Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 816 · 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+Y do? (a) undo (b) paste (c) select all (d) redo
2. 2.📄 A file name ends in .png. What is it most likely? (a) a document (b) a sound (c) a picture (d) a video
3. 3.🧩 Is a computer game hardware or software? (a) software (b) hardware
4. 4.Which shortcut do we press to copy? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+A (d) Ctrl+X
5. 5.Which of these is true of storage (like a hard disk)? (a) holds apps that are open (b) keeps data when off (c) is temporary memory (d) is the working memory
6. 6.Which of these is software? (a) a printer (b) a pen drive (c) a paint program (d) a mouse
7. 7.🧩 Is a keyboard hardware or software? (a) software (b) hardware
8. 8.True or false: a computer game is software. (a) True (b) False
9. 9.🧩 Is a webcam hardware or software? (a) software (b) hardware
10. 10.True or false: storage (like a hard disk) is permanent storage. (a) True (b) False
11. 11.Which of these is hardware? (a) a word processor (b) a web browser (c) a mouse (d) a computer game
12. 12.Which file ending is a video? (a) .gif (b) .wav (c) .mp3 (d) .mkv
13. 13.Which of these is hardware? (a) a typing tutor (b) a scanner (c) a calculator app (d) a music player app
14. 14.What does it mean to save a file? (a) throw it away (b) see what is inside (c) make a brand-new one (d) store your work
15. 15.Which of these is hardware? (a) a speaker (b) a paint program (c) a web browser (d) a music player app
16. 16.Which file ending is a picture? (a) .wav (b) .avi (c) .png (d) .mp4
17. 17.Which of these is hardware? (a) a paint program (b) a webcam (c) a computer game (d) a calculator app
18. 18.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
19. 19.True or false: RAM keeps your saved files. (a) True (b) False
20. 20.💾 Which is bigger: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
21. 21.🔢 A bit can be only 0 or ___. (a) 9 (b) 5 (c) 1 (d) 2
22. 22.Which of these is software? (a) a printer (b) a webcam (c) a computer game (d) a pen drive
23. 23.True or false: Ctrl+C is the shortcut to cut. (a) True (b) False
24. 24.📁 Which word means to “give it a new name” (for a file or folder)? (a) create (b) open (c) copy (d) rename
25. 25.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) delete (c) select (d) print
26. 26.🔍 Which is the odd one out? (a) a hard disk (b) a webcam (c) a keyboard (d) a paint program
27. 27.What does it mean to delete a file? (a) put it in another place (b) see what is inside (c) make a brand-new one (d) get rid of it
28. 28.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) redo (c) undo (d) cut
29. 29.💾 How many bytes are there in 3 KB?
30. 30.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) RAM (d) a pen drive
31. 31.Which shortcut do we press to save? (a) Ctrl+S (b) Ctrl+V (c) Ctrl+X (d) Ctrl+P
32. 32.⌨️ In a word processor, what does Ctrl+Z do? (a) cut (b) select all (c) copy (d) undo
33. 33.🔍 Which is the odd one out? (a) printer (b) pen drive (c) memory card (d) solid-state drive
34. 34.📁 Which word means to “make an exact twin” (for a file or folder)? (a) rename (b) save (c) copy (d) move
35. 35.True or false: to move a file means to throw it away. (a) True (b) False
36. 36.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) speaker (c) memory card (d) keyboard
37. 37.True or false: storage (like a hard disk) is temporary memory. (a) True (b) False
38. 38.Which of these is hardware? (a) a typing tutor (b) a web browser (c) a pen drive (d) a calculator app
39. 39.True or false: storage (like a hard disk) keeps photos for years. (a) False (b) True
40. 40.True or false: a web browser is hardware. (a) True (b) False

Free computer lessons, practice and worksheets at talentjr.in/computer-worksheets