Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 131 · 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 create a file? (a) get rid of it (b) change its name (c) make a brand-new one (d) give it a new name
2. 2.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a speaker (c) a folder (d) a mouse
3. 3.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) GB (d) byte
4. 4.True or false: Ctrl+C is the shortcut to select all. (a) True (b) False
5. 5.Which of these is an input device? (a) pen drive (b) hard disk (c) keyboard (d) speaker
6. 6.🔍 Which is the odd one out? (a) a paint program (b) an operating system (c) a webcam (d) a web browser
7. 7.🧩 Is a mouse hardware or software? (a) hardware (b) software
8. 8.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+S (c) Ctrl+C (d) Ctrl+Z
9. 9.💾 How many MB are there in 1 GB?
10. 10.⌨️ In a word processor, what does Ctrl+Z do? (a) paste (b) redo (c) undo (d) copy
11. 11.⌨️ In a word processor, what does Ctrl+S do? (a) select all (b) print (c) save (d) redo
12. 12.🔍 Which is the odd one out? (a) a pen drive (b) a web browser (c) a printer (d) a hard disk
13. 13.True or false: a monitor is hardware. (a) False (b) True
14. 14.True or false: a printer is an input device. (a) True (b) False
15. 15.Which shortcut do we press to redo? (a) Ctrl+A (b) Ctrl+Y (c) Ctrl+Z (d) Ctrl+V
16. 16.⌨️ In a word processor, what does Ctrl+Y do? (a) undo (b) redo (c) paste (d) copy
17. 17.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) RAM (c) the pen drive (d) the memory card
18. 18.🧩 Is a music player app hardware or software? (a) hardware (b) software
19. 19.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
20. 20.🧩 Is a pen drive hardware or software? (a) hardware (b) software
21. 21.💾 How many KB are there in 4 MB?
22. 22.💾 Which is bigger: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
23. 23.What does it mean to rename a file? (a) store your work (b) give it a new name (c) make an exact twin (d) put it in another place
24. 24.📁 Which word means to “throw it away” (for a file or folder)? (a) delete (b) copy (c) move (d) rename
25. 25.True or false: Ctrl+P is the shortcut to print. (a) False (b) True
26. 26.💾 Which is bigger: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
27. 27.💾 Which is bigger: 1 KB or 1 byte? (a) 1 byte (b) 1 KB
28. 28.🔍 Which is the odd one out? (a) a music player app (b) a calculator app (c) a mouse (d) a web browser
29. 29.True or false: Ctrl+V is the shortcut to paste. (a) True (b) False
30. 30.Which file ending is a picture? (a) .avi (b) .png (c) .wav (d) .pdf
31. 31.🔍 Which is the odd one out? (a) memory card (b) solid-state drive (c) scanner (d) hard disk
32. 32.🧩 Is a keyboard hardware or software? (a) software (b) hardware
33. 33.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) is the working memory (c) holds apps that are open (d) keeps photos for years
34. 34.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
35. 35.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) programmers (d) tailors
36. 36.🔍 Which is the odd one out? (a) a word processor (b) a monitor (c) a keyboard (d) a printer
37. 37.✋ Which can we touch: hardware or software? (a) software (b) hardware
38. 38.📄 A file name ends in .mp3. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
39. 39.📁 Which word means to “give it a new name” (for a file or folder)? (a) open (b) delete (c) rename (d) copy
40. 40.📁 Which word means to “see what is inside” (for a file or folder)? (a) copy (b) move (c) create (d) open

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