Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 254 · 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 is the odd one out? (a) speaker (b) printer (c) projector (d) memory card
2. 2.✋ Which can we touch: hardware or software? (a) hardware (b) software
3. 3.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
4. 4.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a mouse (c) a pixel (d) a speaker
5. 5.True or false: a monitor is software. (a) False (b) True
6. 6.True or false: RAM keeps data when off. (a) False (b) True
7. 7.📁 Which word means to “change its name” (for a file or folder)? (a) move (b) create (c) rename (d) delete
8. 8.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
9. 9.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
10. 10.🔍 Which is the odd one out? (a) a mouse (b) a word processor (c) a web browser (d) an operating system
11. 11.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+V
12. 12.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
13. 13.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
14. 14.Which of these is true of RAM? (a) keeps data when off (b) is temporary memory (c) keeps your saved files (d) is permanent storage
15. 15.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an input device (c) an output device
16. 16.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) paste (c) select all (d) copy
17. 17.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a subfolder (d) a big file
18. 18.Which of these is software? (a) a speaker (b) a web browser (c) a printer (d) a scanner
19. 19.True or false: to move a file means to put it in another place. (a) True (b) False
20. 20.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) the hard disk (c) the memory card (d) RAM
21. 21.🧩 Is a mouse hardware or software? (a) software (b) hardware
22. 22.💾 Which is smaller: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
23. 23.🏷️ Every file has a ___ so we can find it. (a) name (b) taste (c) weight (d) smell
24. 24.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) save (c) print (d) select
25. 25.Which of these is hardware? (a) a typing tutor (b) a scanner (c) a paint program (d) a computer game
26. 26.Which of these is software? (a) a scanner (b) a hard disk (c) a speaker (d) a music player app
27. 27.🔍 Which is the odd one out? (a) a typing tutor (b) a paint program (c) a scanner (d) a web browser
28. 28.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Undo (d) Save
29. 29.💾 Which is bigger: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
30. 30.📄 A file name ends in .mp3. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
31. 31.💾 Which is smaller: 1 TB or 1 bit? (a) 1 TB (b) 1 bit
32. 32.Which of these is a storage device? (a) microphone (b) scanner (c) pen drive (d) keyboard
33. 33.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
34. 34.🔍 Which is the odd one out? (a) a webcam (b) a pen drive (c) a hard disk (d) a word processor
35. 35.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
36. 36.True or false: Ctrl+C is the shortcut to redo. (a) True (b) False
37. 37.💾 Which is bigger: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
38. 38.🧩 Is a keyboard hardware or software? (a) hardware (b) software
39. 39.💾 How many KB are there in 3 MB?
40. 40.🔍 Which is the odd one out? (a) a word processor (b) a web browser (c) an operating system (d) a pen drive

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