Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 296 · 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.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) delete (c) select (d) print
2. 2.True or false: a web browser is software. (a) False (b) True
3. 3.💾 How many KB are there in 1 MB?
4. 4.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
5. 5.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) redo (c) select all (d) paste
6. 6.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) keeps photos for years (c) is temporary memory (d) loses data when off
7. 7.Which of these is software? (a) a keyboard (b) a computer game (c) a pen drive (d) a webcam
8. 8.🧩 Is a computer game hardware or software? (a) hardware (b) software
9. 9.⌨️ In a word processor, what does Ctrl+V do? (a) cut (b) select all (c) save (d) paste
10. 10.🧾 Software is a set of ___ for the computer. (a) wires (b) buttons (c) screws (d) instructions
11. 11.True or false: a printer is an output device. (a) False (b) True
12. 12.True or false: a keyboard is an input device. (a) True (b) False
13. 13.💾 Which is smaller: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
14. 14.💾 How many bits are there in 2 bytes?
15. 15.Which shortcut do we press to paste? (a) Ctrl+Y (b) Ctrl+X (c) Ctrl+C (d) Ctrl+V
16. 16.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) undo (c) save (d) copy
17. 17.Which shortcut do we press to print? (a) Ctrl+S (b) Ctrl+C (c) Ctrl+X (d) Ctrl+P
18. 18.💾 How many KB are there in 4 MB?
19. 19.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
20. 20.🧩 Is a music player app hardware or software? (a) hardware (b) software
21. 21.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
22. 22.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Print (d) Cut
23. 23.Which shortcut do we press to select all? (a) Ctrl+V (b) Ctrl+Z (c) Ctrl+A (d) Ctrl+P
24. 24.What does it mean to delete a file? (a) give it a new name (b) get rid of it (c) see what is inside (d) make a brand-new one
25. 25.Which shortcut do we press to save? (a) Ctrl+Y (b) Ctrl+A (c) Ctrl+C (d) Ctrl+S
26. 26.What does it mean to open a file? (a) keep your work for later (b) see what is inside (c) give it a new name (d) change its name
27. 27.💾 How many bytes are there in 1 KB?
28. 28.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
29. 29.🧩 Is a hard disk hardware or software? (a) hardware (b) software
30. 30.🔍 Which is the odd one out? (a) a scanner (b) a webcam (c) a keyboard (d) a computer game
31. 31.🔍 Which is the odd one out? (a) hard disk (b) memory card (c) speaker (d) pen drive
32. 32.📄 A file name ends in .wav. What is it most likely? (a) a sound (b) a video (c) a document (d) a picture
33. 33.Which of these is software? (a) a calculator app (b) a printer (c) a mouse (d) a monitor
34. 34.💾 Which one is the working memory: RAM or storage? (a) storage (b) RAM
35. 35.💾 Which is smaller: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
36. 36.🔢 A bit can be only 0 or ___. (a) 5 (b) 2 (c) 9 (d) 1
37. 37.⌨️ In a word processor, what does Ctrl+S do? (a) select all (b) redo (c) save (d) paste
38. 38.🧩 Is a calculator app hardware or software? (a) software (b) hardware
39. 39.True or false: to copy a file means to get rid of it. (a) False (b) True
40. 40.📁 Which word means to “make an exact twin” (for a file or folder)? (a) move (b) copy (c) open (d) rename

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