Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 490 · 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) microphone (b) solid-state drive (c) keyboard (d) mouse
2. 2.💾 Which is bigger: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
3. 3.💾 Which is bigger: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
4. 4.Which of these is software? (a) a keyboard (b) a printer (c) a word processor (d) a monitor
5. 5.🔍 Which is the odd one out? (a) a mouse (b) a monitor (c) a printer (d) a computer game
6. 6.📁 Which word means to “throw it away” (for a file or folder)? (a) move (b) open (c) create (d) delete
7. 7.🔍 Which is the odd one out? (a) a typing tutor (b) a paint program (c) a printer (d) a calculator app
8. 8.True or false: a monitor is hardware. (a) False (b) True
9. 9.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a pixel (d) a folder
10. 10.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
11. 11.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
12. 12.💾 How many bits are there in 12 bytes?
13. 13.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the cursor (d) the toolbar
14. 14.🧩 Is a pen drive hardware or software? (a) hardware (b) software
15. 15.🧰 Is a hard disk a storage, input or output device? (a) an input device (b) a storage device (c) an output device
16. 16.What does it mean to delete a file? (a) store your work (b) get rid of it (c) keep your work for later (d) make a brand-new one
17. 17.🔍 Which is the odd one out? (a) a typing tutor (b) a computer game (c) a pen drive (d) a music player app
18. 18.Which file ending is a picture? (a) .txt (b) .pdf (c) .wav (d) .png
19. 19.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 5 (d) 9
20. 20.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
21. 21.True or false: a typing tutor is hardware. (a) True (b) False
22. 22.Which of these is an output device? (a) speaker (b) solid-state drive (c) mouse (d) keyboard
23. 23.Which of these is software? (a) a scanner (b) a webcam (c) a hard disk (d) a web browser
24. 24.💾 How many GB are there in 2 TB?
25. 25.Which file ending is a video? (a) .jpg (b) .mp3 (c) .avi (d) .wav
26. 26.🧩 Is a printer hardware or software? (a) software (b) hardware
27. 27.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+C (d) Ctrl+Z
28. 28.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) create (c) rename (d) save
29. 29.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a picture (c) a document (d) a sound
30. 30.🔍 Which is the odd one out? (a) hard disk (b) pen drive (c) projector (d) memory card
31. 31.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions
32. 32.💾 Which is smaller: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
33. 33.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) is permanent storage (c) is the working memory (d) loses data when off
34. 34.🧩 Is a webcam hardware or software? (a) software (b) hardware
35. 35.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
36. 36.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) keeps photos for years (c) loses data when off (d) holds apps that are open
37. 37.True or false: RAM is permanent storage. (a) False (b) True
38. 38.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) select all (c) undo (d) print
39. 39.True or false: a hard disk is software. (a) True (b) False
40. 40.True or false: a hard disk is an input device. (a) True (b) False

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