Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 729 · 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.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) select (c) print (d) save
2. 2.True or false: a speaker is a storage device. (a) True (b) False
3. 3.Which of these is an input device? (a) monitor (b) speaker (c) keyboard (d) hard disk
4. 4.Which of these is true of RAM? (a) keeps photos for years (b) keeps data when off (c) is the working memory (d) keeps your saved files
5. 5.💾 How many bytes are there in 3 KB?
6. 6.💾 Which is smaller: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
7. 7.💾 Which is smaller: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
8. 8.Which file ending is a document? (a) .txt (b) .mp4 (c) .mkv (d) .mp3
9. 9.🔍 Which is the odd one out? (a) a scanner (b) an operating system (c) a keyboard (d) a monitor
10. 10.True or false: Ctrl+Y is the shortcut to undo. (a) False (b) True
11. 11.Which of these is software? (a) a scanner (b) a keyboard (c) a webcam (d) a web browser
12. 12.🔍 Which is the odd one out? (a) a music player app (b) a typing tutor (c) a word processor (d) a mouse
13. 13.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the toolbar (c) the icon (d) the folder
14. 14.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
15. 15.True or false: a paint program is software. (a) False (b) True
16. 16.📄 A file name ends in .wav. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
17. 17.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
18. 18.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 5 (d) 2
19. 19.True or false: a keyboard is hardware. (a) True (b) False
20. 20.Which shortcut do we press to undo? (a) Ctrl+V (b) Ctrl+Z (c) Ctrl+A (d) Ctrl+C
21. 21.True or false: RAM keeps data when off. (a) True (b) False
22. 22.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
23. 23.Which of these is an output device? (a) pen drive (b) solid-state drive (c) mouse (d) projector
24. 24.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Undo (c) Print (d) Cut
25. 25.✋ Which can we touch: hardware or software? (a) hardware (b) software
26. 26.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
27. 27.🧩 Is an operating system hardware or software? (a) software (b) hardware
28. 28.📁 Which word means to “change its name” (for a file or folder)? (a) create (b) rename (c) move (d) delete
29. 29.Which of these is hardware? (a) a mouse (b) a music player app (c) an operating system (d) a web browser
30. 30.📁 Which word means to “put it in another place” (for a file or folder)? (a) rename (b) move (c) delete (d) save
31. 31.Which of these is software? (a) an operating system (b) a monitor (c) a mouse (d) a speaker
32. 32.💾 How many GB are there in 2 TB?
33. 33.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
34. 34.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) the memory card (c) the hard disk (d) RAM
35. 35.🧩 Is a word processor hardware or software? (a) software (b) hardware
36. 36.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) KB (d) GB
37. 37.🧾 Software is a set of ___ for the computer. (a) buttons (b) instructions (c) wires (d) screws
38. 38.True or false: Ctrl+S is the shortcut to select all. (a) False (b) True
39. 39.🔍 Which is the odd one out? (a) a calculator app (b) a word processor (c) a web browser (d) a printer
40. 40.💾 Which is bigger: 1 TB or 1 GB? (a) 1 GB (b) 1 TB

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