Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 24 · 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 smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
2. 2.🔍 Which is the odd one out? (a) a keyboard (b) a pen drive (c) a mouse (d) a word processor
3. 3.True or false: storage (like a hard disk) keeps photos for years. (a) False (b) True
4. 4.🔍 Which is the odd one out? (a) a keyboard (b) a computer game (c) a scanner (d) a mouse
5. 5.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
6. 6.💾 Which is smaller: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
7. 7.💾 Which is smaller: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
8. 8.📄 A file name ends in .mkv. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
9. 9.True or false: an operating system is software. (a) False (b) True
10. 10.💾 Which is smaller: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
11. 11.▌ What is the blinking line that shows where you will type? (a) the folder (b) the icon (c) the toolbar (d) the cursor
12. 12.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) save (c) select all (d) print
13. 13.💾 How many bits are there in 3 bytes?
14. 14.📷 A camera keeps its photos on a small ___. (a) keyboard (b) speaker (c) memory card (d) mouse pad
15. 15.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) bit (d) KB
16. 16.Which of these is software? (a) an operating system (b) a keyboard (c) a mouse (d) a pen drive
17. 17.True or false: a pen drive is an input device. (a) True (b) False
18. 18.⌨️ In a word processor, what does Ctrl+Z do? (a) cut (b) undo (c) select all (d) copy
19. 19.What does it mean to delete a file? (a) put it in another place (b) make an exact twin (c) store your work (d) throw it away
20. 20.True or false: Ctrl+S is the shortcut to save. (a) True (b) False
21. 21.💾 How many KB are there in 4 MB?
22. 22.True or false: Ctrl+X is the shortcut to print. (a) False (b) True
23. 23.⌨️ In a word processor, what does Ctrl+P do? (a) redo (b) copy (c) undo (d) print
24. 24.True or false: a hard disk is a storage device. (a) False (b) True
25. 25.True or false: storage (like a hard disk) loses data when off. (a) False (b) True
26. 26.Which of these is true of RAM? (a) keeps data when off (b) keeps your saved files (c) keeps photos for years (d) is the working memory
27. 27.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
28. 28.What does it mean to move a file? (a) put it in another place (b) throw it away (c) make a brand-new one (d) give it a new name
29. 29.True or false: a monitor is an output device. (a) False (b) True
30. 30.Which of these is true of RAM? (a) holds apps that are open (b) is permanent storage (c) keeps your saved files (d) keeps photos for years
31. 31.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
32. 32.Which of these is software? (a) a speaker (b) a monitor (c) a typing tutor (d) a printer
33. 33.Which of these is hardware? (a) an operating system (b) a word processor (c) a music player app (d) a monitor
34. 34.💾 How many KB are there in 1 MB?
35. 35.True or false: a printer is hardware. (a) True (b) False
36. 36.Which of these is hardware? (a) an operating system (b) a typing tutor (c) a web browser (d) a printer
37. 37.💾 How many MB are there in 2 GB?
38. 38.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
39. 39.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
40. 40.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) print (c) cut (d) save

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