Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 930 · 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 of these is true of storage (like a hard disk)? (a) holds apps that are open (b) is temporary memory (c) is permanent storage (d) is the working memory
2. 2.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) is the working memory (c) keeps data when off (d) loses data when off
3. 3.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) byte (d) GB
4. 4.💾 How many MB are there in 1 GB?
5. 5.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the memory card (c) the hard disk (d) the pen drive
6. 6.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
7. 7.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
8. 8.🔍 Which is the odd one out? (a) a hard disk (b) a calculator app (c) a music player app (d) a word processor
9. 9.💾 Which one is permanent storage: RAM or storage? (a) storage (b) RAM
10. 10.True or false: storage (like a hard disk) holds apps that are open. (a) True (b) False
11. 11.💾 Which is bigger: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
12. 12.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) redo (c) copy (d) undo
13. 13.💾 How many KB are there in 3 MB?
14. 14.⌨️ In a word processor, what does Ctrl+P do? (a) save (b) paste (c) copy (d) print
15. 15.📁 Which word means to “get rid of it” (for a file or folder)? (a) copy (b) delete (c) rename (d) create
16. 16.Which of these is software? (a) a keyboard (b) a speaker (c) a pen drive (d) a calculator app
17. 17.🔍 Which is the odd one out? (a) pen drive (b) microphone (c) keyboard (d) scanner
18. 18.Which of these is software? (a) a music player app (b) a printer (c) a monitor (d) a pen drive
19. 19.💾 How many bytes are there in 4 KB?
20. 20.💾 How many bits are there in 3 bytes?
21. 21.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Backspace (c) Delete (d) Copy
22. 22.Which file ending is a picture? (a) .pdf (b) .mkv (c) .mp4 (d) .png
23. 23.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) keeps data when off (d) loses data when off
24. 24.🔍 Which is the odd one out? (a) a web browser (b) a printer (c) a mouse (d) a keyboard
25. 25.Which shortcut do we press to save? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+P (d) Ctrl+S
26. 26.💾 Which is smaller: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
27. 27.🧩 Is a pen drive hardware or software? (a) hardware (b) software
28. 28.💾 Which is smaller: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
29. 29.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an input device (c) an output device
30. 30.True or false: a speaker is an output device. (a) False (b) True
31. 31.⌨️ In a word processor, what does Ctrl+S do? (a) print (b) paste (c) select all (d) save
32. 32.Which file ending is a sound? (a) .mp4 (b) .mkv (c) .mp3 (d) .txt
33. 33.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
34. 34.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
35. 35.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
36. 36.💾 Which one is temporary memory: RAM or storage? (a) storage (b) RAM
37. 37.💾 How many KB are there in 2 MB?
38. 38.▌ What is the blinking line that shows where you will type? (a) the cursor (b) the icon (c) the folder (d) the toolbar
39. 39.Which of these is hardware? (a) a paint program (b) a web browser (c) a monitor (d) a word processor
40. 40.🧩 Is a paint program hardware or software? (a) hardware (b) software

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