Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 114 · 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.True or false: storage (like a hard disk) loses data when off. (a) True (b) False
2. 2.⌨️ In a word processor, what does Ctrl+Y do? (a) undo (b) copy (c) redo (d) print
3. 3.Which of these is hardware? (a) a web browser (b) a paint program (c) a pen drive (d) a computer game
4. 4.🔍 Which is the odd one out? (a) a typing tutor (b) a paint program (c) a monitor (d) a web browser
5. 5.🧩 Is a calculator app hardware or software? (a) software (b) hardware
6. 6.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+V (c) Ctrl+S (d) Ctrl+C
7. 7.🧾 Software is a set of ___ for the computer. (a) instructions (b) wires (c) buttons (d) screws
8. 8.True or false: to delete a file means to store your work. (a) True (b) False
9. 9.🔍 Which is the odd one out? (a) solid-state drive (b) pen drive (c) microphone (d) memory card
10. 10.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
11. 11.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Delete (c) Copy (d) Backspace
12. 12.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) KB (d) GB
13. 13.What does it mean to create a file? (a) give it a new name (b) make an exact twin (c) make a brand-new one (d) put it in another place
14. 14.Which file ending is a video? (a) .txt (b) .jpg (c) .gif (d) .avi
15. 15.⌨️ In a word processor, what does Ctrl+S do? (a) undo (b) save (c) redo (d) paste
16. 16.💾 Which is bigger: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
17. 17.📁 Which word means to “store your work” (for a file or folder)? (a) copy (b) create (c) save (d) rename
18. 18.Which of these is software? (a) a mouse (b) a scanner (c) a hard disk (d) a web browser
19. 19.💾 How many bytes are there in 2 KB?
20. 20.📄 A file name ends in .wav. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
21. 21.True or false: to delete a file means to see what is inside. (a) False (b) True
22. 22.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False
23. 23.💾 Which is smaller: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
24. 24.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
25. 25.🧩 Is a music player app hardware or software? (a) software (b) hardware
26. 26.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
27. 27.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a subfolder (d) a big file
28. 28.🔍 Which is the odd one out? (a) a computer game (b) a paint program (c) a mouse (d) a music player app
29. 29.Which of these is software? (a) a pen drive (b) a hard disk (c) an operating system (d) a monitor
30. 30.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Redo (c) Delete (d) Cut
31. 31.True or false: Ctrl+Y is the shortcut to copy. (a) False (b) True
32. 32.True or false: a music player app is hardware. (a) False (b) True
33. 33.🧩 Is a monitor hardware or software? (a) software (b) hardware
34. 34.💾 Which is bigger: 1 GB or 1 KB? (a) 1 KB (b) 1 GB
35. 35.✋ Which can we touch: hardware or software? (a) software (b) hardware
36. 36.⌨️ In a word processor, what does Ctrl+X do? (a) redo (b) select all (c) cut (d) undo
37. 37.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the icon (c) the cursor (d) the folder
38. 38.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
39. 39.True or false: to save a file means to give it a new name. (a) True (b) False
40. 40.🧩 Is a speaker hardware or software? (a) software (b) hardware

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