Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 781 · 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 the odd one out? (a) a calculator app (b) a keyboard (c) a scanner (d) a pen drive
2. 2.💾 Which is smaller: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
3. 3.Which of these is hardware? (a) a pen drive (b) a music player app (c) a computer game (d) a paint program
4. 4.Which of these is hardware? (a) a computer game (b) a word processor (c) a keyboard (d) a web browser
5. 5.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+A (d) Ctrl+P
6. 6.📁 Which word means to “keep your work for later” (for a file or folder)? (a) create (b) delete (c) copy (d) save
7. 7.What does it mean to create a file? (a) give it a new name (b) get rid of it (c) store your work (d) make a brand-new one
8. 8.True or false: a speaker is software. (a) True (b) False
9. 9.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) byte (d) bit
10. 10.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
11. 11.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
12. 12.True or false: storage (like a hard disk) is permanent storage. (a) False (b) True
13. 13.True or false: a word processor is software. (a) False (b) True
14. 14.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
15. 15.True or false: a speaker is hardware. (a) True (b) False
16. 16.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) select all (c) cut (d) copy
17. 17.⌨️ In a word processor, what does Ctrl+Z do? (a) paste (b) copy (c) cut (d) undo
18. 18.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+I (c) Ctrl+U (d) Ctrl+B
19. 19.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
20. 20.Which of these is true of RAM? (a) is temporary memory (b) is permanent storage (c) keeps data when off (d) keeps your saved files
21. 21.✋ Which can we touch: hardware or software? (a) software (b) hardware
22. 22.Which of these is an output device? (a) hard disk (b) microphone (c) projector (d) scanner
23. 23.Which of these is a storage device? (a) keyboard (b) projector (c) hard disk (d) printer
24. 24.📁 Which word means to “see what is inside” (for a file or folder)? (a) save (b) move (c) open (d) delete
25. 25.True or false: Ctrl+A is the shortcut to undo. (a) False (b) True
26. 26.True or false: a scanner is an output device. (a) False (b) True
27. 27.⌨️ In a word processor, what does Ctrl+V do? (a) redo (b) print (c) save (d) paste
28. 28.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
29. 29.True or false: Ctrl+P is the shortcut to paste. (a) False (b) True
30. 30.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
31. 31.💾 Which is bigger: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
32. 32.💾 Which is bigger: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
33. 33.🏷️ Every file has a ___ so we can find it. (a) weight (b) taste (c) smell (d) name
34. 34.📄 A file name ends in .jpg. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
35. 35.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is permanent storage (c) loses data when off (d) is temporary memory
36. 36.Which file ending is a sound? (a) .pdf (b) .avi (c) .mkv (d) .mp3
37. 37.🔍 Which is the odd one out? (a) a speaker (b) a scanner (c) a computer game (d) a keyboard
38. 38.💾 Which is smaller: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
39. 39.Which file ending is a document? (a) .avi (b) .wav (c) .mp3 (d) .pdf
40. 40.What does it mean to open a file? (a) put it in another place (b) change its name (c) throw it away (d) see what is inside

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