Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 334 · 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: a pen drive is hardware. (a) False (b) True
2. 2.True or false: a speaker is software. (a) False (b) True
3. 3.True or false: RAM keeps data when off. (a) True (b) False
4. 4.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) paste (c) redo (d) save
5. 5.True or false: Ctrl+A is the shortcut to redo. (a) True (b) False
6. 6.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) undo (c) cut (d) paste
7. 7.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
8. 8.Which file ending is a document? (a) .wav (b) .png (c) .mkv (d) .txt
9. 9.⌨️ In a word processor, what does Ctrl+A do? (a) cut (b) print (c) redo (d) select all
10. 10.🧰 Is a hard disk a storage, input or output device? (a) a storage device (b) an input device (c) an output device
11. 11.Which shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+X (d) Ctrl+C
12. 12.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
13. 13.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
14. 14.🧰 Is a pen drive a storage, input or output device? (a) a storage device (b) an output device (c) an input device
15. 15.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
16. 16.🔍 Which is the odd one out? (a) an operating system (b) a pen drive (c) a paint program (d) a typing tutor
17. 17.⌨️ In a word processor, what does Ctrl+S do? (a) copy (b) redo (c) save (d) paste
18. 18.Which of these is hardware? (a) an operating system (b) a computer game (c) a calculator app (d) a printer
19. 19.🔍 Which is the odd one out? (a) projector (b) memory card (c) speaker (d) monitor
20. 20.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
21. 21.True or false: Ctrl+Y is the shortcut to print. (a) True (b) False
22. 22.True or false: to copy a file means to change its name. (a) False (b) True
23. 23.💾 How many bits are there in 10 bytes?
24. 24.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
25. 25.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) undo (c) cut (d) select all
26. 26.True or false: an operating system is hardware. (a) False (b) True
27. 27.💾 How many bits are there in 3 bytes?
28. 28.True or false: to delete a file means to get rid of it. (a) True (b) False
29. 29.Which of these is hardware? (a) an operating system (b) a paint program (c) a hard disk (d) a typing tutor
30. 30.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
31. 31.True or false: to save a file means to keep your work for later. (a) False (b) True
32. 32.💾 Which is smaller: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
33. 33.True or false: a monitor is software. (a) True (b) False
34. 34.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) wires (d) screws
35. 35.📄 A file name ends in .png. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
36. 36.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a big file (d) a printer
37. 37.📁 Which word means to “keep your work for later” (for a file or folder)? (a) move (b) copy (c) save (d) rename
38. 38.🔍 Which is the odd one out? (a) an operating system (b) a scanner (c) a keyboard (d) a webcam
39. 39.🧩 Is a web browser hardware or software? (a) software (b) hardware
40. 40.🧩 Is a monitor hardware or software? (a) hardware (b) software

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