Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 515 · 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.🧩 Is a scanner hardware or software? (a) software (b) hardware
2. 2.💾 How many bits are there in 3 bytes?
3. 3.🔍 Which is the odd one out? (a) hard disk (b) memory card (c) solid-state drive (d) projector
4. 4.True or false: a paint program is software. (a) False (b) True
5. 5.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
6. 6.📄 A file name ends in .png. What is it most likely? (a) a picture (b) a video (c) a sound (d) a document
7. 7.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) holds apps that are open (d) keeps photos for years
8. 8.🔍 Which is the odd one out? (a) a music player app (b) a keyboard (c) a mouse (d) a pen drive
9. 9.🔢 A bit can be only 0 or ___. (a) 1 (b) 5 (c) 2 (d) 9
10. 10.🧩 Is a speaker hardware or software? (a) hardware (b) software
11. 11.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
12. 12.💾 How many MB are there in 1 GB?
13. 13.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) keeps your saved files (c) holds apps that are open (d) is the working memory
14. 14.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) select all (c) undo (d) cut
15. 15.⌨️ In a word processor, what does Ctrl+P do? (a) paste (b) copy (c) cut (d) print
16. 16.Which of these is true of RAM? (a) keeps data when off (b) keeps photos for years (c) is permanent storage (d) loses data when off
17. 17.📄 A file name ends in .pdf. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
18. 18.Which of these is hardware? (a) a word processor (b) a printer (c) a typing tutor (d) a paint program
19. 19.True or false: Ctrl+S is the shortcut to save. (a) True (b) False
20. 20.What does it mean to save a file? (a) store your work (b) give it a new name (c) throw it away (d) put it in another place
21. 21.📁 What do we call a folder inside another folder? (a) a subfolder (b) a big file (c) an icon (d) a printer
22. 22.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+B (c) Ctrl+U (d) Ctrl+I
23. 23.True or false: a speaker is hardware. (a) True (b) False
24. 24.Which shortcut do we press to save? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+S (d) Ctrl+V
25. 25.True or false: to rename a file means to change its name. (a) False (b) True
26. 26.Which shortcut do we press to cut? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+X (d) Ctrl+C
27. 27.🔍 Which is the odd one out? (a) a mouse (b) a monitor (c) a speaker (d) a web browser
28. 28.💾 How many bytes are there in 4 KB?
29. 29.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
30. 30.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) keeps data when off (d) is temporary memory
31. 31.True or false: a scanner is an output device. (a) True (b) False
32. 32.True or false: storage (like a hard disk) keeps your saved files. (a) True (b) False
33. 33.Which of these is a storage device? (a) solid-state drive (b) microphone (c) projector (d) speaker
34. 34.True or false: a keyboard is software. (a) False (b) True
35. 35.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
36. 36.Which file ending is a video? (a) .mp4 (b) .mp3 (c) .png (d) .txt
37. 37.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) redo (c) cut (d) paste
38. 38.🧩 Is a keyboard hardware or software? (a) hardware (b) software
39. 39.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
40. 40.True or false: to save a file means to change its name. (a) True (b) False

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