Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 215 · 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 shortcut do we press to print? (a) Ctrl+Y (b) Ctrl+P (c) Ctrl+Z (d) Ctrl+S
2. 2.⌨️ In a word processor, what does Ctrl+X do? (a) undo (b) redo (c) print (d) cut
3. 3.Which of these is software? (a) a scanner (b) a paint program (c) a webcam (d) a pen drive
4. 4.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) plumbers (d) programmers
5. 5.Which shortcut do we press to cut? (a) Ctrl+X (b) Ctrl+Z (c) Ctrl+C (d) Ctrl+A
6. 6.True or false: Ctrl+Z is the shortcut to save. (a) True (b) False
7. 7.🔢 A bit can be only 0 or ___. (a) 2 (b) 5 (c) 1 (d) 9
8. 8.True or false: a scanner is hardware. (a) True (b) False
9. 9.🧩 Is a printer hardware or software? (a) hardware (b) software
10. 10.What does it mean to create a file? (a) store your work (b) change its name (c) give it a new name (d) make a brand-new one
11. 11.🔍 Which is the odd one out? (a) a pen drive (b) a printer (c) a paint program (d) a scanner
12. 12.True or false: Ctrl+V is the shortcut to copy. (a) True (b) False
13. 13.⌨️ In a word processor, what does Ctrl+V do? (a) undo (b) paste (c) copy (d) save
14. 14.⌨️ In a word processor, what does Ctrl+A do? (a) save (b) select all (c) cut (d) paste
15. 15.💾 How many bytes are there in 3 KB?
16. 16.✋ Which can we touch: hardware or software? (a) software (b) hardware
17. 17.📁 Which word means to “change its name” (for a file or folder)? (a) open (b) move (c) copy (d) rename
18. 18.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a folder (c) a speaker (d) a mouse
19. 19.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Undo (c) Delete (d) Print
20. 20.💾 Which is smaller: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
21. 21.📁 Which word means to “get rid of it” (for a file or folder)? (a) copy (b) rename (c) save (d) delete
22. 22.⌨️ In a word processor, what does Ctrl+S do? (a) undo (b) cut (c) copy (d) save
23. 23.Which of these is hardware? (a) a pen drive (b) a typing tutor (c) a web browser (d) a calculator app
24. 24.🔍 Which is the odd one out? (a) keyboard (b) scanner (c) microphone (d) printer
25. 25.💡 What is the smallest unit of computer memory? (a) byte (b) GB (c) KB (d) bit
26. 26.Which of these is software? (a) a mouse (b) a printer (c) a music player app (d) a hard disk
27. 27.💾 Which is bigger: 1 byte or 1 MB? (a) 1 byte (b) 1 MB
28. 28.Which of these is an input device? (a) microphone (b) projector (c) memory card (d) printer
29. 29.Which of these is hardware? (a) a computer game (b) a calculator app (c) a keyboard (d) a typing tutor
30. 30.🧾 Software is a set of ___ for the computer. (a) screws (b) wires (c) instructions (d) buttons
31. 31.🧩 Is a web browser hardware or software? (a) hardware (b) software
32. 32.💾 Which is bigger: 1 TB or 1 MB? (a) 1 MB (b) 1 TB
33. 33.💾 How many MB are there in 1 GB?
34. 34.Which of these is a storage device? (a) printer (b) projector (c) speaker (d) pen drive
35. 35.🧩 Is a speaker hardware or software? (a) hardware (b) software
36. 36.Which file ending is a picture? (a) .mp3 (b) .gif (c) .avi (d) .txt
37. 37.🔍 Which is the odd one out? (a) a music player app (b) a mouse (c) a webcam (d) a printer
38. 38.💾 How many GB are there in 1 TB?
39. 39.True or false: to delete a file means to make an exact twin. (a) True (b) False
40. 40.😮 You deleted a word by mistake. What brings it back? (a) Save (b) Cut (c) Undo (d) Copy

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