Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 40 · 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 of these is software? (a) a printer (b) a mouse (c) a word processor (d) a monitor
2. 2.⌨️ In a word processor, what does Ctrl+S do? (a) redo (b) undo (c) save (d) select all
3. 3.🔍 Which is the odd one out? (a) monitor (b) memory card (c) pen drive (d) solid-state drive
4. 4.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
5. 5.💾 How many bits are there in 11 bytes?
6. 6.Which file ending is a video? (a) .wav (b) .mp4 (c) .png (d) .txt
7. 7.Which file ending is a picture? (a) .mp4 (b) .txt (c) .avi (d) .png
8. 8.🔍 Which is the odd one out? (a) a typing tutor (b) a printer (c) a music player app (d) a calculator app
9. 9.🔍 Which is the odd one out? (a) a word processor (b) a computer game (c) a typing tutor (d) a scanner
10. 10.True or false: Ctrl+Y is the shortcut to copy. (a) False (b) True
11. 11.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
12. 12.True or false: Ctrl+A is the shortcut to redo. (a) True (b) False
13. 13.Which of these is hardware? (a) a calculator app (b) a paint program (c) a keyboard (d) a computer game
14. 14.🧩 Is a speaker hardware or software? (a) hardware (b) software
15. 15.True or false: Ctrl+P is the shortcut to redo. (a) False (b) True
16. 16.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
17. 17.What does it mean to rename a file? (a) get rid of it (b) make a brand-new one (c) change its name (d) put it in another place
18. 18.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
19. 19.📁 What do we call a folder inside another folder? (a) a big file (b) a printer (c) a subfolder (d) an icon
20. 20.True or false: to save a file means to keep your work for later. (a) True (b) False
21. 21.True or false: a mouse is hardware. (a) True (b) False
22. 22.🧩 Is a web browser hardware or software? (a) hardware (b) software
23. 23.⌨️ In a word processor, what does Ctrl+Z do? (a) cut (b) save (c) undo (d) redo
24. 24.💾 Which is smaller: 1 byte or 1 MB? (a) 1 MB (b) 1 byte
25. 25.🔍 Which is the odd one out? (a) mouse (b) microphone (c) scanner (d) projector
26. 26.💾 How many bytes are there in 1 KB?
27. 27.What does it mean to delete a file? (a) see what is inside (b) get rid of it (c) store your work (d) keep your work for later
28. 28.True or false: a hard disk is hardware. (a) True (b) False
29. 29.✋ Which can we touch: hardware or software? (a) hardware (b) software
30. 30.🔍 Which is the odd one out? (a) scanner (b) pen drive (c) solid-state drive (d) hard disk
31. 31.🧾 Software is a set of ___ for the computer. (a) screws (b) instructions (c) wires (d) buttons
32. 32.True or false: to delete a file means to throw it away. (a) True (b) False
33. 33.🧩 Is a printer hardware or software? (a) hardware (b) software
34. 34.▌ What is the blinking line that shows where you will type? (a) the folder (b) the cursor (c) the icon (d) the toolbar
35. 35.🧩 Is a monitor hardware or software? (a) hardware (b) software
36. 36.Which shortcut do we press to copy? (a) Ctrl+Z (b) Ctrl+C (c) Ctrl+P (d) Ctrl+A
37. 37.🧩 Is an operating system hardware or software? (a) hardware (b) software
38. 38.👩‍💻 What do we call people who write software? (a) programmers (b) plumbers (c) farmers (d) tailors
39. 39.💡 What is the smallest unit of computer memory? (a) bit (b) byte (c) KB (d) GB
40. 40.💾 How many KB are there in 1 MB?

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