Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 802 · 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 printer hardware or software? (a) software (b) hardware
2. 2.Which shortcut do we press to select all? (a) Ctrl+Y (b) Ctrl+S (c) Ctrl+V (d) Ctrl+A
3. 3.🔍 Which is the odd one out? (a) solid-state drive (b) pen drive (c) projector (d) memory card
4. 4.🧩 Is a webcam hardware or software? (a) hardware (b) software
5. 5.Which shortcut do we press to cut? (a) Ctrl+Z (b) Ctrl+C (c) Ctrl+X (d) Ctrl+V
6. 6.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) byte (d) bit
7. 7.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
8. 8.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
9. 9.Which of these is true of RAM? (a) keeps your saved files (b) keeps data when off (c) keeps photos for years (d) is the working memory
10. 10.💾 Which is smaller: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
11. 11.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Print (c) Undo (d) Cut
12. 12.True or false: a music player app is hardware. (a) True (b) False
13. 13.🧰 Is a scanner a storage, input or output device? (a) an output device (b) an input device (c) a storage device
14. 14.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
15. 15.🔍 Which is the odd one out? (a) a hard disk (b) a webcam (c) a scanner (d) a music player app
16. 16.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
17. 17.⚡ Which is faster for the computer to work with? (a) RAM (b) a pen drive (c) a memory card (d) a printer
18. 18.True or false: Ctrl+Y is the shortcut to copy. (a) True (b) False
19. 19.True or false: a speaker is software. (a) True (b) False
20. 20.Which file ending is a picture? (a) .png (b) .wav (c) .mp4 (d) .pdf
21. 21.Which shortcut do we press to print? (a) Ctrl+S (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+P
22. 22.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
23. 23.True or false: a mouse is an input device. (a) False (b) True
24. 24.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 1 (d) 2
25. 25.✋ Which can we touch: hardware or software? (a) hardware (b) software
26. 26.💾 Which is smaller: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
27. 27.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
28. 28.Which file ending is a video? (a) .avi (b) .gif (c) .mp3 (d) .png
29. 29.What does it mean to rename a file? (a) throw it away (b) change its name (c) put it in another place (d) see what is inside
30. 30.🔍 Which is the odd one out? (a) keyboard (b) monitor (c) printer (d) projector
31. 31.True or false: a keyboard is a storage device. (a) True (b) False
32. 32.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
33. 33.💾 Which is bigger: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
34. 34.True or false: RAM keeps data when off. (a) True (b) False
35. 35.🧰 Is a mouse a storage, input or output device? (a) an output device (b) an input device (c) a storage device
36. 36.What does it mean to copy a file? (a) get rid of it (b) give it a new name (c) store your work (d) make an exact twin
37. 37.True or false: a webcam is hardware. (a) True (b) False
38. 38.True or false: RAM keeps your saved files. (a) False (b) True
39. 39.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) select all (c) copy (d) print
40. 40.💾 How many bits are there in 5 bytes?

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