Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 962 · 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) GB (b) KB (c) byte (d) bit
2. 2.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
3. 3.💾 Which is bigger: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
4. 4.💾 Which is bigger: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
5. 5.🧩 Is a monitor hardware or software? (a) software (b) hardware
6. 6.🔍 Which is the odd one out? (a) an operating system (b) a paint program (c) a web browser (d) a webcam
7. 7.True or false: a speaker is an input device. (a) False (b) True
8. 8.🧩 Is a paint program hardware or software? (a) hardware (b) software
9. 9.✋ Which can we touch: hardware or software? (a) hardware (b) software
10. 10.▌ What is the blinking line that shows where you will type? (a) the icon (b) the toolbar (c) the cursor (d) the folder
11. 11.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 2 (d) 1
12. 12.🧰 Is a solid-state drive a storage, input or output device? (a) a storage device (b) an input device (c) an output device
13. 13.💾 Which is bigger: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
14. 14.What does it mean to rename a file? (a) change its name (b) throw it away (c) put it in another place (d) store your work
15. 15.💾 Which one keeps your saved files: RAM or storage? (a) RAM (b) storage
16. 16.⌨️ In a word processor, what does Ctrl+Z do? (a) redo (b) paste (c) undo (d) cut
17. 17.Which of these is hardware? (a) a music player app (b) a computer game (c) a webcam (d) an operating system
18. 18.True or false: a computer game is software. (a) True (b) False
19. 19.🔍 Which is the odd one out? (a) keyboard (b) speaker (c) mouse (d) scanner
20. 20.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) copy (c) save (d) select all
21. 21.Which shortcut do we press to undo? (a) Ctrl+Z (b) Ctrl+V (c) Ctrl+A (d) Ctrl+P
22. 22.📁 Which word means to “keep your work for later” (for a file or folder)? (a) save (b) copy (c) rename (d) move
23. 23.📁 Which word means to “make an exact twin” (for a file or folder)? (a) save (b) create (c) move (d) copy
24. 24.🔍 Which is the odd one out? (a) a scanner (b) a word processor (c) a printer (d) a speaker
25. 25.🔍 Which is the odd one out? (a) pen drive (b) solid-state drive (c) microphone (d) hard disk
26. 26.🔍 Which is the odd one out? (a) mouse (b) microphone (c) printer (d) scanner
27. 27.💾 How many GB are there in 2 TB?
28. 28.Which file ending is a video? (a) .png (b) .txt (c) .avi (d) .jpg
29. 29.💾 Which one keeps photos for years: RAM or storage? (a) RAM (b) storage
30. 30.True or false: a music player app is hardware. (a) True (b) False
31. 31.Which of these is hardware? (a) a web browser (b) a pen drive (c) a music player app (d) a paint program
32. 32.True or false: to delete a file means to make a brand-new one. (a) False (b) True
33. 33.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
34. 34.What does it mean to save a file? (a) make a brand-new one (b) change its name (c) store your work (d) make an exact twin
35. 35.True or false: a pen drive is a storage device. (a) False (b) True
36. 36.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
37. 37.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) select all (c) paste (d) redo
38. 38.True or false: a web browser is software. (a) True (b) False
39. 39.Which shortcut do we press to select all? (a) Ctrl+A (b) Ctrl+P (c) Ctrl+S (d) Ctrl+V
40. 40.What does it mean to copy a file? (a) throw it away (b) get rid of it (c) give it a new name (d) make an exact twin

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