Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 361 · 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.📋 You want the same sentence in two places. What do you use first? (a) Undo (b) Backspace (c) Copy (d) Delete
2. 2.🧩 Is a speaker hardware or software? (a) hardware (b) software
3. 3.🔍 Which is the odd one out? (a) a calculator app (b) a speaker (c) a word processor (d) a web browser
4. 4.⌨️ In a word processor, what does Ctrl+Y do? (a) print (b) cut (c) redo (d) undo
5. 5.⌨️ In a word processor, what does Ctrl+C do? (a) cut (b) copy (c) print (d) save
6. 6.🧩 Is a monitor hardware or software? (a) software (b) hardware
7. 7.Which file ending is a video? (a) .pdf (b) .mp3 (c) .mp4 (d) .png
8. 8.True or false: to create a file means to make an exact twin. (a) True (b) False
9. 9.🧰 Is a memory card a storage, input or output device? (a) an input device (b) a storage device (c) an output device
10. 10.What does it mean to create a file? (a) make a brand-new one (b) keep your work for later (c) throw it away (d) give it a new name
11. 11.Which file ending is a sound? (a) .pdf (b) .mp3 (c) .jpg (d) .txt
12. 12.🔍 Which is the odd one out? (a) printer (b) microphone (c) mouse (d) keyboard
13. 13.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) box storage (c) rain storage (d) cloud storage
14. 14.✂️ You want to move a sentence to the end. What do you use first? (a) Undo (b) Print (c) Cut (d) Delete
15. 15.🧩 Is a web browser hardware or software? (a) hardware (b) software
16. 16.🧰 Is a mouse a storage, input or output device? (a) a storage device (b) an output device (c) an input device
17. 17.🔍 Which is the odd one out? (a) a printer (b) a scanner (c) a keyboard (d) an operating system
18. 18.💡 What is the smallest unit of computer memory? (a) bit (b) GB (c) byte (d) KB
19. 19.📄 A file name ends in .wav. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
20. 20.True or false: to move a file means to give it a new name. (a) False (b) True
21. 21.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Undo (c) Copy (d) Save
22. 22.Which file ending is a video? (a) .pdf (b) .avi (c) .txt (d) .png
23. 23.What does it mean to copy a file? (a) change its name (b) make an exact twin (c) give it a new name (d) put it in another place
24. 24.📄 A file name ends in .jpg. What is it most likely? (a) a picture (b) a sound (c) a document (d) a video
25. 25.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
26. 26.True or false: an operating system is hardware. (a) False (b) True
27. 27.📁 Which word means to “throw it away” (for a file or folder)? (a) open (b) move (c) rename (d) delete
28. 28.🖍️ Before we cut or copy text, we must first ___ it. (a) save (b) select (c) delete (d) print
29. 29.💾 Which is smaller: 1 MB or 1 bit? (a) 1 MB (b) 1 bit
30. 30.🧰 Is a projector a storage, input or output device? (a) an output device (b) a storage device (c) an input device
31. 31.💾 How many MB are there in 1 GB?
32. 32.True or false: a memory card is an input device. (a) True (b) False
33. 33.🔢 A bit can be only 0 or ___. (a) 1 (b) 2 (c) 5 (d) 9
34. 34.💾 How many bytes are there in 4 KB?
35. 35.⌨️ In a word processor, what does Ctrl+P do? (a) print (b) paste (c) save (d) redo
36. 36.True or false: a typing tutor is hardware. (a) False (b) True
37. 37.🧰 Is a speaker a storage, input or output device? (a) a storage device (b) an input device (c) an output device
38. 38.Which of these is hardware? (a) a music player app (b) an operating system (c) a pen drive (d) a typing tutor
39. 39.What does it mean to move a file? (a) put it in another place (b) throw it away (c) keep your work for later (d) make a brand-new one
40. 40.✋ Which can we touch: hardware or software? (a) hardware (b) software

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