Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 529 · 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 print? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+X (d) Ctrl+Z
2. 2.Which of these is true of RAM? (a) loses data when off (b) is permanent storage (c) keeps your saved files (d) keeps data when off
3. 3.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) RAM (c) the pen drive (d) the memory card
4. 4.Which of these is software? (a) a printer (b) a webcam (c) a paint program (d) a speaker
5. 5.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+I (b) Ctrl+U (c) Ctrl+F (d) Ctrl+B
6. 6.📁 What do we call a folder inside another folder? (a) an icon (b) a big file (c) a printer (d) a subfolder
7. 7.Which of these is software? (a) an operating system (b) a keyboard (c) a scanner (d) a hard disk
8. 8.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
9. 9.🧩 Is an operating system hardware or software? (a) hardware (b) software
10. 10.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Save (c) Copy (d) Undo
11. 11.💾 How many GB are there in 2 TB?
12. 12.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
13. 13.💾 How many MB are there in 3 GB?
14. 14.🧩 Is a webcam hardware or software? (a) hardware (b) software
15. 15.Which of these is true of RAM? (a) holds apps that are open (b) is permanent storage (c) keeps data when off (d) keeps photos for years
16. 16.📄 A file name ends in .mkv. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
17. 17.🧩 Is a word processor hardware or software? (a) software (b) hardware
18. 18.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) loses data when off (c) is the working memory (d) keeps your saved files
19. 19.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) KB (d) bit
20. 20.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) select all (c) copy (d) undo
21. 21.True or false: a solid-state drive is a storage device. (a) True (b) False
22. 22.📄 A file name ends in .mp4. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
23. 23.True or false: Ctrl+A is the shortcut to redo. (a) False (b) True
24. 24.💾 How many bits are there in 7 bytes?
25. 25.Which of these is hardware? (a) an operating system (b) a computer game (c) a mouse (d) a web browser
26. 26.Which file ending is a sound? (a) .mkv (b) .wav (c) .mp4 (d) .avi
27. 27.🧩 Is a pen drive hardware or software? (a) hardware (b) software
28. 28.Which of these is an input device? (a) mouse (b) projector (c) solid-state drive (d) pen drive
29. 29.Which of these is software? (a) a scanner (b) a computer game (c) a printer (d) a monitor
30. 30.🔍 Which is the odd one out? (a) a pen drive (b) a webcam (c) a word processor (d) a keyboard
31. 31.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+V (d) Ctrl+Z
32. 32.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
33. 33.Which file ending is a video? (a) .mp3 (b) .avi (c) .jpg (d) .gif
34. 34.💾 How many KB are there in 2 MB?
35. 35.💾 How many bytes are there in 1 KB?
36. 36.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
37. 37.Which of these is an output device? (a) hard disk (b) keyboard (c) scanner (d) projector
38. 38.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
39. 39.🔍 Which is the odd one out? (a) a hard disk (b) a keyboard (c) a webcam (d) a typing tutor
40. 40.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) instructions (d) screws

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