Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 636 · 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 does it mean to delete a file? (a) see what is inside (b) get rid of it (c) keep your work for later (d) store your work
2. 2.💡 What is the smallest unit of computer memory? (a) KB (b) bit (c) GB (d) byte
3. 3.💾 Which is smaller: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
4. 4.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
5. 5.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
6. 6.True or false: a solid-state drive is an input device. (a) False (b) True
7. 7.True or false: RAM is permanent storage. (a) False (b) True
8. 8.📄 A file name ends in .pdf. What is it most likely? (a) a sound (b) a document (c) a video (d) a picture
9. 9.True or false: to rename a file means to give it a new name. (a) False (b) True
10. 10.True or false: a microphone is an input device. (a) True (b) False
11. 11.💾 Which is bigger: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
12. 12.📷 A camera keeps its photos on a small ___. (a) keyboard (b) speaker (c) mouse pad (d) memory card
13. 13.✋ Which can we touch: hardware or software? (a) software (b) hardware
14. 14.🔍 Which shortcut helps you find a word in a long story? (a) Ctrl+F (b) Ctrl+B (c) Ctrl+I (d) Ctrl+U
15. 15.⌨️ In a word processor, what does Ctrl+X do? (a) redo (b) cut (c) undo (d) paste
16. 16.Which of these is software? (a) an operating system (b) a speaker (c) a scanner (d) a keyboard
17. 17.Which file ending is a picture? (a) .pdf (b) .mkv (c) .wav (d) .jpg
18. 18.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
19. 19.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) save (c) redo (d) paste
20. 20.Which shortcut do we press to paste? (a) Ctrl+A (b) Ctrl+Z (c) Ctrl+V (d) Ctrl+P
21. 21.Which of these is hardware? (a) a word processor (b) an operating system (c) a web browser (d) a speaker
22. 22.🔍 Which is the odd one out? (a) a paint program (b) a webcam (c) a scanner (d) a mouse
23. 23.▌ What is the blinking line that shows where you will type? (a) the folder (b) the toolbar (c) the cursor (d) the icon
24. 24.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+P
25. 25.Which of these is hardware? (a) a webcam (b) an operating system (c) a typing tutor (d) a calculator app
26. 26.True or false: to save a file means to give it a new name. (a) True (b) False
27. 27.📄 A file name ends in .txt. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
28. 28.🧩 Is a hard disk hardware or software? (a) hardware (b) software
29. 29.🔍 Which is the odd one out? (a) a hard disk (b) an operating system (c) a typing tutor (d) a computer game
30. 30.📁 Which word means to “see what is inside” (for a file or folder)? (a) delete (b) open (c) rename (d) move
31. 31.True or false: Ctrl+V is the shortcut to redo. (a) False (b) True
32. 32.💾 Which is smaller: 1 byte or 1 TB? (a) 1 TB (b) 1 byte
33. 33.💾 How many bits are there in 7 bytes?
34. 34.✂️ You want to move a sentence to the end. What do you use first? (a) Print (b) Undo (c) Cut (d) Delete
35. 35.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a folder (d) a mouse
36. 36.💾 Which is bigger: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
37. 37.True or false: a keyboard is a storage device. (a) False (b) True
38. 38.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
39. 39.🧰 Is a speaker a storage, input or output device? (a) an input device (b) an output device (c) a storage device
40. 40.Which of these is an input device? (a) projector (b) hard disk (c) printer (d) keyboard

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