Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 242 · 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+S do? (a) undo (b) paste (c) save (d) select all
2. 2.💾 Which is bigger: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
3. 3.True or false: a pen drive is hardware. (a) False (b) True
4. 4.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Print (c) Delete (d) Undo
5. 5.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) KB (d) GB
6. 6.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
7. 7.💾 Which is smaller: 1 TB or 1 MB? (a) 1 MB (b) 1 TB
8. 8.Which file ending is a document? (a) .avi (b) .mp4 (c) .pdf (d) .png
9. 9.🧩 Is a monitor hardware or software? (a) software (b) hardware
10. 10.What does it mean to delete a file? (a) see what is inside (b) change its name (c) throw it away (d) keep your work for later
11. 11.🧩 Is a word processor hardware or software? (a) software (b) hardware
12. 12.💾 How many bits are there in 2 bytes?
13. 13.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
14. 14.🧩 Is a paint program hardware or software? (a) software (b) hardware
15. 15.📁 Which word means to “put it in another place” (for a file or folder)? (a) move (b) create (c) delete (d) save
16. 16.💾 Which one keeps data when off: RAM or storage? (a) storage (b) RAM
17. 17.True or false: a pen drive is software. (a) True (b) False
18. 18.🧩 Is a webcam hardware or software? (a) hardware (b) software
19. 19.Which of these is hardware? (a) a pen drive (b) a word processor (c) a paint program (d) a computer game
20. 20.🔍 Which is the odd one out? (a) a pen drive (b) a computer game (c) a paint program (d) a music player app
21. 21.What does it mean to move a file? (a) make a brand-new one (b) store your work (c) keep your work for later (d) put it in another place
22. 22.Which of these is software? (a) a music player app (b) a monitor (c) a printer (d) a mouse
23. 23.📄 What does a word processor help us do? (a) water plants (b) fly a kite (c) type and edit text (d) cook food
24. 24.📄 A file name ends in .gif. What is it most likely? (a) a picture (b) a video (c) a sound (d) a document
25. 25.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
26. 26.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) copy (c) undo (d) cut
27. 27.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 5 (d) 9
28. 28.💾 Which is bigger: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
29. 29.True or false: a hard disk is a storage device. (a) False (b) True
30. 30.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) cut (c) copy (d) paste
31. 31.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a subfolder (d) a printer
32. 32.📄 A file name ends in .mp4. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
33. 33.💾 Which is bigger: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
34. 34.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a speaker (c) a pixel (d) a mouse
35. 35.True or false: a mouse is hardware. (a) False (b) True
36. 36.⌨️ In a word processor, what does Ctrl+Z do? (a) print (b) paste (c) undo (d) copy
37. 37.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
38. 38.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
39. 39.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Backspace (c) Copy (d) Delete
40. 40.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document

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