Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 550 · 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+C do? (a) save (b) copy (c) undo (d) redo
2. 2.📁 Which word means to “keep your work for later” (for a file or folder)? (a) copy (b) delete (c) rename (d) save
3. 3.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) is the working memory (d) keeps your saved files
4. 4.💾 How many GB are there in 1 TB?
5. 5.📄 What does a word processor help us do? (a) water plants (b) type and edit text (c) fly a kite (d) cook food
6. 6.Which of these is an output device? (a) pen drive (b) printer (c) scanner (d) microphone
7. 7.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
8. 8.Which file ending is a picture? (a) .mkv (b) .mp4 (c) .gif (d) .avi
9. 9.💾 How many MB are there in 2 GB?
10. 10.Which of these is hardware? (a) a web browser (b) a webcam (c) an operating system (d) a word processor
11. 11.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Print (c) Delete (d) Undo
12. 12.⌨️ In a word processor, what does Ctrl+S do? (a) print (b) select all (c) save (d) paste
13. 13.📄 A file name ends in .png. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
14. 14.🔍 Which is the odd one out? (a) a web browser (b) a pen drive (c) a printer (d) a keyboard
15. 15.True or false: a speaker is software. (a) True (b) False
16. 16.🧰 Is a pen drive a storage, input or output device? (a) a storage device (b) an output device (c) an input device
17. 17.True or false: to delete a file means to make an exact twin. (a) True (b) False
18. 18.💾 How many bits are there in 12 bytes?
19. 19.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
20. 20.📁 What do we call a folder inside another folder? (a) a printer (b) a subfolder (c) a big file (d) an icon
21. 21.🧩 Is a keyboard hardware or software? (a) software (b) hardware
22. 22.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
23. 23.True or false: Ctrl+C is the shortcut to redo. (a) True (b) False
24. 24.Which shortcut do we press to cut? (a) Ctrl+Z (b) Ctrl+P (c) Ctrl+X (d) Ctrl+C
25. 25.💾 Which is bigger: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
26. 26.What does it mean to copy a file? (a) get rid of it (b) make a brand-new one (c) store your work (d) make an exact twin
27. 27.True or false: to save a file means to store your work. (a) False (b) True
28. 28.🧩 Is an operating system hardware or software? (a) hardware (b) software
29. 29.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
30. 30.True or false: a keyboard is hardware. (a) True (b) False
31. 31.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) save (c) print (d) select all
32. 32.True or false: a music player app is hardware. (a) False (b) True
33. 33.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
34. 34.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
35. 35.🔍 Which is the odd one out? (a) a mouse (b) a word processor (c) a scanner (d) a webcam
36. 36.Which of these is hardware? (a) a paint program (b) a hard disk (c) a computer game (d) a word processor
37. 37.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Cut (c) Delete (d) Redo
38. 38.📁 Which word means to “put it in another place” (for a file or folder)? (a) copy (b) move (c) create (d) delete
39. 39.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
40. 40.Which of these is hardware? (a) a mouse (b) a paint program (c) a music player app (d) an operating system

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