Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 775 · 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 data when off (b) keeps your saved files (c) loses data when off (d) keeps photos for years
2. 2.🧩 Is a music player app hardware or software? (a) software (b) hardware
3. 3.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+A (c) Ctrl+P (d) Ctrl+S
4. 4.True or false: Ctrl+Z is the shortcut to undo. (a) False (b) True
5. 5.🧩 Is a keyboard hardware or software? (a) software (b) hardware
6. 6.True or false: Ctrl+C is the shortcut to redo. (a) False (b) True
7. 7.Which shortcut do we press to copy? (a) Ctrl+A (b) Ctrl+X (c) Ctrl+C (d) Ctrl+V
8. 8.🔍 Which is the odd one out? (a) a word processor (b) a typing tutor (c) a monitor (d) a web browser
9. 9.📁 Which word means to “give it a new name” (for a file or folder)? (a) copy (b) move (c) save (d) rename
10. 10.💡 What is the smallest unit of computer memory? (a) byte (b) bit (c) KB (d) GB
11. 11.True or false: Ctrl+A is the shortcut to copy. (a) True (b) False
12. 12.True or false: a printer is software. (a) True (b) False
13. 13.True or false: a mouse is software. (a) False (b) True
14. 14.💾 Which is bigger: 1 byte or 1 bit? (a) 1 byte (b) 1 bit
15. 15.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) keeps your saved files (c) loses data when off (d) is temporary memory
16. 16.💾 How many KB are there in 1 MB?
17. 17.What does it mean to move a file? (a) change its name (b) put it in another place (c) throw it away (d) give it a new name
18. 18.What does it mean to open a file? (a) give it a new name (b) make an exact twin (c) see what is inside (d) throw it away
19. 19.🧾 Software is a set of ___ for the computer. (a) instructions (b) screws (c) wires (d) buttons
20. 20.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
21. 21.Which shortcut do we press to select all? (a) Ctrl+Y (b) Ctrl+Z (c) Ctrl+S (d) Ctrl+A
22. 22.💾 Which is smaller: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
23. 23.✋ Which can we touch: hardware or software? (a) hardware (b) software
24. 24.🧩 Is a printer hardware or software? (a) software (b) hardware
25. 25.🧩 Is a word processor hardware or software? (a) software (b) hardware
26. 26.📁 Which word means to “store your work” (for a file or folder)? (a) move (b) save (c) rename (d) delete
27. 27.💾 Which is smaller: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
28. 28.Which of these is software? (a) a monitor (b) a speaker (c) a printer (d) a web browser
29. 29.True or false: a monitor is an output device. (a) True (b) False
30. 30.💾 Which is smaller: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
31. 31.Which of these is software? (a) a mouse (b) a speaker (c) a pen drive (d) a calculator app
32. 32.📁 Which word means to “make an exact twin” (for a file or folder)? (a) save (b) copy (c) rename (d) delete
33. 33.🧰 Is a projector a storage, input or output device? (a) an input device (b) an output device (c) a storage device
34. 34.💾 Which is smaller: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
35. 35.🧩 Is a mouse hardware or software? (a) hardware (b) software
36. 36.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Delete (c) Backspace (d) Undo
37. 37.True or false: a pen drive is an output device. (a) True (b) False
38. 38.🔍 Which is the odd one out? (a) a web browser (b) a paint program (c) a computer game (d) a keyboard
39. 39.⌨️ In a word processor, what does Ctrl+Z do? (a) copy (b) select all (c) paste (d) undo
40. 40.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a memory card (c) RAM (d) a printer

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