Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 575 · 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 bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
2. 2.🧩 Is a word processor hardware or software? (a) hardware (b) software
3. 3.True or false: a solid-state drive is an input device. (a) True (b) False
4. 4.🧩 Is a music player app hardware or software? (a) hardware (b) software
5. 5.💾 How many GB are there in 2 TB?
6. 6.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Redo (b) Delete (c) Copy (d) Cut
7. 7.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
8. 8.Which of these is an output device? (a) keyboard (b) speaker (c) scanner (d) hard disk
9. 9.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
10. 10.💾 How many MB are there in 2 GB?
11. 11.💾 Which is bigger: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
12. 12.⌨️ In a word processor, what does Ctrl+P do? (a) copy (b) print (c) cut (d) select all
13. 13.🔍 Which is the odd one out? (a) an operating system (b) a typing tutor (c) a computer game (d) a webcam
14. 14.✋ Which can we touch: hardware or software? (a) hardware (b) software
15. 15.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Undo (c) Print (d) Delete
16. 16.Which file ending is a video? (a) .mkv (b) .png (c) .pdf (d) .mp3
17. 17.📁 Which word means to “store your work” (for a file or folder)? (a) rename (b) delete (c) open (d) save
18. 18.Which of these is software? (a) a keyboard (b) a speaker (c) a music player app (d) a printer
19. 19.🔍 Which is the odd one out? (a) a typing tutor (b) a word processor (c) a mouse (d) an operating system
20. 20.🧩 Is a web browser hardware or software? (a) hardware (b) software
21. 21.True or false: to delete a file means to throw it away. (a) True (b) False
22. 22.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
23. 23.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Copy (c) Delete (d) Backspace
24. 24.💾 Which is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
25. 25.🧩 Is a computer game hardware or software? (a) hardware (b) software
26. 26.True or false: a hard disk is hardware. (a) False (b) True
27. 27.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Undo (c) Cut (d) Copy
28. 28.True or false: a mouse is software. (a) True (b) False
29. 29.💾 How many bytes are there in 4 KB?
30. 30.True or false: a webcam is hardware. (a) False (b) True
31. 31.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
32. 32.📁 What do we call a folder inside another folder? (a) an icon (b) a big file (c) a printer (d) a subfolder
33. 33.📁 Which word means to “put it in another place” (for a file or folder)? (a) move (b) open (c) create (d) delete
34. 34.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 1 (d) 9
35. 35.True or false: a monitor is software. (a) True (b) False
36. 36.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
37. 37.True or false: a word processor is hardware. (a) True (b) False
38. 38.💾 How many bits are there in 7 bytes?
39. 39.True or false: Ctrl+A is the shortcut to save. (a) True (b) False
40. 40.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) speaker (c) memory card (d) keyboard

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