Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 406 · 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.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Save (c) Undo (d) Cut
2. 2.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) a pen drive (d) RAM
3. 3.🔍 Which is the odd one out? (a) a monitor (b) a web browser (c) a mouse (d) a keyboard
4. 4.Which file ending is a picture? (a) .pdf (b) .mkv (c) .txt (d) .png
5. 5.🔍 Which is the odd one out? (a) a hard disk (b) a paint program (c) a speaker (d) a webcam
6. 6.What does it mean to rename a file? (a) make an exact twin (b) give it a new name (c) make a brand-new one (d) get rid of it
7. 7.Which shortcut do we press to copy? (a) Ctrl+A (b) Ctrl+S (c) Ctrl+P (d) Ctrl+C
8. 8.True or false: a scanner is a storage device. (a) True (b) False
9. 9.🧰 Is a solid-state drive a storage, input or output device? (a) an output device (b) an input device (c) a storage device
10. 10.Which of these is software? (a) a scanner (b) a monitor (c) a web browser (d) a webcam
11. 11.📁 What do we call a folder inside another folder? (a) a printer (b) a subfolder (c) an icon (d) a big file
12. 12.✋ Which can we touch: hardware or software? (a) software (b) hardware
13. 13.💾 How many KB are there in 4 MB?
14. 14.💾 Which is smaller: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
15. 15.Which shortcut do we press to redo? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+V
16. 16.💾 Which is bigger: 1 TB or 1 KB? (a) 1 KB (b) 1 TB
17. 17.True or false: a pen drive is hardware. (a) False (b) True
18. 18.What does it mean to create a file? (a) store your work (b) change its name (c) get rid of it (d) make a brand-new one
19. 19.🧾 Software is a set of ___ for the computer. (a) wires (b) screws (c) buttons (d) instructions
20. 20.🔍 Which is the odd one out? (a) keyboard (b) memory card (c) microphone (d) scanner
21. 21.📄 A file name ends in .txt. What is it most likely? (a) a picture (b) a sound (c) a video (d) a document
22. 22.Which of these is a storage device? (a) speaker (b) keyboard (c) mouse (d) pen drive
23. 23.💾 Which is bigger: 1 MB or 1 bit? (a) 1 bit (b) 1 MB
24. 24.True or false: Ctrl+S is the shortcut to save. (a) True (b) False
25. 25.💡 What is the smallest unit of computer memory? (a) KB (b) byte (c) GB (d) bit
26. 26.🧩 Is a music player app hardware or software? (a) hardware (b) software
27. 27.📄 A file name ends in .mkv. What is it most likely? (a) a sound (b) a document (c) a picture (d) a video
28. 28.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
29. 29.💾 How many bits are there in 10 bytes?
30. 30.💾 Which is smaller: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
31. 31.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 9 (d) 5
32. 32.Which of these is an input device? (a) speaker (b) keyboard (c) projector (d) solid-state drive
33. 33.📁 Which word means to “make an exact twin” (for a file or folder)? (a) open (b) copy (c) delete (d) rename
34. 34.🧩 Is a speaker hardware or software? (a) software (b) hardware
35. 35.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Cut (b) Copy (c) Redo (d) Delete
36. 36.True or false: Ctrl+C is the shortcut to cut. (a) True (b) False
37. 37.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
38. 38.🧰 Is a pen drive a storage, input or output device? (a) an input device (b) a storage device (c) an output device
39. 39.🔍 Which is the odd one out? (a) a scanner (b) a pen drive (c) an operating system (d) a mouse
40. 40.True or false: a solid-state drive is an output device. (a) True (b) False

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