Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 523 · 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.🖍️ Before we cut or copy text, we must first ___ it. (a) print (b) save (c) select (d) delete
2. 2.🧰 Is a microphone a storage, input or output device? (a) an output device (b) a storage device (c) an input device
3. 3.✂️ You want to move a sentence to the end. What do you use first? (a) Cut (b) Print (c) Undo (d) Delete
4. 4.💾 How many bytes are there in 1 KB?
5. 5.📁 What do we call a folder inside another folder? (a) an icon (b) a big file (c) a subfolder (d) a printer
6. 6.🧩 Is a paint program hardware or software? (a) hardware (b) software
7. 7.True or false: a mouse is software. (a) False (b) True
8. 8.💡 What is the smallest unit of computer memory? (a) bit (b) KB (c) GB (d) byte
9. 9.💾 Which is bigger: 1 byte or 1 GB? (a) 1 GB (b) 1 byte
10. 10.🏷️ Every file has a ___ so we can find it. (a) weight (b) smell (c) taste (d) name
11. 11.Which of these is hardware? (a) a word processor (b) a printer (c) a paint program (d) a calculator app
12. 12.Which shortcut do we press to cut? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+C (d) Ctrl+X
13. 13.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
14. 14.💾 Which is smaller: 1 bit or 1 MB? (a) 1 MB (b) 1 bit
15. 15.True or false: Ctrl+V is the shortcut to undo. (a) True (b) False
16. 16.🔢 A bit can be only 0 or ___. (a) 9 (b) 1 (c) 2 (d) 5
17. 17.🧰 Is a hard disk a storage, input or output device? (a) an output device (b) a storage device (c) an input device
18. 18.👩‍💻 What do we call people who write software? (a) plumbers (b) programmers (c) tailors (d) farmers
19. 19.✋ Which can we touch: hardware or software? (a) hardware (b) software
20. 20.🧩 Is a webcam hardware or software? (a) software (b) hardware
21. 21.🔍 Which is the odd one out? (a) a pen drive (b) a calculator app (c) a keyboard (d) a speaker
22. 22.True or false: a webcam is software. (a) True (b) False
23. 23.💾 Which one holds apps that are open: RAM or storage? (a) RAM (b) storage
24. 24.Which of these is true of storage (like a hard disk)? (a) loses data when off (b) holds apps that are open (c) is the working memory (d) is permanent storage
25. 25.True or false: a speaker is software. (a) False (b) True
26. 26.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
27. 27.⌨️ In a word processor, what does Ctrl+X do? (a) paste (b) save (c) print (d) cut
28. 28.📁 Which word means to “make a brand-new one” (for a file or folder)? (a) delete (b) create (c) rename (d) save
29. 29.True or false: Ctrl+C is the shortcut to print. (a) False (b) True
30. 30.💾 How many KB are there in 1 MB?
31. 31.Which of these is software? (a) a pen drive (b) a web browser (c) a mouse (d) a webcam
32. 32.What does it mean to copy a file? (a) make a brand-new one (b) make an exact twin (c) give it a new name (d) see what is inside
33. 33.What does it mean to create a file? (a) put it in another place (b) see what is inside (c) store your work (d) make a brand-new one
34. 34.Which file ending is a video? (a) .txt (b) .avi (c) .gif (d) .mp3
35. 35.💾 Which is bigger: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
36. 36.💾 Which is smaller: 1 TB or 1 GB? (a) 1 GB (b) 1 TB
37. 37.Which file ending is a picture? (a) .wav (b) .mkv (c) .png (d) .pdf
38. 38.Which of these is software? (a) a printer (b) a mouse (c) a scanner (d) a music player app
39. 39.True or false: a pen drive is an input device. (a) True (b) False
40. 40.Which of these is software? (a) a mouse (b) a scanner (c) a speaker (d) a typing tutor

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