Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 149 · 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 is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
2. 2.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
3. 3.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
4. 4.🧰 Is a pen drive a storage, input or output device? (a) an input device (b) a storage device (c) an output device
5. 5.Which of these is hardware? (a) a computer game (b) a calculator app (c) a typing tutor (d) a printer
6. 6.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) the hard disk (c) the pen drive (d) RAM
7. 7.What does it mean to delete a file? (a) give it a new name (b) see what is inside (c) store your work (d) get rid of it
8. 8.Which file ending is a picture? (a) .wav (b) .jpg (c) .txt (d) .pdf
9. 9.Which shortcut do we press to redo? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+S
10. 10.🧩 Is a monitor hardware or software? (a) software (b) hardware
11. 11.🔍 Which is the odd one out? (a) speaker (b) projector (c) mouse (d) printer
12. 12.📁 Which word means to “get rid of it” (for a file or folder)? (a) create (b) save (c) delete (d) rename
13. 13.🧩 Is a computer game hardware or software? (a) hardware (b) software
14. 14.📁 What do we call a folder inside another folder? (a) a subfolder (b) an icon (c) a big file (d) a printer
15. 15.Which shortcut do we press to paste? (a) Ctrl+Z (b) Ctrl+P (c) Ctrl+V (d) Ctrl+X
16. 16.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
17. 17.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) bit (d) GB
18. 18.📄 A file name ends in .txt. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
19. 19.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
20. 20.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
21. 21.Which of these is true of RAM? (a) is temporary memory (b) keeps photos for years (c) keeps your saved files (d) keeps data when off
22. 22.💾 Which is smaller: 1 MB or 1 TB? (a) 1 MB (b) 1 TB
23. 23.What does it mean to copy a file? (a) give it a new name (b) change its name (c) get rid of it (d) make an exact twin
24. 24.🔍 Which is the odd one out? (a) solid-state drive (b) hard disk (c) pen drive (d) projector
25. 25.💾 How many KB are there in 3 MB?
26. 26.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Copy (c) Undo (d) Cut
27. 27.True or false: Ctrl+Y is the shortcut to paste. (a) True (b) False
28. 28.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) copy (c) select all (d) save
29. 29.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is the working memory (c) keeps photos for years (d) is temporary memory
30. 30.🏷️ Every file has a ___ so we can find it. (a) smell (b) taste (c) weight (d) name
31. 31.💾 Which is bigger: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
32. 32.Which file ending is a document? (a) .pdf (b) .mp4 (c) .png (d) .jpg
33. 33.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) print (c) select (d) delete
34. 34.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
35. 35.🧩 Is a word processor hardware or software? (a) software (b) hardware
36. 36.True or false: Ctrl+X is the shortcut to print. (a) True (b) False
37. 37.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Redo (b) Delete (c) Copy (d) Cut
38. 38.💾 Which is smaller: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
39. 39.🧩 Is a printer hardware or software? (a) hardware (b) software
40. 40.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) is the working memory (c) holds apps that are open (d) keeps your saved files

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