Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 855 · 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.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Cut (c) Delete (d) Redo
2. 2.True or false: a pen drive is an output device. (a) False (b) True
3. 3.💾 How many MB are there in 3 GB?
4. 4.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) box storage (c) rain storage (d) cloud storage
5. 5.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
6. 6.True or false: a webcam is software. (a) True (b) False
7. 7.🔍 Which is the odd one out? (a) a monitor (b) a word processor (c) a web browser (d) a calculator app
8. 8.Which of these is software? (a) a mouse (b) a pen drive (c) a keyboard (d) a typing tutor
9. 9.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
10. 10.True or false: a printer is an input device. (a) True (b) False
11. 11.True or false: RAM keeps data when off. (a) False (b) True
12. 12.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
13. 13.True or false: a web browser is software. (a) True (b) False
14. 14.🧩 Is a hard disk hardware or software? (a) hardware (b) software
15. 15.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
16. 16.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) the pen drive (c) RAM (d) the memory card
17. 17.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an output device (c) an input device
18. 18.🧾 Software is a set of ___ for the computer. (a) instructions (b) screws (c) buttons (d) wires
19. 19.🔍 Which is the odd one out? (a) memory card (b) keyboard (c) hard disk (d) solid-state drive
20. 20.True or false: a scanner is software. (a) True (b) False
21. 21.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
22. 22.🧩 Is a scanner hardware or software? (a) software (b) hardware
23. 23.🔍 Which is the odd one out? (a) a keyboard (b) a paint program (c) a music player app (d) a calculator app
24. 24.Which shortcut do we press to redo? (a) Ctrl+P (b) Ctrl+V (c) Ctrl+A (d) Ctrl+Y
25. 25.🔍 Which is the odd one out? (a) a printer (b) a word processor (c) a keyboard (d) a mouse
26. 26.True or false: Ctrl+Z is the shortcut to paste. (a) True (b) False
27. 27.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) select all (c) undo (d) cut
28. 28.📁 Which word means to “throw it away” (for a file or folder)? (a) rename (b) delete (c) move (d) open
29. 29.Which file ending is a document? (a) .png (b) .mkv (c) .pdf (d) .wav
30. 30.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
31. 31.Which of these is software? (a) a keyboard (b) a scanner (c) a web browser (d) a hard disk
32. 32.Which of these is an output device? (a) mouse (b) keyboard (c) memory card (d) projector
33. 33.What does it mean to delete a file? (a) make a brand-new one (b) throw it away (c) change its name (d) put it in another place
34. 34.📁 Which word means to “make an exact twin” (for a file or folder)? (a) rename (b) move (c) copy (d) delete
35. 35.True or false: a keyboard is a storage device. (a) False (b) True
36. 36.True or false: a solid-state drive is an output device. (a) True (b) False
37. 37.🔍 Which is the odd one out? (a) a hard disk (b) a monitor (c) an operating system (d) a printer
38. 38.💾 Which is bigger: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
39. 39.💾 Which is bigger: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
40. 40.True or false: a computer game is hardware. (a) False (b) True

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