Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 620 · 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.What does it mean to open a file? (a) give it a new name (b) make a brand-new one (c) see what is inside (d) store your work
2. 2.💾 How many MB are there in 2 GB?
3. 3.True or false: to delete a file means to make a brand-new one. (a) True (b) False
4. 4.True or false: to open a file means to see what is inside. (a) True (b) False
5. 5.What does it mean to copy a file? (a) make an exact twin (b) put it in another place (c) give it a new name (d) get rid of it
6. 6.Which file ending is a video? (a) .pdf (b) .wav (c) .avi (d) .jpg
7. 7.Which of these is true of RAM? (a) keeps data when off (b) keeps photos for years (c) is permanent storage (d) loses data when off
8. 8.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) undo (c) save (d) paste
9. 9.🧩 Is a speaker hardware or software? (a) hardware (b) software
10. 10.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
11. 11.Which shortcut do we press to copy? (a) Ctrl+Y (b) Ctrl+A (c) Ctrl+P (d) Ctrl+C
12. 12.🧰 Is a solid-state drive a storage, input or output device? (a) an input device (b) a storage device (c) an output device
13. 13.Which of these is true of storage (like a hard disk)? (a) is permanent storage (b) loses data when off (c) is the working memory (d) is temporary memory
14. 14.💾 How many MB are there in 3 GB?
15. 15.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Undo (d) Save
16. 16.Which of these is software? (a) a webcam (b) a hard disk (c) a web browser (d) a monitor
17. 17.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 1 (d) 9
18. 18.Which of these is an output device? (a) solid-state drive (b) printer (c) hard disk (d) microphone
19. 19.Which shortcut do we press to save? (a) Ctrl+V (b) Ctrl+S (c) Ctrl+Z (d) Ctrl+Y
20. 20.Which of these is software? (a) a hard disk (b) a computer game (c) a scanner (d) a keyboard
21. 21.True or false: a hard disk is software. (a) False (b) True
22. 22.🔍 Which is the odd one out? (a) speaker (b) projector (c) monitor (d) keyboard
23. 23.📁 Which word means to “give it a new name” (for a file or folder)? (a) save (b) delete (c) copy (d) rename
24. 24.💾 Which is bigger: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
25. 25.True or false: a speaker is hardware. (a) True (b) False
26. 26.True or false: a webcam is software. (a) False (b) True
27. 27.🧩 Is a paint program hardware or software? (a) software (b) hardware
28. 28.True or false: a printer is a storage device. (a) True (b) False
29. 29.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) print (c) cut (d) select all
30. 30.Which of these is hardware? (a) a hard disk (b) an operating system (c) a computer game (d) a calculator app
31. 31.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a printer (c) a memory card (d) RAM
32. 32.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Redo (b) Cut (c) Copy (d) Delete
33. 33.🔍 Which is the odd one out? (a) a calculator app (b) a speaker (c) a webcam (d) a pen drive
34. 34.▌ What is the blinking line that shows where you will type? (a) the folder (b) the toolbar (c) the icon (d) the cursor
35. 35.💾 How many KB are there in 4 MB?
36. 36.🧩 Is a hard disk hardware or software? (a) software (b) hardware
37. 37.🧰 Is a pen drive a storage, input or output device? (a) a storage device (b) an input device (c) an output device
38. 38.🔍 Which is the odd one out? (a) a keyboard (b) a printer (c) a word processor (d) a monitor
39. 39.Which file ending is a document? (a) .mp4 (b) .txt (c) .gif (d) .mkv
40. 40.💾 Which is smaller: 1 byte or 1 KB? (a) 1 KB (b) 1 byte

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