Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 337 · 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.⌨️ In a word processor, what does Ctrl+Y do? (a) cut (b) undo (c) redo (d) print
2. 2.Which of these is true of RAM? (a) loses data when off (b) is permanent storage (c) keeps your saved files (d) keeps photos for years
3. 3.💾 How many bits are there in 4 bytes?
4. 4.🧩 Is a paint program hardware or software? (a) hardware (b) software
5. 5.📁 Which word means to “give it a new name” (for a file or folder)? (a) create (b) delete (c) move (d) rename
6. 6.📁 Which word means to “put it in another place” (for a file or folder)? (a) copy (b) rename (c) save (d) move
7. 7.What does it mean to delete a file? (a) change its name (b) get rid of it (c) make an exact twin (d) store your work
8. 8.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Backspace (c) Copy (d) Undo
9. 9.💾 How many bits are there in 8 bytes?
10. 10.🏷️ Every file has a ___ so we can find it. (a) taste (b) weight (c) smell (d) name
11. 11.🔍 Which is the odd one out? (a) a typing tutor (b) a keyboard (c) a web browser (d) a word processor
12. 12.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) select all (c) cut (d) undo
13. 13.⌨️ In a word processor, what does Ctrl+V do? (a) cut (b) copy (c) print (d) paste
14. 14.Which of these is software? (a) a computer game (b) a scanner (c) a speaker (d) a printer
15. 15.Which file ending is a picture? (a) .mkv (b) .wav (c) .jpg (d) .pdf
16. 16.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
17. 17.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
18. 18.✋ Which can we touch: hardware or software? (a) software (b) hardware
19. 19.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Copy (c) Redo (d) Delete
20. 20.True or false: storage (like a hard disk) is temporary memory. (a) False (b) True
21. 21.True or false: to rename a file means to make a brand-new one. (a) False (b) True
22. 22.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) cut (c) copy (d) undo
23. 23.🧩 Is a hard disk hardware or software? (a) software (b) hardware
24. 24.🧩 Is a keyboard hardware or software? (a) hardware (b) software
25. 25.💾 Which is bigger: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
26. 26.True or false: RAM holds apps that are open. (a) False (b) True
27. 27.True or false: Ctrl+P is the shortcut to redo. (a) True (b) False
28. 28.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 5 (d) 1
29. 29.📄 A file name ends in .png. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
30. 30.💾 How many GB are there in 2 TB?
31. 31.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a folder (c) a pixel (d) a speaker
32. 32.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) holds apps that are open (c) keeps your saved files (d) loses data when off
33. 33.⌨️ In a word processor, what does Ctrl+P do? (a) redo (b) copy (c) print (d) cut
34. 34.Which of these is hardware? (a) a music player app (b) a typing tutor (c) a paint program (d) a hard disk
35. 35.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
36. 36.📁 Which word means to “throw it away” (for a file or folder)? (a) copy (b) move (c) open (d) delete
37. 37.🧩 Is an operating system hardware or software? (a) hardware (b) software
38. 38.🧰 Is a projector a storage, input or output device? (a) an output device (b) an input device (c) a storage device
39. 39.True or false: a printer is hardware. (a) False (b) True
40. 40.🧩 Is a monitor hardware or software? (a) hardware (b) software

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