Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 148 · 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.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) paste (c) save (d) undo
2. 2.✋ Which can we touch: hardware or software? (a) software (b) hardware
3. 3.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
4. 4.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) undo (c) print (d) select all
5. 5.🧩 Is a paint program hardware or software? (a) hardware (b) software
6. 6.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
7. 7.📄 A file name ends in .pdf. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
8. 8.💾 Which is bigger: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
9. 9.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
10. 10.Which of these is hardware? (a) a webcam (b) a typing tutor (c) a music player app (d) a word processor
11. 11.True or false: a webcam is software. (a) True (b) False
12. 12.☁️ Saving files on the internet to use from anywhere is called ___. (a) rain storage (b) cloud storage (c) box storage (d) paper storage
13. 13.▌ What is the blinking line that shows where you will type? (a) the icon (b) the toolbar (c) the folder (d) the cursor
14. 14.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
15. 15.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+P (c) Ctrl+Y (d) Ctrl+X
16. 16.🔍 Which is the odd one out? (a) scanner (b) printer (c) mouse (d) keyboard
17. 17.🧩 Is a hard disk hardware or software? (a) hardware (b) software
18. 18.📁 Which word means to “change its name” (for a file or folder)? (a) create (b) save (c) delete (d) rename
19. 19.📄 A file name ends in .txt. What is it most likely? (a) a video (b) a picture (c) a document (d) a sound
20. 20.What does it mean to open a file? (a) store your work (b) change its name (c) see what is inside (d) keep your work for later
21. 21.👩‍💻 What do we call people who write software? (a) farmers (b) programmers (c) plumbers (d) tailors
22. 22.What does it mean to rename a file? (a) store your work (b) throw it away (c) change its name (d) get rid of it
23. 23.Which shortcut do we press to print? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+Y (d) Ctrl+P
24. 24.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
25. 25.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
26. 26.Which of these is a storage device? (a) projector (b) memory card (c) scanner (d) microphone
27. 27.Which file ending is a picture? (a) .jpg (b) .pdf (c) .mp4 (d) .mp3
28. 28.💾 How many bits are there in 1 byte?
29. 29.🔍 Which is the odd one out? (a) solid-state drive (b) pen drive (c) hard disk (d) monitor
30. 30.Which file ending is a document? (a) .avi (b) .mp4 (c) .pdf (d) .mkv
31. 31.Which of these is software? (a) a music player app (b) a monitor (c) a keyboard (d) a speaker
32. 32.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
33. 33.True or false: a projector is an output device. (a) False (b) True
34. 34.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) an icon (d) a printer
35. 35.💾 Which is bigger: 1 KB or 1 MB? (a) 1 KB (b) 1 MB
36. 36.💾 How many bytes are there in 3 KB?
37. 37.💾 How many KB are there in 3 MB?
38. 38.🔍 Which is the odd one out? (a) speaker (b) mouse (c) projector (d) monitor
39. 39.🔍 Which is the odd one out? (a) an operating system (b) a speaker (c) a paint program (d) a web browser
40. 40.🔍 Which is the odd one out? (a) solid-state drive (b) keyboard (c) memory card (d) pen drive

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