Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 545 · 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 of these is software? (a) a speaker (b) a typing tutor (c) a pen drive (d) a mouse
2. 2.Which shortcut do we press to cut? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+V (d) Ctrl+Z
3. 3.📄 A file name ends in .png. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
4. 4.Which of these is a storage device? (a) solid-state drive (b) microphone (c) mouse (d) speaker
5. 5.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) undo (c) paste (d) cut
6. 6.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
7. 7.🧩 Is a word processor hardware or software? (a) hardware (b) software
8. 8.Which of these is a storage device? (a) monitor (b) scanner (c) keyboard (d) pen drive
9. 9.💾 Which is bigger: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
10. 10.True or false: Ctrl+Z is the shortcut to print. (a) True (b) False
11. 11.What does it mean to rename a file? (a) store your work (b) give it a new name (c) see what is inside (d) get rid of it
12. 12.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
13. 13.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a memory card (c) RAM (d) a printer
14. 14.Which file ending is a sound? (a) .jpg (b) .mp3 (c) .gif (d) .mkv
15. 15.True or false: a mouse is software. (a) True (b) False
16. 16.What does it mean to move a file? (a) store your work (b) change its name (c) keep your work for later (d) put it in another place
17. 17.💾 How many KB are there in 4 MB?
18. 18.True or false: Ctrl+P is the shortcut to paste. (a) False (b) True
19. 19.Which file ending is a picture? (a) .wav (b) .mp4 (c) .pdf (d) .png
20. 20.True or false: to open a file means to see what is inside. (a) False (b) True
21. 21.🔍 Which is the odd one out? (a) a printer (b) a speaker (c) a mouse (d) a computer game
22. 22.🔍 Which is the odd one out? (a) monitor (b) keyboard (c) speaker (d) projector
23. 23.True or false: a printer is software. (a) True (b) False
24. 24.Which of these is software? (a) a scanner (b) a monitor (c) a mouse (d) a paint program
25. 25.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a mouse (c) a pixel (d) a speaker
26. 26.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
27. 27.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
28. 28.True or false: Ctrl+X is the shortcut to cut. (a) False (b) True
29. 29.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 2 (d) 9
30. 30.🧩 Is a scanner hardware or software? (a) hardware (b) software
31. 31.✋ Which can we touch: hardware or software? (a) software (b) hardware
32. 32.True or false: Ctrl+C is the shortcut to select all. (a) True (b) False
33. 33.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
34. 34.🔍 Which is the odd one out? (a) a typing tutor (b) an operating system (c) a web browser (d) a webcam
35. 35.🔍 Which is the odd one out? (a) solid-state drive (b) projector (c) memory card (d) pen drive
36. 36.📁 Which word means to “keep your work for later” (for a file or folder)? (a) delete (b) rename (c) open (d) save
37. 37.💾 Which is smaller: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
38. 38.Which shortcut do we press to undo? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+Z (d) Ctrl+Y
39. 39.True or false: Ctrl+Y is the shortcut to redo. (a) True (b) False
40. 40.Which of these is true of storage (like a hard disk)? (a) keeps your saved files (b) holds apps that are open (c) is temporary memory (d) is the working memory

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