Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 144 · 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 true of storage (like a hard disk)? (a) holds apps that are open (b) keeps data when off (c) loses data when off (d) is temporary memory
2. 2.Which of these is an output device? (a) printer (b) microphone (c) pen drive (d) mouse
3. 3.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) RAM (c) the pen drive (d) the hard disk
4. 4.🧩 Is a music player app hardware or software? (a) hardware (b) software
5. 5.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
6. 6.True or false: a webcam is hardware. (a) True (b) False
7. 7.Which of these is an input device? (a) keyboard (b) pen drive (c) printer (d) speaker
8. 8.🔍 Which is the odd one out? (a) a scanner (b) a paint program (c) a printer (d) a webcam
9. 9.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
10. 10.Which of these is software? (a) a paint program (b) a pen drive (c) a hard disk (d) a keyboard
11. 11.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
12. 12.📁 Which word means to “store your work” (for a file or folder)? (a) rename (b) open (c) copy (d) save
13. 13.True or false: a keyboard is software. (a) False (b) True
14. 14.🏷️ Every file has a ___ so we can find it. (a) name (b) weight (c) taste (d) smell
15. 15.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an input device (c) an output device
16. 16.📁 Which word means to “give it a new name” (for a file or folder)? (a) save (b) open (c) delete (d) rename
17. 17.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
18. 18.True or false: to rename a file means to change its name. (a) False (b) True
19. 19.🔍 Which is the odd one out? (a) a hard disk (b) a computer game (c) a speaker (d) a monitor
20. 20.📄 A file name ends in .mp4. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
21. 21.🔍 Which is the odd one out? (a) an operating system (b) a webcam (c) a printer (d) a hard disk
22. 22.📁 Which word means to “throw it away” (for a file or folder)? (a) copy (b) save (c) create (d) delete
23. 23.True or false: a pen drive is hardware. (a) False (b) True
24. 24.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is the working memory (c) keeps your saved files (d) is temporary memory
25. 25.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) move (c) delete (d) open
26. 26.🧩 Is a hard disk hardware or software? (a) hardware (b) software
27. 27.Which of these is hardware? (a) a typing tutor (b) a calculator app (c) an operating system (d) a mouse
28. 28.🔍 Which is the odd one out? (a) keyboard (b) scanner (c) mouse (d) memory card
29. 29.🧩 Is a webcam hardware or software? (a) software (b) hardware
30. 30.Which of these is true of RAM? (a) keeps your saved files (b) keeps data when off (c) loses data when off (d) keeps photos for years
31. 31.🔍 Which is the odd one out? (a) an operating system (b) a scanner (c) a word processor (d) a web browser
32. 32.What does it mean to copy a file? (a) keep your work for later (b) make an exact twin (c) make a brand-new one (d) see what is inside
33. 33.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
34. 34.Which file ending is a picture? (a) .mp3 (b) .avi (c) .png (d) .mkv
35. 35.True or false: a printer is hardware. (a) True (b) False
36. 36.True or false: a webcam is software. (a) False (b) True
37. 37.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
38. 38.What does it mean to create a file? (a) throw it away (b) make a brand-new one (c) get rid of it (d) change its name
39. 39.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Delete (c) Undo (d) Print
40. 40.📄 A file name ends in .png. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound

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