Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 31 · 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) GB (b) byte (c) KB (d) bit
2. 2.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a mouse (c) a speaker (d) a pixel
3. 3.Which shortcut do we press to cut? (a) Ctrl+Z (b) Ctrl+C (c) Ctrl+A (d) Ctrl+X
4. 4.🏷️ Every file has a ___ so we can find it. (a) name (b) taste (c) weight (d) smell
5. 5.⌨️ In a word processor, what does Ctrl+C do? (a) undo (b) copy (c) redo (d) print
6. 6.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 1 (d) 5
7. 7.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
8. 8.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
9. 9.True or false: a word processor is software. (a) True (b) False
10. 10.💾 How many bits are there in 8 bytes?
11. 11.💾 Which is smaller: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
12. 12.True or false: a speaker is hardware. (a) False (b) True
13. 13.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
14. 14.True or false: a speaker is software. (a) False (b) True
15. 15.Which file ending is a document? (a) .mkv (b) .png (c) .jpg (d) .txt
16. 16.True or false: RAM is permanent storage. (a) True (b) False
17. 17.💾 Which is smaller: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
18. 18.What does it mean to save a file? (a) give it a new name (b) keep your work for later (c) see what is inside (d) make a brand-new one
19. 19.Which of these is hardware? (a) a paint program (b) a typing tutor (c) a webcam (d) a computer game
20. 20.What does it mean to delete a file? (a) put it in another place (b) see what is inside (c) keep your work for later (d) get rid of it
21. 21.💾 Which one is permanent storage: RAM or storage? (a) RAM (b) storage
22. 22.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) cut (c) copy (d) save
23. 23.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) print (c) select (d) save
24. 24.Which of these is software? (a) a paint program (b) a printer (c) a hard disk (d) a webcam
25. 25.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
26. 26.Which file ending is a document? (a) .mp3 (b) .gif (c) .mkv (d) .pdf
27. 27.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
28. 28.Which shortcut do we press to redo? (a) Ctrl+P (b) Ctrl+S (c) Ctrl+A (d) Ctrl+Y
29. 29.🧩 Is an operating system hardware or software? (a) hardware (b) software
30. 30.📁 Which word means to “keep your work for later” (for a file or folder)? (a) open (b) save (c) move (d) copy
31. 31.📁 Which word means to “get rid of it” (for a file or folder)? (a) rename (b) open (c) copy (d) delete
32. 32.📄 What does a word processor help us do? (a) fly a kite (b) type and edit text (c) cook food (d) water plants
33. 33.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Undo (c) Delete (d) Backspace
34. 34.Which file ending is a video? (a) .mp3 (b) .mp4 (c) .txt (d) .png
35. 35.Which of these is hardware? (a) a computer game (b) a scanner (c) a typing tutor (d) an operating system
36. 36.📁 Which word means to “put it in another place” (for a file or folder)? (a) move (b) open (c) rename (d) delete
37. 37.📁 Which word means to “change its name” (for a file or folder)? (a) move (b) create (c) delete (d) rename
38. 38.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
39. 39.Which of these is hardware? (a) a keyboard (b) a music player app (c) a typing tutor (d) a computer game
40. 40.True or false: a monitor is hardware. (a) True (b) False

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