Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 418 · 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.True or false: a printer is software. (a) False (b) True
2. 2.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+V (c) Ctrl+C (d) Ctrl+A
3. 3.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a mouse (c) a pixel (d) a speaker
4. 4.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) copy (c) undo (d) select all
5. 5.📁 Which word means to “get rid of it” (for a file or folder)? (a) delete (b) move (c) open (d) create
6. 6.🧩 Is a monitor hardware or software? (a) software (b) hardware
7. 7.📄 A file name ends in .mkv. What is it most likely? (a) a video (b) a picture (c) a document (d) a sound
8. 8.True or false: a projector is an input device. (a) False (b) True
9. 9.🧩 Is a calculator app hardware or software? (a) hardware (b) software
10. 10.True or false: to copy a file means to get rid of it. (a) True (b) False
11. 11.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a subfolder (d) a printer
12. 12.🧩 Is a music player app hardware or software? (a) software (b) hardware
13. 13.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 2 (d) 9
14. 14.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) the pen drive (c) RAM (d) the hard disk
15. 15.📷 A camera keeps its photos on a small ___. (a) speaker (b) keyboard (c) mouse pad (d) memory card
16. 16.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+I (c) Ctrl+B (d) Ctrl+U
17. 17.True or false: a keyboard is hardware. (a) True (b) False
18. 18.💾 How many KB are there in 3 MB?
19. 19.👩‍💻 What do we call people who write software? (a) farmers (b) plumbers (c) tailors (d) programmers
20. 20.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
21. 21.💾 Which is smaller: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
22. 22.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
23. 23.Which of these is software? (a) a music player app (b) a mouse (c) a hard disk (d) a keyboard
24. 24.🧰 Is a projector a storage, input or output device? (a) an output device (b) a storage device (c) an input device
25. 25.True or false: to delete a file means to change its name. (a) True (b) False
26. 26.💾 Which is smaller: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
27. 27.🏷️ Every file has a ___ so we can find it. (a) weight (b) smell (c) taste (d) name
28. 28.🧰 Is a hard disk a storage, input or output device? (a) a storage device (b) an input device (c) an output device
29. 29.🔍 Which is the odd one out? (a) a music player app (b) a calculator app (c) a paint program (d) a mouse
30. 30.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
31. 31.✋ Which can we touch: hardware or software? (a) software (b) hardware
32. 32.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) undo (c) select all (d) cut
33. 33.💾 How many KB are there in 1 MB?
34. 34.True or false: a hard disk is an input device. (a) True (b) False
35. 35.📄 A file name ends in .wav. What is it most likely? (a) a document (b) a picture (c) a sound (d) a video
36. 36.Which shortcut do we press to undo? (a) Ctrl+S (b) Ctrl+Z (c) Ctrl+X (d) Ctrl+C
37. 37.💾 How many bytes are there in 1 KB?
38. 38.⌨️ In a word processor, what does Ctrl+X do? (a) undo (b) cut (c) copy (d) select all
39. 39.Which file ending is a video? (a) .pdf (b) .png (c) .mp4 (d) .txt
40. 40.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB

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