Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 50 · 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+S (b) Ctrl+P (c) Ctrl+V (d) Ctrl+C
2. 2.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
3. 3.True or false: to delete a file means to throw it away. (a) True (b) False
4. 4.🧰 Is a scanner a storage, input or output device? (a) a storage device (b) an input device (c) an output device
5. 5.Which of these is software? (a) a webcam (b) a hard disk (c) a printer (d) an operating system
6. 6.⌨️ In a word processor, what does Ctrl+C do? (a) save (b) copy (c) select all (d) cut
7. 7.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) move (b) copy (c) delete (d) create
8. 8.True or false: a monitor is a storage device. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) a web browser (b) a computer game (c) an operating system (d) a printer
10. 10.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) KB (d) GB
11. 11.📁 Which word means to “store your work” (for a file or folder)? (a) save (b) create (c) move (d) copy
12. 12.Which of these is software? (a) a webcam (b) a printer (c) a pen drive (d) a word processor
13. 13.True or false: a hard disk is an input device. (a) False (b) True
14. 14.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) RAM (c) the memory card (d) the pen drive
15. 15.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) copy (c) undo (d) cut
16. 16.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Delete (c) Undo (d) Copy
17. 17.Which of these is software? (a) a paint program (b) a scanner (c) a speaker (d) a pen drive
18. 18.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
19. 19.📁 Which word means to “put it in another place” (for a file or folder)? (a) create (b) rename (c) move (d) save
20. 20.True or false: a computer game is software. (a) True (b) False
21. 21.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
22. 22.Which shortcut do we press to undo? (a) Ctrl+S (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+A
23. 23.🧩 Is a scanner hardware or software? (a) hardware (b) software
24. 24.🧩 Is a computer game hardware or software? (a) hardware (b) software
25. 25.⌨️ In a word processor, what does Ctrl+P do? (a) select all (b) redo (c) print (d) undo
26. 26.💾 How many MB are there in 1 GB?
27. 27.🧰 Is a speaker a storage, input or output device? (a) an input device (b) an output device (c) a storage device
28. 28.🔍 Which is the odd one out? (a) scanner (b) keyboard (c) printer (d) mouse
29. 29.True or false: a microphone is a storage device. (a) False (b) True
30. 30.🧩 Is a monitor hardware or software? (a) hardware (b) software
31. 31.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) save (c) cut (d) paste
32. 32.True or false: to open a file means to see what is inside. (a) False (b) True
33. 33.Which of these is a storage device? (a) hard disk (b) printer (c) mouse (d) scanner
34. 34.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+F (c) Ctrl+U (d) Ctrl+I
35. 35.🔍 Which is the odd one out? (a) a printer (b) a word processor (c) a monitor (d) a pen drive
36. 36.Which file ending is a picture? (a) .mkv (b) .mp3 (c) .wav (d) .gif
37. 37.Which shortcut do we press to select all? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+A (d) Ctrl+C
38. 38.💾 Which is bigger: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
39. 39.True or false: RAM is temporary memory. (a) False (b) True
40. 40.🧩 Is a hard disk hardware or software? (a) hardware (b) software

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