Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 56 · 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 byte or 1 KB? (a) 1 KB (b) 1 byte
2. 2.Which file ending is a sound? (a) .mp4 (b) .jpg (c) .wav (d) .png
3. 3.True or false: a typing tutor is software. (a) False (b) True
4. 4.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an input device (c) an output device
5. 5.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
6. 6.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
7. 7.True or false: to open a file means to get rid of it. (a) False (b) True
8. 8.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) instructions (d) wires
9. 9.Which of these is true of RAM? (a) keeps data when off (b) keeps your saved files (c) loses data when off (d) keeps photos for years
10. 10.True or false: a word processor is hardware. (a) True (b) False
11. 11.⌨️ In a word processor, what does Ctrl+P do? (a) undo (b) select all (c) redo (d) print
12. 12.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an input device (c) an output device
13. 13.📁 Which word means to “see what is inside” (for a file or folder)? (a) open (b) move (c) save (d) rename
14. 14.True or false: RAM keeps your saved files. (a) False (b) True
15. 15.✋ Which can we touch: hardware or software? (a) software (b) hardware
16. 16.💾 How many GB are there in 2 TB?
17. 17.True or false: a printer is hardware. (a) True (b) False
18. 18.💾 Which is smaller: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
19. 19.💾 How many bytes are there in 1 KB?
20. 20.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
21. 21.Which shortcut do we press to print? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+P
22. 22.📁 Which word means to “store your work” (for a file or folder)? (a) delete (b) save (c) rename (d) move
23. 23.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a pixel (d) a folder
24. 24.Which file ending is a video? (a) .jpg (b) .mp3 (c) .png (d) .mp4
25. 25.💾 Which is smaller: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
26. 26.⌨️ In a word processor, what does Ctrl+A do? (a) undo (b) select all (c) save (d) print
27. 27.🧩 Is a mouse hardware or software? (a) software (b) hardware
28. 28.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Print (d) Cut
29. 29.Which of these is software? (a) a printer (b) a pen drive (c) a hard disk (d) a web browser
30. 30.🧰 Is a pen drive a storage, input or output device? (a) an input device (b) an output device (c) a storage device
31. 31.What does it mean to create a file? (a) store your work (b) make a brand-new one (c) change its name (d) give it a new name
32. 32.True or false: to create a file means to change its name. (a) True (b) False
33. 33.True or false: to delete a file means to put it in another place. (a) True (b) False
34. 34.Which of these is hardware? (a) a paint program (b) a typing tutor (c) a music player app (d) a keyboard
35. 35.Which shortcut do we press to cut? (a) Ctrl+V (b) Ctrl+A (c) Ctrl+Y (d) Ctrl+X
36. 36.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
37. 37.▌ What is the blinking line that shows where you will type? (a) the icon (b) the folder (c) the cursor (d) the toolbar
38. 38.True or false: to create a file means to make a brand-new one. (a) False (b) True
39. 39.⌨️ In a word processor, what does Ctrl+C do? (a) select all (b) undo (c) print (d) copy
40. 40.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte

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