Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 888 · 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 RAM? (a) keeps photos for years (b) keeps data when off (c) loses data when off (d) is permanent storage
2. 2.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
3. 3.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
4. 4.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Undo (c) Delete (d) Copy
5. 5.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
6. 6.🔍 Which is the odd one out? (a) a printer (b) a hard disk (c) a mouse (d) a computer game
7. 7.🔍 Which is the odd one out? (a) projector (b) microphone (c) keyboard (d) scanner
8. 8.🔍 Which is the odd one out? (a) speaker (b) printer (c) monitor (d) mouse
9. 9.Which of these is hardware? (a) a paint program (b) a calculator app (c) a word processor (d) a keyboard
10. 10.💾 How many bits are there in 8 bytes?
11. 11.Which of these is software? (a) a calculator app (b) a hard disk (c) a mouse (d) a keyboard
12. 12.Which shortcut do we press to undo? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+X (d) Ctrl+Z
13. 13.🏷️ Every file has a ___ so we can find it. (a) smell (b) name (c) weight (d) taste
14. 14.Which shortcut do we press to save? (a) Ctrl+V (b) Ctrl+P (c) Ctrl+S (d) Ctrl+Z
15. 15.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
16. 16.🧩 Is a mouse hardware or software? (a) software (b) hardware
17. 17.🧩 Is a webcam hardware or software? (a) software (b) hardware
18. 18.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
19. 19.True or false: a keyboard is software. (a) True (b) False
20. 20.Which of these is software? (a) a music player app (b) a pen drive (c) a printer (d) a hard disk
21. 21.⌨️ In a word processor, what does Ctrl+X do? (a) cut (b) print (c) select all (d) undo
22. 22.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a video (c) a document (d) a sound
23. 23.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) paste (c) undo (d) save
24. 24.Which of these is software? (a) a pen drive (b) a scanner (c) a web browser (d) a mouse
25. 25.True or false: a word processor is hardware. (a) False (b) True
26. 26.💾 Which is smaller: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
27. 27.⌨️ In a word processor, what does Ctrl+V do? (a) cut (b) save (c) paste (d) redo
28. 28.🧩 Is a web browser hardware or software? (a) software (b) hardware
29. 29.🔍 Which is the odd one out? (a) pen drive (b) hard disk (c) monitor (d) memory card
30. 30.📁 What do we call a folder inside another folder? (a) a printer (b) a big file (c) an icon (d) a subfolder
31. 31.🔍 Which is the odd one out? (a) a printer (b) a paint program (c) a mouse (d) a webcam
32. 32.Which file ending is a picture? (a) .pdf (b) .wav (c) .gif (d) .mkv
33. 33.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) is temporary memory (c) keeps photos for years (d) loses data when off
34. 34.🔍 Which is the odd one out? (a) a keyboard (b) a webcam (c) a pen drive (d) a word processor
35. 35.True or false: to open a file means to see what is inside. (a) False (b) True
36. 36.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
37. 37.True or false: to save a file means to throw it away. (a) False (b) True
38. 38.Which file ending is a picture? (a) .mkv (b) .wav (c) .mp3 (d) .png
39. 39.☁️ Saving files on the internet to use from anywhere is called ___. (a) box storage (b) cloud storage (c) rain storage (d) paper storage
40. 40.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) save (c) delete (d) print

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