Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 852 · 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: Ctrl+Z is the shortcut to undo. (a) False (b) True
2. 2.💾 How many GB are there in 2 TB?
3. 3.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
4. 4.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Undo (d) Save
5. 5.Which file ending is a video? (a) .wav (b) .gif (c) .pdf (d) .mp4
6. 6.Which file ending is a document? (a) .mp3 (b) .txt (c) .mkv (d) .avi
7. 7.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) programmers (d) farmers
8. 8.Which file ending is a picture? (a) .png (b) .mp3 (c) .mkv (d) .avi
9. 9.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a pixel (d) a folder
10. 10.🧩 Is a printer hardware or software? (a) software (b) hardware
11. 11.True or false: Ctrl+C is the shortcut to undo. (a) True (b) False
12. 12.True or false: a memory card is a storage device. (a) False (b) True
13. 13.⚡ Which is faster for the computer to work with? (a) a pen drive (b) RAM (c) a printer (d) a memory card
14. 14.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+X (c) Ctrl+P (d) Ctrl+S
15. 15.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) byte (d) KB
16. 16.🔍 Which is the odd one out? (a) a monitor (b) a scanner (c) a typing tutor (d) a webcam
17. 17.True or false: Ctrl+P is the shortcut to copy. (a) False (b) True
18. 18.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
19. 19.✋ Which can we touch: hardware or software? (a) hardware (b) software
20. 20.🔍 Which is the odd one out? (a) scanner (b) pen drive (c) keyboard (d) mouse
21. 21.🔍 Which is the odd one out? (a) a web browser (b) an operating system (c) a paint program (d) a scanner
22. 22.🧩 Is a word processor hardware or software? (a) software (b) hardware
23. 23.Which of these is software? (a) a webcam (b) a monitor (c) a calculator app (d) a pen drive
24. 24.🔍 Which is the odd one out? (a) a keyboard (b) a hard disk (c) a webcam (d) an operating system
25. 25.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
26. 26.💾 How many KB are there in 4 MB?
27. 27.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the cursor (c) the folder (d) the icon
28. 28.📁 Which word means to “put it in another place” (for a file or folder)? (a) create (b) open (c) move (d) delete
29. 29.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
30. 30.Which of these is hardware? (a) a computer game (b) a hard disk (c) a calculator app (d) a word processor
31. 31.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an input device (c) an output device
32. 32.True or false: Ctrl+P is the shortcut to select all. (a) True (b) False
33. 33.Which of these is true of RAM? (a) is permanent storage (b) keeps your saved files (c) is temporary memory (d) keeps photos for years
34. 34.🧩 Is a music player app hardware or software? (a) hardware (b) software
35. 35.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
36. 36.True or false: a monitor is an input device. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) a mouse (b) a scanner (c) a calculator app (d) a monitor
38. 38.True or false: Ctrl+X is the shortcut to copy. (a) True (b) False
39. 39.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Copy (c) Delete (d) Redo
40. 40.📁 Which word means to “store your work” (for a file or folder)? (a) copy (b) save (c) create (d) move

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