Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 187 · 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.⌨️ In a word processor, what does Ctrl+Y do? (a) select all (b) print (c) redo (d) paste
2. 2.True or false: Ctrl+P is the shortcut to undo. (a) False (b) True
3. 3.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the hard disk (b) RAM (c) the pen drive (d) the memory card
4. 4.Which of these is hardware? (a) a paint program (b) a scanner (c) a web browser (d) a music player app
5. 5.🔍 Which is the odd one out? (a) a speaker (b) an operating system (c) a calculator app (d) a web browser
6. 6.💾 Which is smaller: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
7. 7.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a mouse (c) a pixel (d) a folder
8. 8.True or false: Ctrl+X is the shortcut to undo. (a) False (b) True
9. 9.Which of these is hardware? (a) a computer game (b) a monitor (c) a typing tutor (d) a calculator app
10. 10.True or false: Ctrl+A is the shortcut to select all. (a) False (b) True
11. 11.True or false: Ctrl+Z is the shortcut to undo. (a) True (b) False
12. 12.True or false: Ctrl+P is the shortcut to print. (a) True (b) False
13. 13.Which of these is a storage device? (a) projector (b) solid-state drive (c) mouse (d) keyboard
14. 14.⌨️ In a word processor, what does Ctrl+Z do? (a) save (b) paste (c) undo (d) select all
15. 15.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
16. 16.💾 Which one loses data when off: RAM or storage? (a) storage (b) RAM
17. 17.🧩 Is a mouse hardware or software? (a) software (b) hardware
18. 18.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
19. 19.📁 Which word means to “make an exact twin” (for a file or folder)? (a) rename (b) delete (c) copy (d) open
20. 20.Which file ending is a sound? (a) .gif (b) .png (c) .pdf (d) .wav
21. 21.💾 Which is bigger: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
22. 22.True or false: Ctrl+X is the shortcut to paste. (a) True (b) False
23. 23.📁 Which word means to “give it a new name” (for a file or folder)? (a) rename (b) create (c) save (d) move
24. 24.💾 How many bytes are there in 3 KB?
25. 25.🔢 A bit can be only 0 or ___. (a) 2 (b) 9 (c) 1 (d) 5
26. 26.Which file ending is a sound? (a) .mp3 (b) .gif (c) .txt (d) .mp4
27. 27.🔍 Which is the odd one out? (a) a hard disk (b) a mouse (c) a scanner (d) a typing tutor
28. 28.⌨️ In a word processor, what does Ctrl+P do? (a) copy (b) cut (c) undo (d) print
29. 29.💾 Which is bigger: 1 MB or 1 GB? (a) 1 MB (b) 1 GB
30. 30.📁 Which word means to “store your work” (for a file or folder)? (a) save (b) copy (c) move (d) delete
31. 31.💾 Which is smaller: 1 GB or 1 byte? (a) 1 byte (b) 1 GB
32. 32.What does it mean to move a file? (a) put it in another place (b) make a brand-new one (c) make an exact twin (d) give it a new name
33. 33.What does it mean to create a file? (a) get rid of it (b) give it a new name (c) throw it away (d) make a brand-new one
34. 34.📄 What does a word processor help us do? (a) type and edit text (b) cook food (c) water plants (d) fly a kite
35. 35.🧩 Is a pen drive hardware or software? (a) hardware (b) software
36. 36.🧩 Is a word processor hardware or software? (a) software (b) hardware
37. 37.Which of these is hardware? (a) an operating system (b) a hard disk (c) a web browser (d) a typing tutor
38. 38.💾 How many MB are there in 3 GB?
39. 39.☁️ Saving files on the internet to use from anywhere is called ___. (a) rain storage (b) paper storage (c) box storage (d) cloud storage
40. 40.What does it mean to open a file? (a) see what is inside (b) throw it away (c) give it a new name (d) get rid of it

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