Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 375 · 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.📁 Which word means to “change its name” (for a file or folder)? (a) delete (b) rename (c) move (d) open
2. 2.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
3. 3.🧰 Is a hard disk a storage, input or output device? (a) an output device (b) an input device (c) a storage device
4. 4.True or false: Ctrl+C is the shortcut to redo. (a) False (b) True
5. 5.True or false: an operating system is hardware. (a) True (b) False
6. 6.🔍 Which is the odd one out? (a) a speaker (b) a webcam (c) an operating system (d) a printer
7. 7.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) keeps photos for years (d) is the working memory
8. 8.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
9. 9.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) keyboard (c) speaker (d) memory card
10. 10.💾 How many MB are there in 1 GB?
11. 11.🧩 Is an operating system hardware or software? (a) software (b) hardware
12. 12.Which file ending is a picture? (a) .mp4 (b) .jpg (c) .avi (d) .mkv
13. 13.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
14. 14.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
15. 15.True or false: Ctrl+Z is the shortcut to save. (a) True (b) False
16. 16.Which shortcut do we press to select all? (a) Ctrl+S (b) Ctrl+V (c) Ctrl+Z (d) Ctrl+A
17. 17.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False
18. 18.🧩 Is a webcam hardware or software? (a) software (b) hardware
19. 19.🧰 Is a pen drive a storage, input or output device? (a) a storage device (b) an output device (c) an input device
20. 20.Which of these is hardware? (a) a typing tutor (b) a word processor (c) a paint program (d) a pen drive
21. 21.True or false: a scanner is a storage device. (a) True (b) False
22. 22.True or false: a webcam is software. (a) True (b) False
23. 23.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
24. 24.Which of these is hardware? (a) a scanner (b) a web browser (c) a computer game (d) a typing tutor
25. 25.📁 Which word means to “put it in another place” (for a file or folder)? (a) move (b) copy (c) rename (d) open
26. 26.Which shortcut do we press to cut? (a) Ctrl+P (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+X
27. 27.True or false: to copy a file means to give it a new name. (a) False (b) True
28. 28.True or false: a computer game is hardware. (a) False (b) True
29. 29.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
30. 30.✋ Which can we touch: hardware or software? (a) hardware (b) software
31. 31.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) wires (d) instructions
32. 32.Which of these is hardware? (a) a word processor (b) a paint program (c) a music player app (d) a mouse
33. 33.💾 How many GB are there in 2 TB?
34. 34.🔍 Which is the odd one out? (a) a keyboard (b) a music player app (c) a mouse (d) a hard disk
35. 35.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a mouse (c) a pixel (d) a speaker
36. 36.🔍 Which is the odd one out? (a) a keyboard (b) a web browser (c) a calculator app (d) a word processor
37. 37.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Undo (c) Delete (d) Copy
38. 38.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
39. 39.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) save (c) paste (d) print
40. 40.🔍 Which is the odd one out? (a) a music player app (b) a scanner (c) a calculator app (d) a paint program

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