Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 710 · 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 hardware? (a) a typing tutor (b) a word processor (c) a monitor (d) a paint program
2. 2.📁 What do we call a folder inside another folder? (a) a big file (b) a subfolder (c) a printer (d) an icon
3. 3.🏷️ Every file has a ___ so we can find it. (a) weight (b) name (c) taste (d) smell
4. 4.💾 Which is smaller: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
5. 5.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
6. 6.Which of these is an output device? (a) keyboard (b) solid-state drive (c) projector (d) hard disk
7. 7.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) byte (d) bit
8. 8.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) save (c) redo (d) cut
9. 9.💾 Which is bigger: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
10. 10.Which file ending is a sound? (a) .pdf (b) .jpg (c) .gif (d) .mp3
11. 11.True or false: a monitor is a storage device. (a) False (b) True
12. 12.Which of these is an output device? (a) mouse (b) keyboard (c) monitor (d) hard disk
13. 13.💾 How many bits are there in 12 bytes?
14. 14.📁 Which word means to “get rid of it” (for a file or folder)? (a) save (b) rename (c) delete (d) copy
15. 15.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) print (c) cut (d) save
16. 16.Which of these is true of RAM? (a) is permanent storage (b) loses data when off (c) keeps data when off (d) keeps photos for years
17. 17.Which of these is true of RAM? (a) is permanent storage (b) keeps photos for years (c) keeps data when off (d) is the working memory
18. 18.⌨️ In a word processor, what does Ctrl+S do? (a) select all (b) save (c) paste (d) print
19. 19.🧩 Is a music player app hardware or software? (a) software (b) hardware
20. 20.🔍 Which is the odd one out? (a) keyboard (b) monitor (c) microphone (d) scanner
21. 21.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) open (c) copy (d) delete
22. 22.🔍 Which is the odd one out? (a) a typing tutor (b) a calculator app (c) a web browser (d) a printer
23. 23.💾 Which is smaller: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
24. 24.💾 Which is bigger: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
25. 25.True or false: a speaker is a storage device. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) projector (b) printer (c) speaker (d) mouse
27. 27.Which of these is true of RAM? (a) keeps your saved files (b) is permanent storage (c) keeps data when off (d) is temporary memory
28. 28.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a folder (d) a speaker
29. 29.🔍 Which is the odd one out? (a) a typing tutor (b) an operating system (c) a speaker (d) a web browser
30. 30.🧾 Software is a set of ___ for the computer. (a) screws (b) buttons (c) wires (d) instructions
31. 31.💾 Which is smaller: 1 byte or 1 bit? (a) 1 bit (b) 1 byte
32. 32.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Copy (b) Delete (c) Cut (d) Redo
33. 33.🧩 Is an operating system hardware or software? (a) software (b) hardware
34. 34.💾 Which is smaller: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
35. 35.💾 How many MB are there in 1 GB?
36. 36.🔍 Which is the odd one out? (a) solid-state drive (b) speaker (c) hard disk (d) memory card
37. 37.True or false: a webcam is software. (a) True (b) False
38. 38.💾 How many KB are there in 3 MB?
39. 39.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+V (c) Ctrl+C (d) Ctrl+A
40. 40.True or false: a scanner is software. (a) True (b) False

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