Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 211 · 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.⌨️ In a word processor, what does Ctrl+Z do? (a) cut (b) undo (c) select all (d) save
2. 2.💾 How many bits are there in 7 bytes?
3. 3.📄 A file name ends in .png. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
4. 4.Which of these is software? (a) a hard disk (b) a speaker (c) a computer game (d) a keyboard
5. 5.Which of these is a storage device? (a) projector (b) memory card (c) microphone (d) keyboard
6. 6.Which shortcut do we press to paste? (a) Ctrl+Y (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+X
7. 7.💾 Which is bigger: 1 KB or 1 TB? (a) 1 KB (b) 1 TB
8. 8.💾 How many bytes are there in 2 KB?
9. 9.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
10. 10.💾 How many bytes are there in 1 KB?
11. 11.🧩 Is a web browser hardware or software? (a) hardware (b) software
12. 12.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a video (c) a picture (d) a document
13. 13.💡 What is the smallest unit of computer memory? (a) byte (b) KB (c) GB (d) bit
14. 14.💾 Which is smaller: 1 GB or 1 KB? (a) 1 GB (b) 1 KB
15. 15.True or false: Ctrl+Y is the shortcut to redo. (a) False (b) True
16. 16.True or false: storage (like a hard disk) keeps your saved files. (a) False (b) True
17. 17.True or false: a pen drive is a storage device. (a) True (b) False
18. 18.💾 How many bits are there in 9 bytes?
19. 19.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) save (b) create (c) delete (d) copy
20. 20.True or false: a scanner is hardware. (a) False (b) True
21. 21.Which of these is true of RAM? (a) keeps photos for years (b) is temporary memory (c) keeps data when off (d) is permanent storage
22. 22.🧩 Is a scanner hardware or software? (a) software (b) hardware
23. 23.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+Y (c) Ctrl+S (d) Ctrl+A
24. 24.✋ Which can we touch: hardware or software? (a) software (b) hardware
25. 25.True or false: Ctrl+C is the shortcut to undo. (a) True (b) False
26. 26.🔍 Which is the odd one out? (a) a mouse (b) a keyboard (c) an operating system (d) a webcam
27. 27.🔍 Which is the odd one out? (a) speaker (b) printer (c) projector (d) memory card
28. 28.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
29. 29.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) rain storage (c) cloud storage (d) box storage
30. 30.🧩 Is a monitor hardware or software? (a) hardware (b) software
31. 31.Which shortcut do we press to copy? (a) Ctrl+A (b) Ctrl+X (c) Ctrl+C (d) Ctrl+P
32. 32.True or false: a mouse is an input device. (a) False (b) True
33. 33.True or false: to delete a file means to throw it away. (a) True (b) False
34. 34.⚡ Which is faster for the computer to work with? (a) a pen drive (b) a printer (c) a memory card (d) RAM
35. 35.💾 How many GB are there in 1 TB?
36. 36.📁 Which word means to “change its name” (for a file or folder)? (a) delete (b) copy (c) rename (d) create
37. 37.💾 How many KB are there in 3 MB?
38. 38.True or false: to move a file means to put it in another place. (a) False (b) True
39. 39.🧰 Is a pen drive a storage, input or output device? (a) an input device (b) an output device (c) a storage device
40. 40.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Print (d) Cut

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