Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 566 · 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 pen drive a storage, input or output device? (a) an input device (b) a storage device (c) an output device
2. 2.🔍 Which is the odd one out? (a) keyboard (b) projector (c) scanner (d) mouse
3. 3.Which of these is an input device? (a) printer (b) hard disk (c) scanner (d) memory card
4. 4.🧩 Is a webcam hardware or software? (a) software (b) hardware
5. 5.💾 Which is bigger: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
6. 6.📁 Which word means to “change its name” (for a file or folder)? (a) save (b) rename (c) create (d) open
7. 7.Which of these is true of RAM? (a) keeps data when off (b) keeps photos for years (c) is the working memory (d) keeps your saved files
8. 8.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
9. 9.True or false: a projector is an input device. (a) True (b) False
10. 10.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
11. 11.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 9 (d) 2
12. 12.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) redo (c) select all (d) print
13. 13.✋ Which can we touch: hardware or software? (a) software (b) hardware
14. 14.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+X
15. 15.💾 How many GB are there in 1 TB?
16. 16.Which shortcut do we press to undo? (a) Ctrl+Y (b) Ctrl+A (c) Ctrl+Z (d) Ctrl+S
17. 17.True or false: storage (like a hard disk) keeps data when off. (a) False (b) True
18. 18.💾 Which is bigger: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
19. 19.🔍 Which is the odd one out? (a) a monitor (b) an operating system (c) a pen drive (d) a keyboard
20. 20.💾 How many bits are there in 10 bytes?
21. 21.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False
22. 22.What does it mean to rename a file? (a) make an exact twin (b) make a brand-new one (c) give it a new name (d) keep your work for later
23. 23.True or false: storage (like a hard disk) is permanent storage. (a) True (b) False
24. 24.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the folder (c) the toolbar (d) the icon
25. 25.🧩 Is a typing tutor hardware or software? (a) software (b) hardware
26. 26.True or false: an operating system is hardware. (a) False (b) True
27. 27.What does it mean to create a file? (a) throw it away (b) make a brand-new one (c) see what is inside (d) get rid of it
28. 28.🔍 Which is the odd one out? (a) memory card (b) hard disk (c) pen drive (d) speaker
29. 29.🔍 Which is the odd one out? (a) a mouse (b) a word processor (c) a computer game (d) a music player app
30. 30.Which shortcut do we press to cut? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+X
31. 31.⌨️ In a word processor, what does Ctrl+Y do? (a) cut (b) redo (c) undo (d) copy
32. 32.🧩 Is a scanner hardware or software? (a) software (b) hardware
33. 33.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) keeps your saved files (c) is the working memory (d) holds apps that are open
34. 34.🧩 Is a computer game hardware or software? (a) software (b) hardware
35. 35.True or false: a projector is a storage device. (a) True (b) False
36. 36.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
37. 37.True or false: to save a file means to give it a new name. (a) False (b) True
38. 38.💾 Which is bigger: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
39. 39.🧾 Software is a set of ___ for the computer. (a) instructions (b) wires (c) screws (d) buttons
40. 40.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a folder (c) a mouse (d) a speaker

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