Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 553 · 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.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
2. 2.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+V (d) Ctrl+S
3. 3.📁 What do we call a folder inside another folder? (a) a big file (b) an icon (c) a printer (d) a subfolder
4. 4.💾 How many KB are there in 1 MB?
5. 5.True or false: a hard disk is an output device. (a) True (b) False
6. 6.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
7. 7.Which of these is a storage device? (a) mouse (b) monitor (c) memory card (d) scanner
8. 8.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
9. 9.Which shortcut do we press to undo? (a) Ctrl+X (b) Ctrl+C (c) Ctrl+Y (d) Ctrl+Z
10. 10.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
11. 11.🧩 Is a scanner hardware or software? (a) software (b) hardware
12. 12.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) byte (d) bit
13. 13.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
14. 14.Which of these is true of RAM? (a) is permanent storage (b) keeps data when off (c) holds apps that are open (d) keeps your saved files
15. 15.🔍 Which is the odd one out? (a) a word processor (b) a pen drive (c) a typing tutor (d) a music player app
16. 16.✋ Which can we touch: hardware or software? (a) software (b) hardware
17. 17.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Undo (c) Copy (d) Cut
18. 18.True or false: a keyboard is an input device. (a) True (b) False
19. 19.🧩 Is a monitor hardware or software? (a) software (b) hardware
20. 20.What does it mean to open a file? (a) change its name (b) make an exact twin (c) put it in another place (d) see what is inside
21. 21.💾 Which is bigger: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
22. 22.True or false: an operating system is software. (a) True (b) False
23. 23.True or false: a paint program is software. (a) False (b) True
24. 24.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+C (d) Ctrl+Z
25. 25.Which of these is a storage device? (a) scanner (b) monitor (c) pen drive (d) speaker
26. 26.What does it mean to copy a file? (a) put it in another place (b) throw it away (c) get rid of it (d) make an exact twin
27. 27.True or false: a scanner is an input device. (a) True (b) False
28. 28.🔍 Which is the odd one out? (a) projector (b) hard disk (c) solid-state drive (d) pen drive
29. 29.🧰 Is a solid-state drive a storage, input or output device? (a) an output device (b) a storage device (c) an input device
30. 30.⌨️ In a word processor, what does Ctrl+V do? (a) undo (b) paste (c) print (d) save
31. 31.🔍 Which is the odd one out? (a) a monitor (b) a hard disk (c) a calculator app (d) a printer
32. 32.True or false: Ctrl+Z is the shortcut to paste. (a) False (b) True
33. 33.True or false: storage (like a hard disk) keeps data when off. (a) False (b) True
34. 34.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) instructions (d) wires
35. 35.💾 How many MB are there in 2 GB?
36. 36.🧰 Is a hard disk a storage, input or output device? (a) an output device (b) an input device (c) a storage device
37. 37.True or false: a pen drive is software. (a) False (b) True
38. 38.💾 How many MB are there in 1 GB?
39. 39.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
40. 40.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+Z (d) Ctrl+Y

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