26. 26.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) an operating system (b) a printer (c) a speaker (d) a mouse
28. 28.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
29. 29.🧰 Is a printer a storage, input or output device? (a) an input device (b) an output device (c) a storage device
30. 30.Which of these is software? (a) a printer (b) a webcam (c) a speaker (d) a paint program
31. 31.🔍 Which is the odd one out? (a) a keyboard (b) a printer (c) a typing tutor (d) a speaker
32. 32.💾 Which is bigger: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
33. 33.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
34. 34.✋ Which can we touch: hardware or software? (a) hardware (b) software
35. 35.True or false: Ctrl+Y is the shortcut to copy. (a) True (b) False
36. 36.🔍 Which is the odd one out? (a) a computer game (b) a typing tutor (c) a music player app (d) a speaker
37. 37.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
38. 38.Which shortcut do we press to print? (a) Ctrl+Z (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+P
39. 39.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) RAM (d) a pen drive
40. 40.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) print (c) copy (d) cut

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