Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 704 · 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.📁 What do we call a folder inside another folder? (a) an icon (b) a printer (c) a big file (d) a subfolder
2. 2.Which of these is hardware? (a) a web browser (b) a word processor (c) a calculator app (d) a monitor
3. 3.✋ Which can we touch: hardware or software? (a) hardware (b) software
4. 4.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Undo (c) Delete (d) Copy
5. 5.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 5 (d) 2
6. 6.True or false: a computer game is hardware. (a) False (b) True
7. 7.🧩 Is a web browser hardware or software? (a) hardware (b) software
8. 8.🧩 Is a monitor hardware or software? (a) hardware (b) software
9. 9.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
10. 10.📄 A file name ends in .gif. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
11. 11.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
12. 12.📁 Which word means to “get rid of it” (for a file or folder)? (a) move (b) copy (c) save (d) delete
13. 13.🧾 Software is a set of ___ for the computer. (a) buttons (b) screws (c) wires (d) instructions
14. 14.True or false: a printer is a storage device. (a) False (b) True
15. 15.💾 How many GB are there in 2 TB?
16. 16.📄 A file name ends in .wav. What is it most likely? (a) a sound (b) a document (c) a video (d) a picture
17. 17.Which of these is hardware? (a) a calculator app (b) an operating system (c) a mouse (d) a word processor
18. 18.🔍 Which is the odd one out? (a) a printer (b) a pen drive (c) a music player app (d) a keyboard
19. 19.🔍 Which is the odd one out? (a) a pen drive (b) a mouse (c) a hard disk (d) a typing tutor
20. 20.⌨️ In a word processor, what does Ctrl+C do? (a) paste (b) cut (c) print (d) copy
21. 21.Which of these is an output device? (a) projector (b) scanner (c) keyboard (d) memory card
22. 22.🔍 Which is the odd one out? (a) a calculator app (b) a paint program (c) a computer game (d) a monitor
23. 23.Which file ending is a document? (a) .mp4 (b) .mp3 (c) .txt (d) .wav
24. 24.True or false: a microphone is an output device. (a) False (b) True
25. 25.True or false: to rename a file means to change its name. (a) True (b) False
26. 26.True or false: Ctrl+C is the shortcut to redo. (a) False (b) True
27. 27.🔍 Which is the odd one out? (a) a keyboard (b) a music player app (c) an operating system (d) a typing tutor
28. 28.Which shortcut do we press to paste? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+Z (d) Ctrl+V
29. 29.💾 How many bits are there in 8 bytes?
30. 30.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a speaker (c) a folder (d) a pixel
31. 31.📁 Which word means to “give it a new name” (for a file or folder)? (a) delete (b) open (c) rename (d) create
32. 32.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
33. 33.Which shortcut do we press to redo? (a) Ctrl+Y (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+A
34. 34.🧩 Is a keyboard hardware or software? (a) hardware (b) software
35. 35.Which of these is hardware? (a) a calculator app (b) a paint program (c) a webcam (d) a word processor
36. 36.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) print (c) delete (d) select
37. 37.🔍 Which is the odd one out? (a) a webcam (b) a word processor (c) a computer game (d) a music player app
38. 38.True or false: Ctrl+S is the shortcut to undo. (a) False (b) True
39. 39.True or false: a typing tutor is software. (a) True (b) False
40. 40.📄 A file name ends in .txt. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound

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