Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 33 · 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 bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
2. 2.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) an icon (d) a printer
3. 3.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) save (c) print (d) select
4. 4.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
5. 5.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is the working memory (c) holds apps that are open (d) is permanent storage
6. 6.Which of these is true of storage (like a hard disk)? (a) keeps your saved files (b) is temporary memory (c) holds apps that are open (d) loses data when off
7. 7.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
8. 8.💾 How many bytes are there in 2 KB?
9. 9.💾 How many MB are there in 2 GB?
10. 10.True or false: to save a file means to store your work. (a) False (b) True
11. 11.True or false: a webcam is software. (a) True (b) False
12. 12.Which file ending is a sound? (a) .mp3 (b) .pdf (c) .jpg (d) .png
13. 13.⌨️ In a word processor, what does Ctrl+Y do? (a) save (b) redo (c) copy (d) select all
14. 14.Which of these is an input device? (a) projector (b) speaker (c) monitor (d) keyboard
15. 15.🔍 Which is the odd one out? (a) a calculator app (b) a typing tutor (c) a mouse (d) a music player app
16. 16.True or false: Ctrl+Y is the shortcut to cut. (a) True (b) False
17. 17.⌨️ In a word processor, what does Ctrl+P do? (a) copy (b) undo (c) print (d) cut
18. 18.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) delete (c) open (d) rename
19. 19.🏷️ Every file has a ___ so we can find it. (a) taste (b) name (c) weight (d) smell
20. 20.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
21. 21.💾 Which is smaller: 1 MB or 1 KB? (a) 1 KB (b) 1 MB
22. 22.💾 Which is smaller: 1 TB or 1 byte? (a) 1 byte (b) 1 TB
23. 23.🔍 Which is the odd one out? (a) a word processor (b) a webcam (c) a pen drive (d) a scanner
24. 24.📋 You want the same sentence in two places. What do you use first? (a) Delete (b) Undo (c) Backspace (d) Copy
25. 25.🧩 Is a music player app hardware or software? (a) hardware (b) software
26. 26.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
27. 27.📁 Which word means to “throw it away” (for a file or folder)? (a) copy (b) rename (c) delete (d) save
28. 28.True or false: a music player app is hardware. (a) True (b) False
29. 29.🔍 Which is the odd one out? (a) a mouse (b) a music player app (c) a keyboard (d) a scanner
30. 30.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the memory card (b) the pen drive (c) RAM (d) the hard disk
31. 31.📄 A file name ends in .mp3. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
32. 32.🧩 Is a paint program hardware or software? (a) hardware (b) software
33. 33.True or false: storage (like a hard disk) keeps data when off. (a) True (b) False
34. 34.⚡ Which is faster for the computer to work with? (a) a pen drive (b) RAM (c) a printer (d) a memory card
35. 35.⌨️ In a word processor, what does Ctrl+X do? (a) select all (b) redo (c) save (d) cut
36. 36.⌨️ In a word processor, what does Ctrl+S do? (a) undo (b) paste (c) save (d) copy
37. 37.Which shortcut do we press to redo? (a) Ctrl+V (b) Ctrl+Y (c) Ctrl+P (d) Ctrl+Z
38. 38.True or false: a speaker is an output device. (a) True (b) False
39. 39.Which shortcut do we press to paste? (a) Ctrl+X (b) Ctrl+V (c) Ctrl+P (d) Ctrl+S
40. 40.🧩 Is a speaker hardware or software? (a) software (b) hardware

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