Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 591 · 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.🧩 Is a web browser hardware or software? (a) software (b) hardware
2. 2.Which of these is software? (a) a speaker (b) a monitor (c) a paint program (d) a mouse
3. 3.📁 What do we call a folder inside another folder? (a) a subfolder (b) a big file (c) a printer (d) an icon
4. 4.Which file ending is a video? (a) .mkv (b) .pdf (c) .wav (d) .txt
5. 5.True or false: to delete a file means to give it a new name. (a) True (b) False
6. 6.True or false: Ctrl+S is the shortcut to save. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) a paint program (b) a calculator app (c) an operating system (d) a hard disk
8. 8.🧰 Is a monitor a storage, input or output device? (a) a storage device (b) an input device (c) an output device
9. 9.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) print (c) save (d) select
10. 10.Which of these is hardware? (a) a monitor (b) a web browser (c) a word processor (d) an operating system
11. 11.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) wires (d) instructions
12. 12.Which of these is software? (a) a keyboard (b) a monitor (c) a computer game (d) a printer
13. 13.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 2 (d) 5
14. 14.💾 How many GB are there in 1 TB?
15. 15.💾 How many bits are there in 5 bytes?
16. 16.🧰 Is a solid-state drive a storage, input or output device? (a) a storage device (b) an output device (c) an input device
17. 17.💾 How many bits are there in 3 bytes?
18. 18.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) KB (d) byte
19. 19.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
20. 20.True or false: a projector is an input device. (a) True (b) False
21. 21.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a speaker (c) a pixel (d) a folder
22. 22.💾 Which is smaller: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
23. 23.True or false: Ctrl+Z is the shortcut to save. (a) False (b) True
24. 24.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
25. 25.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the memory card (c) the pen drive (d) the hard disk
26. 26.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
27. 27.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
28. 28.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Cut (c) Undo (d) Copy
29. 29.Which of these is software? (a) a hard disk (b) a mouse (c) a webcam (d) a web browser
30. 30.🧩 Is a computer game hardware or software? (a) hardware (b) software
31. 31.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a picture (c) a document (d) a video
32. 32.True or false: to rename a file means to give it a new name. (a) False (b) True
33. 33.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
34. 34.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+C
35. 35.🔍 Which is the odd one out? (a) keyboard (b) mouse (c) scanner (d) pen drive
36. 36.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
37. 37.💾 Which is smaller: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
38. 38.🔍 Which is the odd one out? (a) a speaker (b) a keyboard (c) a hard disk (d) a word processor
39. 39.Which file ending is a document? (a) .png (b) .avi (c) .pdf (d) .mp4
40. 40.Which of these is software? (a) a mouse (b) a word processor (c) a keyboard (d) a pen drive

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