Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 46 · 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+X is the shortcut to undo. (a) False (b) True
2. 2.🧩 Is a hard disk hardware or software? (a) hardware (b) software
3. 3.Which of these is an input device? (a) hard disk (b) mouse (c) solid-state drive (d) projector
4. 4.True or false: a mouse is software. (a) False (b) True
5. 5.True or false: a mouse is hardware. (a) False (b) True
6. 6.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) instructions (d) buttons
7. 7.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) tailors (d) programmers
8. 8.Which of these is software? (a) a mouse (b) a speaker (c) a pen drive (d) an operating system
9. 9.True or false: a pen drive is hardware. (a) False (b) True
10. 10.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+V (c) Ctrl+S (d) Ctrl+A
11. 11.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
12. 12.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) KB (d) bit
13. 13.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) paste (c) select all (d) undo
14. 14.True or false: RAM is permanent storage. (a) True (b) False
15. 15.💾 Which one keeps data when off: RAM or storage? (a) RAM (b) storage
16. 16.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
17. 17.💾 Which is bigger: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
18. 18.💾 Which is smaller: 1 GB or 1 MB? (a) 1 GB (b) 1 MB
19. 19.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
20. 20.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
21. 21.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) is permanent storage (c) holds apps that are open (d) is the working memory
22. 22.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
23. 23.📁 Which word means to “throw it away” (for a file or folder)? (a) open (b) copy (c) save (d) delete
24. 24.💾 How many KB are there in 2 MB?
25. 25.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+Z (d) Ctrl+Y
26. 26.⚡ Which is faster for the computer to work with? (a) a printer (b) a pen drive (c) a memory card (d) RAM
27. 27.📋 You want the same sentence in two places. What do you use first? (a) Copy (b) Backspace (c) Delete (d) Undo
28. 28.📄 A file name ends in .gif. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
29. 29.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
30. 30.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) print (c) save (d) select
31. 31.💾 How many bits are there in 10 bytes?
32. 32.📄 A file name ends in .mkv. What is it most likely? (a) a sound (b) a document (c) a video (d) a picture
33. 33.🧩 Is a scanner hardware or software? (a) software (b) hardware
34. 34.True or false: Ctrl+V is the shortcut to cut. (a) True (b) False
35. 35.Which file ending is a document? (a) .png (b) .avi (c) .pdf (d) .mkv
36. 36.Which of these is an output device? (a) solid-state drive (b) pen drive (c) microphone (d) projector
37. 37.Which of these is true of RAM? (a) keeps photos for years (b) is the working memory (c) is permanent storage (d) keeps data when off
38. 38.📄 A file name ends in .txt. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
39. 39.💾 How many KB are there in 3 MB?
40. 40.True or false: a hard disk is an input device. (a) False (b) True

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