Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 892 · 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 one is permanent storage: RAM or storage? (a) storage (b) RAM
2. 2.🔍 Which is the odd one out? (a) a mouse (b) a paint program (c) a music player app (d) a word processor
3. 3.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+Z (c) Ctrl+A (d) Ctrl+S
4. 4.🧰 Is a keyboard a storage, input or output device? (a) a storage device (b) an output device (c) an input device
5. 5.📄 A file name ends in .mp3. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
6. 6.True or false: Ctrl+A is the shortcut to save. (a) True (b) False
7. 7.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) RAM (d) a pen drive
8. 8.📁 Which word means to “change its name” (for a file or folder)? (a) save (b) open (c) delete (d) rename
9. 9.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
10. 10.True or false: a keyboard is hardware. (a) False (b) True
11. 11.💾 How many KB are there in 1 MB?
12. 12.💾 Which is smaller: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
13. 13.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Delete (c) Redo (d) Copy
14. 14.True or false: to create a file means to store your work. (a) False (b) True
15. 15.🔍 Which is the odd one out? (a) speaker (b) printer (c) solid-state drive (d) monitor
16. 16.What does it mean to open a file? (a) see what is inside (b) make a brand-new one (c) put it in another place (d) make an exact twin
17. 17.Which of these is hardware? (a) a web browser (b) a scanner (c) a word processor (d) a paint program
18. 18.🔍 Which is the odd one out? (a) a music player app (b) a webcam (c) a paint program (d) a word processor
19. 19.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) RAM (c) the memory card (d) the hard disk
20. 20.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
21. 21.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Save (c) Undo (d) Copy
22. 22.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
23. 23.True or false: RAM is permanent storage. (a) False (b) True
24. 24.💾 How many bytes are there in 4 KB?
25. 25.⌨️ In a word processor, what does Ctrl+Y do? (a) cut (b) redo (c) save (d) print
26. 26.True or false: storage (like a hard disk) holds apps that are open. (a) True (b) False
27. 27.True or false: an operating system is hardware. (a) False (b) True
28. 28.Which of these is software? (a) a speaker (b) a calculator app (c) a webcam (d) a pen drive
29. 29.True or false: RAM is temporary memory. (a) True (b) False
30. 30.📁 Which word means to “store your work” (for a file or folder)? (a) copy (b) save (c) rename (d) open
31. 31.Which file ending is a document? (a) .wav (b) .jpg (c) .pdf (d) .mp3
32. 32.True or false: Ctrl+V is the shortcut to copy. (a) True (b) False
33. 33.What does it mean to create a file? (a) keep your work for later (b) change its name (c) throw it away (d) make a brand-new one
34. 34.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
35. 35.🧩 Is a webcam hardware or software? (a) software (b) hardware
36. 36.⌨️ In a word processor, what does Ctrl+X do? (a) redo (b) print (c) paste (d) cut
37. 37.🧰 Is a speaker a storage, input or output device? (a) an output device (b) a storage device (c) an input device
38. 38.True or false: a memory card is an input device. (a) False (b) True
39. 39.True or false: to delete a file means to throw it away. (a) True (b) False
40. 40.True or false: a speaker is software. (a) True (b) False

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