Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 106 · 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.True or false: a hard disk is a storage device. (a) True (b) False
2. 2.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
3. 3.Which of these is hardware? (a) a music player app (b) a word processor (c) a monitor (d) a calculator app
4. 4.🧩 Is a mouse hardware or software? (a) software (b) hardware
5. 5.True or false: Ctrl+Y is the shortcut to save. (a) False (b) True
6. 6.True or false: Ctrl+A is the shortcut to select all. (a) True (b) False
7. 7.👩‍💻 What do we call people who write software? (a) farmers (b) tailors (c) programmers (d) plumbers
8. 8.Which shortcut do we press to save? (a) Ctrl+C (b) Ctrl+Y (c) Ctrl+X (d) Ctrl+S
9. 9.True or false: RAM loses data when off. (a) True (b) False
10. 10.True or false: a microphone is an input device. (a) False (b) True
11. 11.True or false: a speaker is hardware. (a) False (b) True
12. 12.📄 A file name ends in .avi. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
13. 13.⌨️ In a word processor, what does Ctrl+S do? (a) save (b) undo (c) select all (d) redo
14. 14.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Save (d) Undo
15. 15.📁 Which word means to “make an exact twin” (for a file or folder)? (a) copy (b) rename (c) save (d) create
16. 16.Which of these is true of RAM? (a) loses data when off (b) keeps photos for years (c) keeps data when off (d) keeps your saved files
17. 17.True or false: Ctrl+S is the shortcut to paste. (a) True (b) False
18. 18.🧰 Is a solid-state drive a storage, input or output device? (a) an output device (b) an input device (c) a storage device
19. 19.Which file ending is a sound? (a) .txt (b) .mp3 (c) .png (d) .gif
20. 20.📷 A camera keeps its photos on a small ___. (a) speaker (b) mouse pad (c) keyboard (d) memory card
21. 21.True or false: a scanner is software. (a) True (b) False
22. 22.🧩 Is a web browser hardware or software? (a) software (b) hardware
23. 23.True or false: a printer is hardware. (a) True (b) False
24. 24.Which of these is true of RAM? (a) is temporary memory (b) keeps data when off (c) is permanent storage (d) keeps photos for years
25. 25.Which shortcut do we press to copy? (a) Ctrl+V (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+X
26. 26.Which file ending is a document? (a) .pdf (b) .wav (c) .gif (d) .avi
27. 27.🧩 Is a printer hardware or software? (a) software (b) hardware
28. 28.Which of these is true of storage (like a hard disk)? (a) keeps your saved files (b) is the working memory (c) loses data when off (d) holds apps that are open
29. 29.🔍 Which is the odd one out? (a) a printer (b) a mouse (c) a webcam (d) a music player app
30. 30.🔍 Which is the odd one out? (a) a typing tutor (b) a calculator app (c) a webcam (d) a paint program
31. 31.Which file ending is a sound? (a) .wav (b) .mp4 (c) .jpg (d) .gif
32. 32.⌨️ In a word processor, what does Ctrl+V do? (a) paste (b) redo (c) undo (d) save
33. 33.🔍 Which is the odd one out? (a) solid-state drive (b) pen drive (c) monitor (d) memory card
34. 34.True or false: Ctrl+C is the shortcut to select all. (a) True (b) False
35. 35.What does it mean to copy a file? (a) make an exact twin (b) see what is inside (c) keep your work for later (d) make a brand-new one
36. 36.🏷️ Every file has a ___ so we can find it. (a) name (b) taste (c) smell (d) weight
37. 37.True or false: Ctrl+X is the shortcut to cut. (a) True (b) False
38. 38.What does it mean to delete a file? (a) give it a new name (b) keep your work for later (c) put it in another place (d) get rid of it
39. 39.⌨️ In a word processor, what does Ctrl+Y do? (a) copy (b) select all (c) redo (d) undo
40. 40.Which file ending is a video? (a) .pdf (b) .jpg (c) .txt (d) .mkv

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