Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 745 · 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.✂️ You want to move a sentence to the end. What do you use first? (a) Delete (b) Undo (c) Cut (d) Print
2. 2.Which of these is hardware? (a) a hard disk (b) a typing tutor (c) a computer game (d) an operating system
3. 3.True or false: Ctrl+V is the shortcut to redo. (a) False (b) True
4. 4.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
5. 5.Which of these is true of RAM? (a) keeps your saved files (b) keeps photos for years (c) loses data when off (d) is permanent storage
6. 6.True or false: to delete a file means to keep your work for later. (a) False (b) True
7. 7.What does it mean to rename a file? (a) put it in another place (b) keep your work for later (c) make an exact twin (d) give it a new name
8. 8.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a picture (c) a document (d) a video
9. 9.Which of these is software? (a) a hard disk (b) a computer game (c) a mouse (d) a pen drive
10. 10.True or false: a computer game is software. (a) False (b) True
11. 11.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
12. 12.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
13. 13.🔍 Which is the odd one out? (a) hard disk (b) pen drive (c) solid-state drive (d) projector
14. 14.💾 How many KB are there in 3 MB?
15. 15.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a mouse (c) a speaker (d) a folder
16. 16.🔍 Which is the odd one out? (a) a printer (b) a speaker (c) a web browser (d) a pen drive
17. 17.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
18. 18.True or false: Ctrl+Z is the shortcut to print. (a) True (b) False
19. 19.Which of these is software? (a) a printer (b) a pen drive (c) a typing tutor (d) a hard disk
20. 20.Which shortcut do we press to cut? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+Z (d) Ctrl+X
21. 21.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
22. 22.💾 Which is smaller: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
23. 23.⌨️ In a word processor, what does Ctrl+Y do? (a) select all (b) copy (c) redo (d) save
24. 24.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) select (c) delete (d) save
25. 25.🧰 Is a solid-state drive a storage, input or output device? (a) a storage device (b) an output device (c) an input device
26. 26.🧾 Software is a set of ___ for the computer. (a) wires (b) instructions (c) buttons (d) screws
27. 27.True or false: a paint program is hardware. (a) False (b) True
28. 28.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
29. 29.🔍 Which is the odd one out? (a) hard disk (b) pen drive (c) printer (d) memory card
30. 30.True or false: to move a file means to get rid of it. (a) True (b) False
31. 31.📁 What do we call a folder inside another folder? (a) a printer (b) a big file (c) an icon (d) a subfolder
32. 32.⌨️ In a word processor, what does Ctrl+S do? (a) redo (b) save (c) cut (d) copy
33. 33.🧩 Is a scanner hardware or software? (a) hardware (b) software
34. 34.⌨️ In a word processor, what does Ctrl+C do? (a) save (b) undo (c) cut (d) copy
35. 35.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an input device (c) an output device
36. 36.Which shortcut do we press to paste? (a) Ctrl+Y (b) Ctrl+P (c) Ctrl+X (d) Ctrl+V
37. 37.⌨️ In a word processor, what does Ctrl+Z do? (a) paste (b) cut (c) redo (d) undo
38. 38.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) holds apps that are open (c) is temporary memory (d) keeps data when off
39. 39.True or false: storage (like a hard disk) holds apps that are open. (a) True (b) False
40. 40.📄 A file name ends in .avi. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture

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