Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 400 · 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+Z do? (a) select all (b) undo (c) save (d) copy
2. 2.💾 How many bits are there in 4 bytes?
3. 3.💾 How many bits are there in 1 byte?
4. 4.True or false: an operating system is hardware. (a) False (b) True
5. 5.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
6. 6.What does it mean to delete a file? (a) see what is inside (b) put it in another place (c) store your work (d) throw it away
7. 7.🧾 Software is a set of ___ for the computer. (a) wires (b) buttons (c) instructions (d) screws
8. 8.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) create (c) delete (d) save
9. 9.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
10. 10.Which of these is software? (a) a typing tutor (b) a mouse (c) a speaker (d) a printer
11. 11.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+P (c) Ctrl+X (d) Ctrl+V
12. 12.Which of these is hardware? (a) a typing tutor (b) a music player app (c) a monitor (d) a computer game
13. 13.True or false: Ctrl+V is the shortcut to print. (a) True (b) False
14. 14.What does it mean to open a file? (a) store your work (b) see what is inside (c) change its name (d) throw it away
15. 15.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a big file (d) a subfolder
16. 16.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
17. 17.🧩 Is a web browser hardware or software? (a) software (b) hardware
18. 18.✋ Which can we touch: hardware or software? (a) hardware (b) software
19. 19.📁 Which word means to “get rid of it” (for a file or folder)? (a) copy (b) move (c) create (d) delete
20. 20.Which shortcut do we press to cut? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+X (d) Ctrl+S
21. 21.🏷️ Every file has a ___ so we can find it. (a) smell (b) weight (c) taste (d) name
22. 22.True or false: a word processor is hardware. (a) True (b) False
23. 23.True or false: a printer is a storage device. (a) False (b) True
24. 24.⌨️ In a word processor, what does Ctrl+V do? (a) select all (b) copy (c) redo (d) paste
25. 25.Which file ending is a document? (a) .jpg (b) .txt (c) .avi (d) .png
26. 26.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) select (c) delete (d) print
27. 27.Which of these is software? (a) a scanner (b) a music player app (c) a mouse (d) a keyboard
28. 28.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+X (d) Ctrl+C
29. 29.True or false: a printer is an output device. (a) True (b) False
30. 30.True or false: an operating system is software. (a) False (b) True
31. 31.Which of these is an input device? (a) printer (b) mouse (c) speaker (d) hard disk
32. 32.📄 A file name ends in .png. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
33. 33.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Copy (c) Delete (d) Redo
34. 34.📁 Which word means to “change its name” (for a file or folder)? (a) save (b) copy (c) rename (d) create
35. 35.Which of these is software? (a) a monitor (b) a hard disk (c) a web browser (d) a speaker
36. 36.🔍 Which is the odd one out? (a) a hard disk (b) a scanner (c) a typing tutor (d) a pen drive
37. 37.💾 Which is bigger: 1 TB or 1 MB? (a) 1 MB (b) 1 TB
38. 38.True or false: Ctrl+C is the shortcut to print. (a) False (b) True
39. 39.💾 Which is bigger: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
40. 40.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+C (c) Ctrl+V (d) Ctrl+Y

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