Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 245 · 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.🧩 Is a speaker hardware or software? (a) software (b) hardware
2. 2.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
3. 3.🔍 Which is the odd one out? (a) a monitor (b) a mouse (c) a keyboard (d) a calculator app
4. 4.⌨️ In a word processor, what does Ctrl+Z do? (a) copy (b) undo (c) save (d) print
5. 5.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 1 (d) 5
6. 6.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) byte (d) KB
7. 7.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a folder (d) a speaker
8. 8.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) print (c) redo (d) cut
9. 9.👩‍💻 What do we call people who write software? (a) farmers (b) programmers (c) plumbers (d) tailors
10. 10.True or false: a keyboard is hardware. (a) False (b) True
11. 11.🔍 Which is the odd one out? (a) a keyboard (b) a paint program (c) a mouse (d) a printer
12. 12.⌨️ In a word processor, what does Ctrl+P do? (a) copy (b) redo (c) paste (d) print
13. 13.True or false: to rename a file means to make an exact twin. (a) False (b) True
14. 14.📁 What do we call a folder inside another folder? (a) a big file (b) a printer (c) an icon (d) a subfolder
15. 15.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
16. 16.What does it mean to rename a file? (a) keep your work for later (b) give it a new name (c) throw it away (d) get rid of it
17. 17.⌨️ In a word processor, what does Ctrl+A do? (a) redo (b) copy (c) undo (d) select all
18. 18.💾 How many bytes are there in 4 KB?
19. 19.🏷️ Every file has a ___ so we can find it. (a) taste (b) name (c) weight (d) smell
20. 20.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
21. 21.True or false: storage (like a hard disk) holds apps that are open. (a) True (b) False
22. 22.🔍 Which is the odd one out? (a) a keyboard (b) a music player app (c) a monitor (d) a mouse
23. 23.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
24. 24.🧩 Is a hard disk hardware or software? (a) software (b) hardware
25. 25.💾 Which is smaller: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
26. 26.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Save (d) Undo
27. 27.Which shortcut do we press to save? (a) Ctrl+Y (b) Ctrl+S (c) Ctrl+C (d) Ctrl+X
28. 28.🧩 Is a webcam hardware or software? (a) software (b) hardware
29. 29.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
30. 30.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
31. 31.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
32. 32.🧾 Software is a set of ___ for the computer. (a) wires (b) buttons (c) screws (d) instructions
33. 33.📄 A file name ends in .mp4. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
34. 34.▌ What is the blinking line that shows where you will type? (a) the icon (b) the toolbar (c) the cursor (d) the folder
35. 35.Which of these is a storage device? (a) microphone (b) mouse (c) scanner (d) pen drive
36. 36.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
37. 37.🔍 Which is the odd one out? (a) a web browser (b) a pen drive (c) a calculator app (d) a typing tutor
38. 38.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Cut (c) Delete (d) Undo
39. 39.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+V (d) Ctrl+S
40. 40.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM

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