Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 482 · 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 bigger: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
2. 2.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) taste (d) smell
3. 3.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) tailors (d) programmers
4. 4.🧩 Is a calculator app hardware or software? (a) hardware (b) software
5. 5.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
6. 6.📄 A file name ends in .mp4. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
7. 7.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
8. 8.Which of these is hardware? (a) a calculator app (b) a paint program (c) a monitor (d) a web browser
9. 9.💾 Which is bigger: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
10. 10.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) undo (c) paste (d) select all
11. 11.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) save (c) undo (d) paste
12. 12.Which shortcut do we press to copy? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+C (d) Ctrl+A
13. 13.🧩 Is a music player app hardware or software? (a) hardware (b) software
14. 14.🧩 Is a printer hardware or software? (a) software (b) hardware
15. 15.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) cut (c) select all (d) print
16. 16.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
17. 17.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
18. 18.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
19. 19.🧩 Is a monitor hardware or software? (a) hardware (b) software
20. 20.☁️ Saving files on the internet to use from anywhere is called ___. (a) cloud storage (b) box storage (c) paper storage (d) rain storage
21. 21.📄 A file name ends in .png. What is it most likely? (a) a video (b) a picture (c) a document (d) a sound
22. 22.🔍 Which is the odd one out? (a) printer (b) speaker (c) pen drive (d) projector
23. 23.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) open (b) create (c) rename (d) delete
24. 24.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) print (c) save (d) select
25. 25.Which shortcut do we press to undo? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+A
26. 26.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
27. 27.🧾 Software is a set of ___ for the computer. (a) wires (b) buttons (c) screws (d) instructions
28. 28.🧩 Is a keyboard hardware or software? (a) software (b) hardware
29. 29.Which shortcut do we press to cut? (a) Ctrl+Y (b) Ctrl+S (c) Ctrl+X (d) Ctrl+C
30. 30.Which file ending is a sound? (a) .pdf (b) .txt (c) .gif (d) .mp3
31. 31.True or false: a music player app is hardware. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) mouse (b) scanner (c) speaker (d) keyboard
33. 33.📁 Which word means to “see what is inside” (for a file or folder)? (a) move (b) create (c) open (d) delete
34. 34.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a pixel (d) a folder
35. 35.Which shortcut do we press to select all? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+C (d) Ctrl+A
36. 36.Which of these is software? (a) an operating system (b) a hard disk (c) a mouse (d) a webcam
37. 37.✋ Which can we touch: hardware or software? (a) hardware (b) software
38. 38.🔍 Which is the odd one out? (a) a keyboard (b) a paint program (c) a music player app (d) an operating system
39. 39.True or false: to delete a file means to throw it away. (a) False (b) True
40. 40.Which of these is hardware? (a) a word processor (b) a scanner (c) an operating system (d) a web browser

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