Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 753 · 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.📄 A file name ends in .mp3. What is it most likely? (a) a sound (b) a picture (c) a video (d) a document
2. 2.📂 What holds many files together, like a school bag holds books? (a) a folder (b) a speaker (c) a mouse (d) a pixel
3. 3.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a subfolder (d) a big file
4. 4.Which of these is an input device? (a) solid-state drive (b) printer (c) pen drive (d) scanner
5. 5.💾 Which is smaller: 1 GB or 1 TB? (a) 1 TB (b) 1 GB
6. 6.⌨️ In a word processor, what does Ctrl+S do? (a) paste (b) print (c) cut (d) save
7. 7.👩‍💻 What do we call people who write software? (a) programmers (b) farmers (c) plumbers (d) tailors
8. 8.💾 Which is bigger: 1 TB or 1 bit? (a) 1 bit (b) 1 TB
9. 9.Which shortcut do we press to save? (a) Ctrl+Y (b) Ctrl+C (c) Ctrl+Z (d) Ctrl+S
10. 10.📁 Which word means to “put it in another place” (for a file or folder)? (a) save (b) move (c) create (d) copy
11. 11.What does it mean to copy a file? (a) give it a new name (b) keep your work for later (c) put it in another place (d) make an exact twin
12. 12.🔍 Which is the odd one out? (a) a printer (b) an operating system (c) a web browser (d) a word processor
13. 13.⌨️ In a word processor, what does Ctrl+A do? (a) copy (b) paste (c) undo (d) select all
14. 14.✋ Which can we touch: hardware or software? (a) software (b) hardware
15. 15.True or false: to open a file means to put it in another place. (a) False (b) True
16. 16.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) print (c) select (d) delete
17. 17.Which of these is hardware? (a) a web browser (b) a word processor (c) a calculator app (d) a webcam
18. 18.💾 Which is bigger: 1 bit or 1 GB? (a) 1 bit (b) 1 GB
19. 19.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the pen drive (c) the memory card (d) the hard disk
20. 20.🧩 Is a printer hardware or software? (a) software (b) hardware
21. 21.💾 Which is smaller: 1 GB or 1 byte? (a) 1 GB (b) 1 byte
22. 22.Which of these is software? (a) a pen drive (b) a computer game (c) a keyboard (d) a speaker
23. 23.🧩 Is a word processor hardware or software? (a) software (b) hardware
24. 24.💾 Which is smaller: 1 bit or 1 MB? (a) 1 bit (b) 1 MB
25. 25.🧩 Is a music player app hardware or software? (a) hardware (b) software
26. 26.🧰 Is a keyboard a storage, input or output device? (a) an input device (b) an output device (c) a storage device
27. 27.📄 A file name ends in .wav. What is it most likely? (a) a video (b) a document (c) a picture (d) a sound
28. 28.💾 How many bytes are there in 1 KB?
29. 29.🧰 Is a pen drive a storage, input or output device? (a) a storage device (b) an output device (c) an input device
30. 30.🔍 Which is the odd one out? (a) a scanner (b) a pen drive (c) a keyboard (d) a computer game
31. 31.True or false: to delete a file means to keep your work for later. (a) False (b) True
32. 32.🧩 Is a speaker hardware or software? (a) hardware (b) software
33. 33.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) loses data when off (c) is the working memory (d) keeps data when off
34. 34.Which of these is an output device? (a) keyboard (b) scanner (c) monitor (d) memory card
35. 35.True or false: to rename a file means to get rid of it. (a) False (b) True
36. 36.What does it mean to move a file? (a) change its name (b) put it in another place (c) see what is inside (d) give it a new name
37. 37.Which file ending is a document? (a) .mp4 (b) .gif (c) .txt (d) .wav
38. 38.Which of these is software? (a) a keyboard (b) a mouse (c) an operating system (d) a speaker
39. 39.🔍 Which is the odd one out? (a) pen drive (b) printer (c) monitor (d) projector
40. 40.🧩 Is a calculator app hardware or software? (a) hardware (b) software

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