Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 669 · 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 is the odd one out? (a) a hard disk (b) a word processor (c) a monitor (d) a mouse
2. 2.Which shortcut do we press to undo? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+Z (d) Ctrl+Y
3. 3.💾 Which is smaller: 1 KB or 1 TB? (a) 1 TB (b) 1 KB
4. 4.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
5. 5.🧩 Is a printer hardware or software? (a) software (b) hardware
6. 6.⌨️ In a word processor, what does Ctrl+Z do? (a) undo (b) print (c) paste (d) redo
7. 7.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) bit (d) KB
8. 8.⌨️ In a word processor, what does Ctrl+X do? (a) copy (b) undo (c) save (d) cut
9. 9.Which of these is software? (a) a calculator app (b) a webcam (c) a speaker (d) a keyboard
10. 10.📁 Which word means to “see what is inside” (for a file or folder)? (a) move (b) save (c) open (d) copy
11. 11.📄 A file name ends in .avi. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
12. 12.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 9 (d) 1
13. 13.Which shortcut do we press to copy? (a) Ctrl+V (b) Ctrl+C (c) Ctrl+X (d) Ctrl+Z
14. 14.💾 Which is bigger: 1 GB or 1 MB? (a) 1 MB (b) 1 GB
15. 15.Which file ending is a picture? (a) .mp3 (b) .wav (c) .gif (d) .mp4
16. 16.Which file ending is a sound? (a) .jpg (b) .mp3 (c) .avi (d) .mp4
17. 17.💾 Which is smaller: 1 KB or 1 GB? (a) 1 KB (b) 1 GB
18. 18.🧩 Is a music player app hardware or software? (a) hardware (b) software
19. 19.💾 Which is bigger: 1 MB or 1 KB? (a) 1 MB (b) 1 KB
20. 20.💾 Which is bigger: 1 KB or 1 bit? (a) 1 bit (b) 1 KB
21. 21.Which of these is software? (a) a hard disk (b) a scanner (c) a keyboard (d) a typing tutor
22. 22.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Cut (c) Save (d) Undo
23. 23.True or false: a scanner is hardware. (a) False (b) True
24. 24.What does it mean to open a file? (a) give it a new name (b) see what is inside (c) throw it away (d) make an exact twin
25. 25.True or false: storage (like a hard disk) holds apps that are open. (a) False (b) True
26. 26.Which shortcut do we press to paste? (a) Ctrl+C (b) Ctrl+S (c) Ctrl+Z (d) Ctrl+V
27. 27.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
28. 28.📁 What do we call a folder inside another folder? (a) an icon (b) a subfolder (c) a big file (d) a printer
29. 29.💾 Which is bigger: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
30. 30.Which of these is hardware? (a) a scanner (b) a typing tutor (c) a word processor (d) a paint program
31. 31.🔍 Which is the odd one out? (a) memory card (b) printer (c) pen drive (d) solid-state drive
32. 32.Which of these is hardware? (a) a music player app (b) a computer game (c) a printer (d) a calculator app
33. 33.💾 How many GB are there in 2 TB?
34. 34.🔍 Which is the odd one out? (a) a scanner (b) an operating system (c) a printer (d) a keyboard
35. 35.Which shortcut do we press to print? (a) Ctrl+X (b) Ctrl+P (c) Ctrl+V (d) Ctrl+S
36. 36.True or false: a pen drive is a storage device. (a) False (b) True
37. 37.💾 Which is smaller: 1 byte or 1 KB? (a) 1 KB (b) 1 byte
38. 38.🧩 Is a word processor hardware or software? (a) hardware (b) software
39. 39.Which shortcut do we press to select all? (a) Ctrl+P (b) Ctrl+Y (c) Ctrl+X (d) Ctrl+A
40. 40.True or false: a pen drive is an input device. (a) False (b) True

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