Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 976 · 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.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) byte (d) GB
2. 2.Which shortcut do we press to cut? (a) Ctrl+Z (b) Ctrl+A (c) Ctrl+X (d) Ctrl+P
3. 3.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a memory card (c) a printer (d) RAM
4. 4.🔍 Which is the odd one out? (a) pen drive (b) solid-state drive (c) projector (d) hard disk
5. 5.⌨️ In a word processor, what does Ctrl+V do? (a) save (b) paste (c) undo (d) cut
6. 6.True or false: a keyboard is a storage device. (a) False (b) True
7. 7.💾 How many bytes are there in 2 KB?
8. 8.True or false: to save a file means to keep your work for later. (a) False (b) True
9. 9.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
10. 10.💾 How many GB are there in 1 TB?
11. 11.True or false: Ctrl+S is the shortcut to undo. (a) True (b) False
12. 12.True or false: a monitor is software. (a) False (b) True
13. 13.True or false: to rename a file means to throw it away. (a) False (b) True
14. 14.💾 How many bytes are there in 1 KB?
15. 15.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
16. 16.🔍 Which is the odd one out? (a) a calculator app (b) a music player app (c) an operating system (d) a pen drive
17. 17.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
18. 18.True or false: a printer is an input device. (a) False (b) True
19. 19.Which of these is an input device? (a) solid-state drive (b) microphone (c) hard disk (d) projector
20. 20.🧩 Is a computer game hardware or software? (a) software (b) hardware
21. 21.True or false: Ctrl+Y is the shortcut to paste. (a) True (b) False
22. 22.🧰 Is a projector a storage, input or output device? (a) a storage device (b) an output device (c) an input device
23. 23.True or false: to save a file means to see what is inside. (a) True (b) False
24. 24.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
25. 25.📄 A file name ends in .jpg. What is it most likely? (a) a video (b) a sound (c) a picture (d) a document
26. 26.🧩 Is a speaker hardware or software? (a) software (b) hardware
27. 27.🧩 Is a keyboard hardware or software? (a) software (b) hardware
28. 28.💾 Which is smaller: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
29. 29.⌨️ In a word processor, what does Ctrl+Z do? (a) select all (b) save (c) undo (d) print
30. 30.Which shortcut do we press to redo? (a) Ctrl+P (b) Ctrl+X (c) Ctrl+Y (d) Ctrl+Z
31. 31.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
32. 32.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) RAM (c) the hard disk (d) the memory card
33. 33.📁 Which word means to “put it in another place” (for a file or folder)? (a) create (b) delete (c) rename (d) move
34. 34.🔍 Which is the odd one out? (a) a typing tutor (b) a monitor (c) a webcam (d) a hard disk
35. 35.💾 Which is bigger: 1 MB or 1 GB? (a) 1 GB (b) 1 MB
36. 36.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) move (c) create (d) delete
37. 37.Which of these is true of RAM? (a) keeps photos for years (b) keeps data when off (c) is the working memory (d) is permanent storage
38. 38.📁 Which word means to “keep your work for later” (for a file or folder)? (a) move (b) rename (c) copy (d) save
39. 39.Which of these is hardware? (a) a paint program (b) an operating system (c) a pen drive (d) a calculator app
40. 40.Which of these is software? (a) a scanner (b) a speaker (c) a hard disk (d) a calculator app

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