Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 990 · 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 webcam (b) a calculator app (c) a scanner (d) a monitor
2. 2.True or false: a mouse is a storage device. (a) True (b) False
3. 3.🧩 Is a monitor hardware or software? (a) hardware (b) software
4. 4.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
5. 5.💾 Which is smaller: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
6. 6.💾 How many bytes are there in 1 KB?
7. 7.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
8. 8.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
9. 9.True or false: RAM is the working memory. (a) False (b) True
10. 10.📄 A file name ends in .pdf. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
11. 11.🧩 Is a pen drive hardware or software? (a) hardware (b) software
12. 12.Which of these is a storage device? (a) keyboard (b) monitor (c) pen drive (d) mouse
13. 13.Which of these is true of RAM? (a) is the working memory (b) is permanent storage (c) keeps data when off (d) keeps photos for years
14. 14.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a printer (c) a memory card (d) RAM
15. 15.💾 Which is smaller: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
16. 16.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+A
17. 17.True or false: a pen drive is a storage device. (a) False (b) True
18. 18.Which of these is software? (a) a typing tutor (b) a printer (c) a keyboard (d) a speaker
19. 19.💾 Which is smaller: 1 KB or 1 GB? (a) 1 GB (b) 1 KB
20. 20.🔍 Which is the odd one out? (a) a pen drive (b) a music player app (c) a mouse (d) a monitor
21. 21.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
22. 22.⌨️ In a word processor, what does Ctrl+A do? (a) print (b) cut (c) copy (d) select all
23. 23.True or false: a keyboard is hardware. (a) False (b) True
24. 24.Which of these is an output device? (a) scanner (b) memory card (c) projector (d) pen drive
25. 25.⌨️ In a word processor, what does Ctrl+X do? (a) save (b) redo (c) copy (d) cut
26. 26.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+X (d) Ctrl+V
27. 27.💾 Which is smaller: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
28. 28.💾 How many KB are there in 3 MB?
29. 29.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) paste (c) save (d) undo
30. 30.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
31. 31.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
32. 32.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
33. 33.🧩 Is a computer game hardware or software? (a) hardware (b) software
34. 34.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is the working memory (c) holds apps that are open (d) keeps your saved files
35. 35.🧰 Is a memory card a storage, input or output device? (a) an output device (b) an input device (c) a storage device
36. 36.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
37. 37.🔍 Which is the odd one out? (a) a word processor (b) a web browser (c) a music player app (d) a mouse
38. 38.What does it mean to rename a file? (a) get rid of it (b) put it in another place (c) store your work (d) change its name
39. 39.📁 Which word means to “change its name” (for a file or folder)? (a) copy (b) rename (c) open (d) delete
40. 40.🏷️ Every file has a ___ so we can find it. (a) weight (b) smell (c) name (d) taste

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