Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 317 · 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 MB or 1 byte? (a) 1 MB (b) 1 byte
2. 2.Which shortcut do we press to save? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+P (d) Ctrl+V
3. 3.Which shortcut do we press to print? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+P (d) Ctrl+Z
4. 4.🔍 Which is the odd one out? (a) scanner (b) pen drive (c) microphone (d) keyboard
5. 5.What does it mean to move a file? (a) keep your work for later (b) put it in another place (c) give it a new name (d) store your work
6. 6.True or false: a web browser is hardware. (a) True (b) False
7. 7.📄 A file name ends in .mkv. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
8. 8.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) a pen drive (d) RAM
9. 9.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) GB (d) KB
10. 10.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) cloud storage (c) rain storage (d) paper storage
11. 11.🧩 Is a keyboard hardware or software? (a) software (b) hardware
12. 12.Which shortcut do we press to undo? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+Z (d) Ctrl+Y
13. 13.💾 How many KB are there in 4 MB?
14. 14.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
15. 15.True or false: to delete a file means to get rid of it. (a) False (b) True
16. 16.True or false: Ctrl+P is the shortcut to save. (a) True (b) False
17. 17.True or false: a scanner is an input device. (a) True (b) False
18. 18.True or false: a hard disk is hardware. (a) False (b) True
19. 19.True or false: a keyboard is an input device. (a) False (b) True
20. 20.🧩 Is a word processor hardware or software? (a) hardware (b) software
21. 21.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
22. 22.💾 Which is smaller: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
23. 23.🔍 Which is the odd one out? (a) monitor (b) speaker (c) projector (d) solid-state drive
24. 24.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Delete (b) Cut (c) Redo (d) Copy
25. 25.📄 A file name ends in .mp3. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
26. 26.📁 Which word means to “give it a new name” (for a file or folder)? (a) delete (b) copy (c) open (d) rename
27. 27.Which file ending is a video? (a) .txt (b) .mkv (c) .gif (d) .png
28. 28.👩‍💻 What do we call people who write software? (a) plumbers (b) tailors (c) programmers (d) farmers
29. 29.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
30. 30.Which of these is an output device? (a) scanner (b) memory card (c) monitor (d) solid-state drive
31. 31.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) undo (c) paste (d) print
32. 32.💾 Which is smaller: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
33. 33.True or false: to open a file means to see what is inside. (a) True (b) False
34. 34.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
35. 35.What does it mean to delete a file? (a) get rid of it (b) see what is inside (c) make a brand-new one (d) change its name
36. 36.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) a typing tutor (b) a calculator app (c) a hard disk (d) a web browser
38. 38.Which file ending is a document? (a) .mp3 (b) .pdf (c) .jpg (d) .avi
39. 39.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Delete (c) Copy (d) Backspace
40. 40.True or false: Ctrl+A is the shortcut to paste. (a) False (b) True

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