Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 531 · 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.True or false: Ctrl+V is the shortcut to save. (a) False (b) True
2. 2.Which of these is an input device? (a) solid-state drive (b) printer (c) memory card (d) scanner
3. 3.What does it mean to save a file? (a) make an exact twin (b) throw it away (c) make a brand-new one (d) keep your work for later
4. 4.What does it mean to copy a file? (a) store your work (b) see what is inside (c) change its name (d) make an exact twin
5. 5.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
6. 6.Which of these is software? (a) a webcam (b) an operating system (c) a speaker (d) a scanner
7. 7.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
8. 8.📷 A camera keeps its photos on a small ___. (a) memory card (b) speaker (c) keyboard (d) mouse pad
9. 9.Which of these is software? (a) a hard disk (b) a pen drive (c) a calculator app (d) a keyboard
10. 10.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
11. 11.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) KB (d) bit
12. 12.True or false: RAM is permanent storage. (a) True (b) False
13. 13.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
14. 14.💾 How many bits are there in 3 bytes?
15. 15.Which shortcut do we press to undo? (a) Ctrl+X (b) Ctrl+C (c) Ctrl+Z (d) Ctrl+A
16. 16.Which of these is hardware? (a) a computer game (b) a printer (c) a word processor (d) an operating system
17. 17.Which shortcut do we press to save? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+V (d) Ctrl+S
18. 18.💾 How many MB are there in 2 GB?
19. 19.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) redo (c) print (d) cut
20. 20.🔍 Which is the odd one out? (a) a computer game (b) a mouse (c) a typing tutor (d) an operating system
21. 21.💾 Which is bigger: 1 GB or 1 TB? (a) 1 GB (b) 1 TB
22. 22.⌨️ In a word processor, what does Ctrl+C do? (a) copy (b) undo (c) cut (d) save
23. 23.What does it mean to move a file? (a) put it in another place (b) see what is inside (c) give it a new name (d) keep your work for later
24. 24.🔍 Which is the odd one out? (a) a calculator app (b) a pen drive (c) a paint program (d) a web browser
25. 25.True or false: a keyboard is software. (a) True (b) False
26. 26.🧩 Is a music player app hardware or software? (a) hardware (b) software
27. 27.⌨️ In a word processor, what does Ctrl+V do? (a) print (b) select all (c) cut (d) paste
28. 28.Which shortcut do we press to cut? (a) Ctrl+A (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+X
29. 29.💾 How many bits are there in 5 bytes?
30. 30.Which of these is true of RAM? (a) keeps data when off (b) is permanent storage (c) is temporary memory (d) keeps your saved files
31. 31.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
32. 32.📋 You want the same sentence in two places. What do you use first? (a) Backspace (b) Copy (c) Undo (d) Delete
33. 33.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+B (c) Ctrl+U (d) Ctrl+I
34. 34.💾 How many KB are there in 3 MB?
35. 35.🧩 Is a printer hardware or software? (a) software (b) hardware
36. 36.💾 Which one holds apps that are open: RAM or storage? (a) storage (b) RAM
37. 37.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Undo (c) Cut (d) Copy
38. 38.Which of these is an input device? (a) microphone (b) speaker (c) hard disk (d) monitor
39. 39.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) undo (c) paste (d) save
40. 40.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) select (c) delete (d) save

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