Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 255 · 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.🧰 Is a speaker a storage, input or output device? (a) a storage device (b) an output device (c) an input device
2. 2.⌨️ In a word processor, what does Ctrl+Y do? (a) cut (b) print (c) paste (d) redo
3. 3.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) move (c) open (d) save
4. 4.🧩 Is a hard disk hardware or software? (a) software (b) hardware
5. 5.Which file ending is a picture? (a) .gif (b) .wav (c) .mp4 (d) .mp3
6. 6.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
7. 7.True or false: a webcam is software. (a) False (b) True
8. 8.Which of these is an input device? (a) pen drive (b) speaker (c) projector (d) scanner
9. 9.🔍 Which is the odd one out? (a) memory card (b) pen drive (c) microphone (d) solid-state drive
10. 10.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
11. 11.🧩 Is a scanner hardware or software? (a) hardware (b) software
12. 12.Which file ending is a video? (a) .txt (b) .mkv (c) .jpg (d) .gif
13. 13.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
14. 14.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Redo (c) Delete (d) Cut
15. 15.Which shortcut do we press to save? (a) Ctrl+V (b) Ctrl+X (c) Ctrl+A (d) Ctrl+S
16. 16.🧩 Is a speaker hardware or software? (a) hardware (b) software
17. 17.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) buttons (d) wires
18. 18.📁 Which word means to “store your work” (for a file or folder)? (a) save (b) open (c) move (d) copy
19. 19.True or false: to rename a file means to throw it away. (a) False (b) True
20. 20.✋ Which can we touch: hardware or software? (a) hardware (b) software
21. 21.Which of these is hardware? (a) an operating system (b) a typing tutor (c) a web browser (d) a keyboard
22. 22.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) rename (b) create (c) open (d) delete
23. 23.🔍 Which is the odd one out? (a) a mouse (b) a computer game (c) a typing tutor (d) an operating system
24. 24.True or false: a calculator app is hardware. (a) True (b) False
25. 25.🧩 Is an operating system hardware or software? (a) hardware (b) software
26. 26.True or false: to save a file means to keep your work for later. (a) True (b) False
27. 27.🧩 Is a computer game hardware or software? (a) hardware (b) software
28. 28.Which shortcut do we press to copy? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+V (d) Ctrl+C
29. 29.Which of these is software? (a) a speaker (b) an operating system (c) a pen drive (d) a keyboard
30. 30.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Undo (c) Copy (d) Save
31. 31.⌨️ In a word processor, what does Ctrl+Z do? (a) paste (b) select all (c) cut (d) undo
32. 32.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) undo (c) redo (d) cut
33. 33.💾 How many bytes are there in 1 KB?
34. 34.🔍 Which is the odd one out? (a) microphone (b) keyboard (c) monitor (d) scanner
35. 35.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
36. 36.🧰 Is a memory card a storage, input or output device? (a) an input device (b) a storage device (c) an output device
37. 37.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) open (c) copy (d) delete
38. 38.Which file ending is a video? (a) .mp4 (b) .mp3 (c) .pdf (d) .txt
39. 39.💾 Which is bigger: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
40. 40.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage

Free computer lessons, practice and worksheets at talentjr.in/computer-worksheets