Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 935 · 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 is the odd one out? (a) microphone (b) monitor (c) mouse (d) scanner
2. 2.💾 Which is bigger: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
3. 3.💾 How many bytes are there in 2 KB?
4. 4.💾 Which is bigger: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
5. 5.Which file ending is a video? (a) .gif (b) .mp3 (c) .jpg (d) .mp4
6. 6.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
7. 7.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
8. 8.🔍 Which is the odd one out? (a) monitor (b) speaker (c) printer (d) scanner
9. 9.Which file ending is a picture? (a) .mp4 (b) .wav (c) .png (d) .mkv
10. 10.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Delete (c) Undo (d) Cut
11. 11.True or false: a hard disk is a storage device. (a) True (b) False
12. 12.🧩 Is a monitor hardware or software? (a) hardware (b) software
13. 13.🔍 Which is the odd one out? (a) a monitor (b) an operating system (c) a typing tutor (d) a music player app
14. 14.💾 Which is bigger: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
15. 15.Which of these is hardware? (a) a word processor (b) a typing tutor (c) a computer game (d) a speaker
16. 16.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
17. 17.⌨️ In a word processor, what does Ctrl+P do? (a) undo (b) save (c) cut (d) print
18. 18.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an output device (c) an input device
19. 19.Which file ending is a sound? (a) .mp3 (b) .png (c) .pdf (d) .avi
20. 20.🔍 Which is the odd one out? (a) an operating system (b) a word processor (c) a web browser (d) a keyboard
21. 21.⌨️ In a word processor, what does Ctrl+S do? (a) select all (b) paste (c) print (d) save
22. 22.🧩 Is a word processor hardware or software? (a) hardware (b) software
23. 23.📁 Which word means to “get rid of it” (for a file or folder)? (a) delete (b) create (c) move (d) copy
24. 24.Which of these is software? (a) a monitor (b) a web browser (c) a speaker (d) a pen drive
25. 25.What does it mean to create a file? (a) make a brand-new one (b) keep your work for later (c) get rid of it (d) put it in another place
26. 26.True or false: a computer game is hardware. (a) True (b) False
27. 27.Which of these is hardware? (a) a calculator app (b) a computer game (c) a hard disk (d) a music player app
28. 28.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
29. 29.Which of these is a storage device? (a) microphone (b) solid-state drive (c) mouse (d) keyboard
30. 30.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
31. 31.True or false: a speaker is an output device. (a) False (b) True
32. 32.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is temporary memory (c) is the working memory (d) is permanent storage
33. 33.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a speaker (c) a pixel (d) a folder
34. 34.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
35. 35.Which shortcut do we press to cut? (a) Ctrl+Z (b) Ctrl+X (c) Ctrl+V (d) Ctrl+C
36. 36.True or false: Ctrl+P is the shortcut to save. (a) False (b) True
37. 37.💾 How many bytes are there in 4 KB?
38. 38.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
39. 39.📁 Which word means to “throw it away” (for a file or folder)? (a) create (b) save (c) delete (d) copy
40. 40.🧩 Is a printer hardware or software? (a) software (b) hardware

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