Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 784 · 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 shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+U (c) Ctrl+B (d) Ctrl+I
2. 2.▌ What is the blinking line that shows where you will type? (a) the icon (b) the cursor (c) the toolbar (d) the folder
3. 3.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) bit (d) byte
4. 4.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Redo (b) Delete (c) Cut (d) Copy
5. 5.🔍 Which is the odd one out? (a) memory card (b) monitor (c) solid-state drive (d) pen drive
6. 6.💾 Which is bigger: 1 bit or 1 TB? (a) 1 bit (b) 1 TB
7. 7.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
8. 8.True or false: a microphone is a storage device. (a) True (b) False
9. 9.🧩 Is a word processor hardware or software? (a) software (b) hardware
10. 10.👩‍💻 What do we call people who write software? (a) tailors (b) plumbers (c) farmers (d) programmers
11. 11.🧩 Is a calculator app hardware or software? (a) hardware (b) software
12. 12.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) RAM (c) the memory card (d) the hard disk
13. 13.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
14. 14.⌨️ In a word processor, what does Ctrl+Z do? (a) save (b) undo (c) select all (d) copy
15. 15.True or false: Ctrl+X is the shortcut to paste. (a) False (b) True
16. 16.What does it mean to rename a file? (a) see what is inside (b) make an exact twin (c) change its name (d) get rid of it
17. 17.True or false: a mouse is hardware. (a) False (b) True
18. 18.🧩 Is a hard disk hardware or software? (a) software (b) hardware
19. 19.Which file ending is a video? (a) .mkv (b) .png (c) .jpg (d) .wav
20. 20.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
21. 21.What does it mean to open a file? (a) see what is inside (b) store your work (c) put it in another place (d) make an exact twin
22. 22.True or false: to delete a file means to get rid of it. (a) True (b) False
23. 23.True or false: Ctrl+C is the shortcut to copy. (a) False (b) True
24. 24.True or false: storage (like a hard disk) keeps data when off. (a) False (b) True
25. 25.True or false: Ctrl+V is the shortcut to paste. (a) False (b) True
26. 26.⌨️ In a word processor, what does Ctrl+X do? (a) print (b) cut (c) save (d) copy
27. 27.💾 Which is bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
28. 28.What does it mean to create a file? (a) store your work (b) change its name (c) see what is inside (d) make a brand-new one
29. 29.📄 A file name ends in .mp4. What is it most likely? (a) a video (b) a document (c) a sound (d) a picture
30. 30.True or false: a printer is hardware. (a) False (b) True
31. 31.True or false: RAM is temporary memory. (a) False (b) True
32. 32.💾 How many MB are there in 2 GB?
33. 33.🧩 Is a music player app hardware or software? (a) hardware (b) software
34. 34.True or false: a pen drive is an input device. (a) True (b) False
35. 35.🧩 Is a paint program hardware or software? (a) software (b) hardware
36. 36.Which of these is true of storage (like a hard disk)? (a) is the working memory (b) loses data when off (c) is temporary memory (d) keeps your saved files
37. 37.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a folder (c) a pixel (d) a speaker
38. 38.Which of these is an input device? (a) projector (b) hard disk (c) speaker (d) keyboard
39. 39.Which of these is an output device? (a) microphone (b) printer (c) keyboard (d) mouse
40. 40.True or false: a paint program is software. (a) True (b) False

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