Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 820 · 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.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
2. 2.💾 Which is smaller: 1 KB or 1 bit? (a) 1 KB (b) 1 bit
3. 3.💾 How many KB are there in 1 MB?
4. 4.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
5. 5.⌨️ In a word processor, what does Ctrl+A do? (a) cut (b) paste (c) select all (d) save
6. 6.🧩 Is a paint program hardware or software? (a) hardware (b) software
7. 7.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
8. 8.📄 A file name ends in .avi. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
9. 9.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) tailors (d) plumbers
10. 10.Which of these is hardware? (a) a music player app (b) a web browser (c) a word processor (d) a mouse
11. 11.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
12. 12.🔍 Which is the odd one out? (a) a hard disk (b) a monitor (c) a scanner (d) a word processor
13. 13.💾 How many MB are there in 1 GB?
14. 14.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
15. 15.Which shortcut do we press to copy? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+C (d) Ctrl+P
16. 16.💾 Which is bigger: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
17. 17.💾 How many GB are there in 2 TB?
18. 18.True or false: Ctrl+P is the shortcut to redo. (a) True (b) False
19. 19.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+S (d) Ctrl+C
20. 20.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) keeps data when off (c) is temporary memory (d) is the working memory
21. 21.💾 How many bits are there in 2 bytes?
22. 22.🧰 Is a solid-state drive a storage, input or output device? (a) an input device (b) a storage device (c) an output device
23. 23.💾 Which is smaller: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
24. 24.💾 Which is smaller: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
25. 25.📄 A file name ends in .gif. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
26. 26.True or false: to rename a file means to see what is inside. (a) True (b) False
27. 27.🔍 Which is the odd one out? (a) a webcam (b) a keyboard (c) a computer game (d) a hard disk
28. 28.🧩 Is a speaker hardware or software? (a) hardware (b) software
29. 29.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
30. 30.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
31. 31.⚡ Which is faster for the computer to work with? (a) a printer (b) a pen drive (c) a memory card (d) RAM
32. 32.True or false: to delete a file means to get rid of it. (a) False (b) True
33. 33.💾 Which is bigger: 1 TB or 1 MB? (a) 1 MB (b) 1 TB
34. 34.⌨️ In a word processor, what does Ctrl+P do? (a) copy (b) save (c) print (d) select all
35. 35.What does it mean to create a file? (a) store your work (b) make an exact twin (c) make a brand-new one (d) get rid of it
36. 36.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+S (d) Ctrl+X
37. 37.True or false: a computer game is hardware. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) projector (b) monitor (c) printer (d) pen drive
39. 39.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) screws (d) instructions
40. 40.True or false: a keyboard is hardware. (a) True (b) False

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