Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 423 · 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.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
2. 2.True or false: to open a file means to see what is inside. (a) False (b) True
3. 3.What does it mean to rename a file? (a) see what is inside (b) give it a new name (c) throw it away (d) get rid of it
4. 4.🧩 Is a scanner hardware or software? (a) software (b) hardware
5. 5.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 1 (d) 5
6. 6.⌨️ In a word processor, what does Ctrl+A do? (a) select all (b) copy (c) undo (d) paste
7. 7.💾 How many bytes are there in 3 KB?
8. 8.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) select all (c) undo (d) save
9. 9.🧾 Software is a set of ___ for the computer. (a) instructions (b) screws (c) wires (d) buttons
10. 10.True or false: a printer is software. (a) True (b) False
11. 11.🔍 Which is the odd one out? (a) printer (b) mouse (c) scanner (d) microphone
12. 12.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+Y (d) Ctrl+A
13. 13.📁 What do we call a folder inside another folder? (a) a big file (b) a printer (c) an icon (d) a subfolder
14. 14.🧰 Is a keyboard a storage, input or output device? (a) a storage device (b) an output device (c) an input device
15. 15.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
16. 16.True or false: Ctrl+V is the shortcut to undo. (a) False (b) True
17. 17.⌨️ In a word processor, what does Ctrl+C do? (a) print (b) undo (c) copy (d) save
18. 18.⌨️ In a word processor, what does Ctrl+P do? (a) cut (b) save (c) print (d) select all
19. 19.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
20. 20.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the folder (c) the toolbar (d) the icon
21. 21.💾 Which is bigger: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
22. 22.💾 Which is bigger: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
23. 23.💾 Which is bigger: 1 byte or 1 KB? (a) 1 byte (b) 1 KB
24. 24.💾 How many KB are there in 2 MB?
25. 25.🧰 Is a memory card a storage, input or output device? (a) a storage device (b) an input device (c) an output device
26. 26.Which of these is hardware? (a) an operating system (b) a speaker (c) a computer game (d) a paint program
27. 27.Which of these is software? (a) a mouse (b) a calculator app (c) a speaker (d) a webcam
28. 28.True or false: storage (like a hard disk) keeps photos for years. (a) True (b) False
29. 29.True or false: Ctrl+C is the shortcut to paste. (a) True (b) False
30. 30.True or false: Ctrl+S is the shortcut to save. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) a typing tutor (b) a mouse (c) a monitor (d) a printer
32. 32.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
33. 33.🧩 Is a music player app hardware or software? (a) software (b) hardware
34. 34.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
35. 35.🧰 Is a monitor a storage, input or output device? (a) an input device (b) a storage device (c) an output device
36. 36.📄 A file name ends in .mkv. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
37. 37.😮 You deleted a word by mistake. What brings it back? (a) Undo (b) Cut (c) Copy (d) Save
38. 38.True or false: a computer game is software. (a) True (b) False
39. 39.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a folder (c) a mouse (d) a speaker
40. 40.Which of these is hardware? (a) a word processor (b) a music player app (c) a mouse (d) a calculator app

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