Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 839 · 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 does a word processor help us do? (a) water plants (b) type and edit text (c) fly a kite (d) cook food
2. 2.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
3. 3.🔢 A bit can be only 0 or ___. (a) 5 (b) 9 (c) 2 (d) 1
4. 4.🧩 Is a computer game hardware or software? (a) hardware (b) software
5. 5.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) bit (d) GB
6. 6.💾 Which is smaller: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
7. 7.True or false: a monitor is a storage device. (a) True (b) False
8. 8.True or false: storage (like a hard disk) holds apps that are open. (a) True (b) False
9. 9.True or false: a computer game is software. (a) True (b) False
10. 10.Which of these is true of RAM? (a) keeps data when off (b) keeps photos for years (c) is the working memory (d) is permanent storage
11. 11.🧰 Is a keyboard a storage, input or output device? (a) an output device (b) a storage device (c) an input device
12. 12.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+P (d) Ctrl+A
13. 13.🔍 Which is the odd one out? (a) an operating system (b) a music player app (c) a hard disk (d) a word processor
14. 14.True or false: a music player app is hardware. (a) False (b) True
15. 15.True or false: a typing tutor is hardware. (a) False (b) True
16. 16.💾 Which is bigger: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
17. 17.Which file ending is a video? (a) .mkv (b) .mp3 (c) .png (d) .txt
18. 18.True or false: a pen drive is software. (a) False (b) True
19. 19.📁 Which word means to “give it a new name” (for a file or folder)? (a) open (b) save (c) delete (d) rename
20. 20.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is temporary memory (c) holds apps that are open (d) keeps your saved files
21. 21.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
22. 22.📄 A file name ends in .mkv. What is it most likely? (a) a video (b) a document (c) a sound (d) a picture
23. 23.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Copy (c) Undo (d) Backspace
24. 24.Which of these is software? (a) a hard disk (b) a keyboard (c) a mouse (d) an operating system
25. 25.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
26. 26.What does it mean to move a file? (a) put it in another place (b) give it a new name (c) see what is inside (d) throw it away
27. 27.💾 How many bits are there in 12 bytes?
28. 28.True or false: a solid-state drive is an output device. (a) True (b) False
29. 29.🧩 Is a mouse hardware or software? (a) software (b) hardware
30. 30.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) move (b) delete (c) create (d) open
31. 31.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
32. 32.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
33. 33.Which shortcut do we press to copy? (a) Ctrl+Z (b) Ctrl+S (c) Ctrl+C (d) Ctrl+A
34. 34.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) save (c) paste (d) copy
35. 35.🧰 Is a projector a storage, input or output device? (a) an output device (b) a storage device (c) an input device
36. 36.▌ What is the blinking line that shows where you will type? (a) the toolbar (b) the icon (c) the cursor (d) the folder
37. 37.💾 Which is bigger: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
38. 38.🔍 Which is the odd one out? (a) projector (b) printer (c) monitor (d) pen drive
39. 39.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
40. 40.True or false: RAM is permanent storage. (a) True (b) False

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