Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 414 · 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 do we press to redo? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+P (d) Ctrl+Y
2. 2.⌨️ In a word processor, what does Ctrl+A do? (a) paste (b) undo (c) select all (d) redo
3. 3.True or false: to rename a file means to give it a new name. (a) True (b) False
4. 4.📷 A camera keeps its photos on a small ___. (a) memory card (b) speaker (c) mouse pad (d) keyboard
5. 5.True or false: to rename a file means to get rid of it. (a) False (b) True
6. 6.⌨️ In a word processor, what does Ctrl+C do? (a) print (b) save (c) redo (d) copy
7. 7.Which of these is true of RAM? (a) is permanent storage (b) loses data when off (c) keeps data when off (d) keeps your saved files
8. 8.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a document (c) a sound (d) a video
9. 9.Which of these is hardware? (a) a computer game (b) a paint program (c) a monitor (d) an operating system
10. 10.True or false: to copy a file means to see what is inside. (a) True (b) False
11. 11.🧩 Is a printer hardware or software? (a) software (b) hardware
12. 12.🧰 Is a solid-state drive a storage, input or output device? (a) an input device (b) a storage device (c) an output device
13. 13.True or false: a microphone is an input device. (a) True (b) False
14. 14.🔍 Which is the odd one out? (a) a word processor (b) a webcam (c) a hard disk (d) a monitor
15. 15.🔍 Which is the odd one out? (a) a word processor (b) a web browser (c) a webcam (d) a computer game
16. 16.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a mouse (d) a folder
17. 17.True or false: a paint program is software. (a) True (b) False
18. 18.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Delete (c) Print (d) Cut
19. 19.What does it mean to copy a file? (a) keep your work for later (b) put it in another place (c) make an exact twin (d) change its name
20. 20.True or false: an operating system is hardware. (a) True (b) False
21. 21.True or false: a webcam is hardware. (a) False (b) True
22. 22.Which of these is an input device? (a) projector (b) speaker (c) mouse (d) printer
23. 23.🔍 Which is the odd one out? (a) a web browser (b) a calculator app (c) a typing tutor (d) a mouse
24. 24.True or false: to delete a file means to change its name. (a) True (b) False
25. 25.Which file ending is a document? (a) .mkv (b) .gif (c) .mp3 (d) .txt
26. 26.📄 A file name ends in .txt. What is it most likely? (a) a document (b) a video (c) a sound (d) a picture
27. 27.True or false: storage (like a hard disk) is permanent storage. (a) True (b) False
28. 28.💾 How many bytes are there in 2 KB?
29. 29.Which file ending is a video? (a) .gif (b) .wav (c) .mp3 (d) .mp4
30. 30.🧩 Is a music player app hardware or software? (a) software (b) hardware
31. 31.Which of these is true of RAM? (a) holds apps that are open (b) keeps data when off (c) is permanent storage (d) keeps your saved files
32. 32.Which shortcut do we press to save? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+C (d) Ctrl+S
33. 33.📁 Which word means to “keep your work for later” (for a file or folder)? (a) create (b) delete (c) save (d) move
34. 34.💡 What is the smallest unit of computer memory? (a) GB (b) KB (c) byte (d) bit
35. 35.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
36. 36.💾 How many bits are there in 7 bytes?
37. 37.⌨️ In a word processor, what does Ctrl+Y do? (a) redo (b) save (c) select all (d) copy
38. 38.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) print (c) cut (d) save
39. 39.⌨️ In a word processor, what does Ctrl+P do? (a) copy (b) select all (c) print (d) cut
40. 40.💾 Which is bigger: 1 TB or 1 MB? (a) 1 MB (b) 1 TB

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