Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 353 · 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.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) print (c) copy (d) cut
2. 2.🔍 Which is the odd one out? (a) hard disk (b) pen drive (c) microphone (d) solid-state drive
3. 3.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) copy (c) select all (d) cut
4. 4.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
5. 5.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 1 (d) 5
6. 6.⌨️ In a word processor, what does Ctrl+C do? (a) undo (b) select all (c) redo (d) copy
7. 7.⌨️ In a word processor, what does Ctrl+Y do? (a) print (b) cut (c) save (d) redo
8. 8.Which of these is true of RAM? (a) is permanent storage (b) holds apps that are open (c) keeps photos for years (d) keeps data when off
9. 9.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
10. 10.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
11. 11.🧰 Is a projector a storage, input or output device? (a) an input device (b) an output device (c) a storage device
12. 12.💾 How many bits are there in 9 bytes?
13. 13.🔍 Which is the odd one out? (a) a calculator app (b) a speaker (c) a keyboard (d) a scanner
14. 14.🧩 Is a computer game hardware or software? (a) hardware (b) software
15. 15.Which file ending is a picture? (a) .wav (b) .jpg (c) .txt (d) .pdf
16. 16.What does it mean to open a file? (a) see what is inside (b) store your work (c) get rid of it (d) throw it away
17. 17.🧩 Is a monitor hardware or software? (a) software (b) hardware
18. 18.🧩 Is a mouse hardware or software? (a) hardware (b) software
19. 19.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
20. 20.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
21. 21.What does it mean to rename a file? (a) get rid of it (b) put it in another place (c) keep your work for later (d) change its name
22. 22.What does it mean to delete a file? (a) throw it away (b) change its name (c) see what is inside (d) put it in another place
23. 23.Which file ending is a picture? (a) .avi (b) .gif (c) .mp3 (d) .pdf
24. 24.True or false: Ctrl+S is the shortcut to cut. (a) True (b) False
25. 25.True or false: RAM is permanent storage. (a) True (b) False
26. 26.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
27. 27.📄 A file name ends in .png. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
28. 28.💾 Which is smaller: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
29. 29.Which of these is hardware? (a) a web browser (b) a typing tutor (c) a word processor (d) a keyboard
30. 30.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
31. 31.💾 Which is bigger: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
32. 32.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+B (b) Ctrl+I (c) Ctrl+F (d) Ctrl+U
33. 33.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
34. 34.✋ Which can we touch: hardware or software? (a) hardware (b) software
35. 35.Which file ending is a video? (a) .png (b) .wav (c) .jpg (d) .mkv
36. 36.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) KB (d) byte
37. 37.Which of these is true of RAM? (a) keeps your saved files (b) keeps data when off (c) keeps photos for years (d) is temporary memory
38. 38.🔍 Which is the odd one out? (a) monitor (b) printer (c) speaker (d) keyboard
39. 39.🧩 Is an operating system hardware or software? (a) software (b) hardware
40. 40.💾 Which is smaller: 1 byte or 1 TB? (a) 1 byte (b) 1 TB

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