Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 590 · 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 of these is an output device? (a) solid-state drive (b) microphone (c) printer (d) mouse
2. 2.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) cut (c) redo (d) select all
3. 3.🧩 Is a computer game hardware or software? (a) hardware (b) software
4. 4.True or false: a computer game is software. (a) True (b) False
5. 5.💾 Which is bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
6. 6.Which file ending is a video? (a) .txt (b) .pdf (c) .mp3 (d) .mkv
7. 7.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a big file (d) a subfolder
8. 8.🧰 Is a mouse a storage, input or output device? (a) an input device (b) a storage device (c) an output device
9. 9.🧩 Is an operating system hardware or software? (a) hardware (b) software
10. 10.🧰 Is a microphone a storage, input or output device? (a) an input device (b) an output device (c) a storage device
11. 11.True or false: Ctrl+V is the shortcut to select all. (a) False (b) True
12. 12.📁 Which word means to “see what is inside” (for a file or folder)? (a) create (b) move (c) delete (d) open
13. 13.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
14. 14.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) farmers (d) tailors
15. 15.💾 Which is smaller: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
16. 16.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a folder (c) a mouse (d) a speaker
17. 17.🔍 Which is the odd one out? (a) a webcam (b) a pen drive (c) a mouse (d) a music player app
18. 18.True or false: Ctrl+S is the shortcut to redo. (a) False (b) True
19. 19.True or false: to rename a file means to see what is inside. (a) False (b) True
20. 20.💾 How many bits are there in 8 bytes?
21. 21.💾 Which is smaller: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
22. 22.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) undo (c) select all (d) paste
23. 23.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
24. 24.✋ Which can we touch: hardware or software? (a) hardware (b) software
25. 25.What does it mean to delete a file? (a) change its name (b) see what is inside (c) throw it away (d) make an exact twin
26. 26.What does it mean to move a file? (a) get rid of it (b) put it in another place (c) change its name (d) make an exact twin
27. 27.📁 Which word means to “get rid of it” (for a file or folder)? (a) move (b) copy (c) delete (d) create
28. 28.💾 How many GB are there in 1 TB?
29. 29.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
30. 30.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False
31. 31.True or false: a speaker is an output device. (a) False (b) True
32. 32.🔍 Which is the odd one out? (a) scanner (b) keyboard (c) projector (d) mouse
33. 33.True or false: to delete a file means to throw it away. (a) True (b) False
34. 34.💾 Which is bigger: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
35. 35.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) create (b) open (c) rename (d) move
36. 36.💾 How many bytes are there in 1 KB?
37. 37.True or false: a speaker is software. (a) True (b) False
38. 38.True or false: a keyboard is hardware. (a) False (b) True
39. 39.💾 How many bytes are there in 3 KB?
40. 40.Which of these is a storage device? (a) monitor (b) keyboard (c) microphone (d) hard disk

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