Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 179 · 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.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Copy (c) Undo (d) Backspace
2. 2.Which of these is software? (a) a mouse (b) a monitor (c) a scanner (d) a calculator app
3. 3.🧩 Is a computer game hardware or software? (a) hardware (b) software
4. 4.Which of these is true of storage (like a hard disk)? (a) is permanent storage (b) holds apps that are open (c) loses data when off (d) is the working memory
5. 5.📄 A file name ends in .avi. What is it most likely? (a) a picture (b) a video (c) a sound (d) a document
6. 6.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
7. 7.🧩 Is a hard disk hardware or software? (a) hardware (b) software
8. 8.💾 Which one keeps your saved files: RAM or storage? (a) storage (b) RAM
9. 9.⌨️ In a word processor, what does Ctrl+X do? (a) redo (b) paste (c) cut (d) undo
10. 10.💾 Which is smaller: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
11. 11.Which of these is software? (a) a printer (b) a web browser (c) a hard disk (d) a monitor
12. 12.💾 How many bits are there in 1 byte?
13. 13.🔍 Which is the odd one out? (a) a word processor (b) an operating system (c) a speaker (d) a computer game
14. 14.💾 Which is bigger: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
15. 15.💾 How many MB are there in 2 GB?
16. 16.💾 Which is smaller: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
17. 17.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) redo (c) undo (d) select all
18. 18.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
19. 19.⌨️ In a word processor, what does Ctrl+A do? (a) save (b) print (c) select all (d) copy
20. 20.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
21. 21.💾 How many bits are there in 12 bytes?
22. 22.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 2 (d) 9
23. 23.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
24. 24.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
25. 25.What does it mean to open a file? (a) make an exact twin (b) see what is inside (c) make a brand-new one (d) get rid of it
26. 26.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
27. 27.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
28. 28.📄 What does a word processor help us do? (a) type and edit text (b) water plants (c) cook food (d) fly a kite
29. 29.Which shortcut do we press to print? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+Z (d) Ctrl+C
30. 30.True or false: to copy a file means to make a brand-new one. (a) True (b) False
31. 31.Which of these is software? (a) a pen drive (b) a hard disk (c) a mouse (d) a typing tutor
32. 32.💾 Which is smaller: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
33. 33.💾 How many MB are there in 1 GB?
34. 34.Which of these is true of RAM? (a) keeps photos for years (b) keeps your saved files (c) loses data when off (d) is permanent storage
35. 35.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
36. 36.True or false: a music player app is hardware. (a) True (b) False
37. 37.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
38. 38.What does it mean to delete a file? (a) change its name (b) see what is inside (c) get rid of it (d) put it in another place
39. 39.📁 Which word means to “throw it away” (for a file or folder)? (a) rename (b) delete (c) create (d) save
40. 40.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte

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