Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 883 · 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 hardware or software? (a) software (b) hardware
2. 2.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) select all (c) print (d) undo
3. 3.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Cut (d) Print
4. 4.Which shortcut do we press to print? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+X (d) Ctrl+P
5. 5.What does it mean to create a file? (a) get rid of it (b) put it in another place (c) store your work (d) make a brand-new one
6. 6.Which of these is software? (a) a music player app (b) a printer (c) a monitor (d) a mouse
7. 7.Which file ending is a document? (a) .jpg (b) .mp3 (c) .mp4 (d) .txt
8. 8.💾 How many bits are there in 5 bytes?
9. 9.True or false: Ctrl+X is the shortcut to paste. (a) False (b) True
10. 10.💾 How many MB are there in 3 GB?
11. 11.💾 How many bits are there in 3 bytes?
12. 12.Which file ending is a video? (a) .jpg (b) .mp3 (c) .mkv (d) .txt
13. 13.Which of these is a storage device? (a) mouse (b) projector (c) printer (d) memory card
14. 14.🔍 Which is the odd one out? (a) monitor (b) projector (c) microphone (d) printer
15. 15.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
16. 16.True or false: a monitor is a storage device. (a) False (b) True
17. 17.💾 Which is smaller: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
18. 18.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) GB (d) byte
19. 19.True or false: to rename a file means to change its name. (a) True (b) False
20. 20.💾 Which is smaller: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
21. 21.True or false: a solid-state drive is a storage device. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) a mouse (b) a webcam (c) a keyboard (d) a music player app
23. 23.⚡ Which is faster for the computer to work with? (a) RAM (b) a printer (c) a pen drive (d) a memory card
24. 24.🧰 Is a keyboard a storage, input or output device? (a) an output device (b) an input device (c) a storage device
25. 25.✋ Which can we touch: hardware or software? (a) software (b) hardware
26. 26.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+X (d) Ctrl+Y
27. 27.💾 Which is smaller: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
28. 28.True or false: Ctrl+P is the shortcut to select all. (a) False (b) True
29. 29.True or false: a keyboard is hardware. (a) True (b) False
30. 30.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 2 (d) 5
31. 31.What does it mean to copy a file? (a) make a brand-new one (b) make an exact twin (c) change its name (d) give it a new name
32. 32.True or false: a microphone is an input device. (a) False (b) True
33. 33.💾 Which is smaller: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
34. 34.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) tailors (d) plumbers
35. 35.📄 A file name ends in .jpg. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
36. 36.Which of these is a storage device? (a) keyboard (b) microphone (c) monitor (d) solid-state drive
37. 37.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
38. 38.🧩 Is a hard disk hardware or software? (a) hardware (b) software
39. 39.True or false: Ctrl+C is the shortcut to save. (a) True (b) False
40. 40.💾 Which is smaller: 1 bit or 1 TB? (a) 1 TB (b) 1 bit

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