Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 289 · 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.True or false: to delete a file means to get rid of it. (a) True (b) False
2. 2.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
3. 3.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
4. 4.🧩 Is a web browser hardware or software? (a) software (b) hardware
5. 5.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) box storage (c) cloud storage (d) rain storage
6. 6.💾 How many MB are there in 3 GB?
7. 7.💾 Which is smaller: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
8. 8.True or false: a web browser is hardware. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) a printer (b) a word processor (c) a web browser (d) a typing tutor
10. 10.Which of these is hardware? (a) a web browser (b) a scanner (c) a paint program (d) an operating system
11. 11.Which of these is true of RAM? (a) keeps data when off (b) keeps photos for years (c) keeps your saved files (d) is temporary memory
12. 12.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+S (d) Ctrl+Z
13. 13.True or false: a monitor is a storage device. (a) True (b) False
14. 14.💾 Which is bigger: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
15. 15.Which file ending is a picture? (a) .mkv (b) .mp3 (c) .avi (d) .png
16. 16.⌨️ In a word processor, what does Ctrl+V do? (a) undo (b) copy (c) cut (d) paste
17. 17.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) cut (c) save (d) undo
18. 18.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
19. 19.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) save (c) undo (d) paste
20. 20.💾 Which is smaller: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
21. 21.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a document (c) a video (d) a picture
22. 22.True or false: Ctrl+A is the shortcut to copy. (a) False (b) True
23. 23.Which shortcut do we press to redo? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+C (d) Ctrl+Y
24. 24.💾 Which is bigger: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
25. 25.🧰 Is a monitor a storage, input or output device? (a) a storage device (b) an output device (c) an input device
26. 26.📁 Which word means to “throw it away” (for a file or folder)? (a) rename (b) move (c) create (d) delete
27. 27.🧩 Is a mouse hardware or software? (a) software (b) hardware
28. 28.Which file ending is a picture? (a) .wav (b) .jpg (c) .mp4 (d) .txt
29. 29.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) instructions (d) buttons
30. 30.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a folder (c) a speaker (d) a pixel
31. 31.True or false: a mouse is an input device. (a) True (b) False
32. 32.Which file ending is a sound? (a) .jpg (b) .txt (c) .wav (d) .png
33. 33.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
34. 34.💾 How many GB are there in 2 TB?
35. 35.💾 Which is smaller: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
36. 36.True or false: a webcam is hardware. (a) True (b) False
37. 37.Which shortcut do we press to cut? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+X (d) Ctrl+P
38. 38.Which of these is software? (a) a scanner (b) a printer (c) a pen drive (d) a web browser
39. 39.Which of these is an output device? (a) pen drive (b) printer (c) keyboard (d) hard disk
40. 40.🧩 Is a pen drive hardware or software? (a) hardware (b) software

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