Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 176 · 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.True or false: a computer game is software. (a) True (b) False
2. 2.💾 Which is bigger: 1 bit or 1 KB? (a) 1 bit (b) 1 KB
3. 3.🧩 Is a computer game hardware or software? (a) hardware (b) software
4. 4.Which file ending is a document? (a) .pdf (b) .mp3 (c) .mkv (d) .jpg
5. 5.Which of these is hardware? (a) a word processor (b) a music player app (c) a monitor (d) an operating system
6. 6.⚡ Which is faster for the computer to work with? (a) a printer (b) a pen drive (c) a memory card (d) RAM
7. 7.💾 Which is smaller: 1 GB or 1 bit? (a) 1 GB (b) 1 bit
8. 8.True or false: an operating system is hardware. (a) False (b) True
9. 9.Which of these is true of storage (like a hard disk)? (a) is temporary memory (b) is the working memory (c) keeps data when off (d) holds apps that are open
10. 10.📁 Which word means to “throw it away” (for a file or folder)? (a) copy (b) move (c) delete (d) rename
11. 11.🧰 Is a printer a storage, input or output device? (a) an input device (b) a storage device (c) an output device
12. 12.🧰 Is a monitor a storage, input or output device? (a) an output device (b) a storage device (c) an input device
13. 13.📂 What holds many files together, like a school bag holds books? (a) a mouse (b) a pixel (c) a speaker (d) a folder
14. 14.💾 How many bytes are there in 1 KB?
15. 15.Which of these is an output device? (a) microphone (b) speaker (c) memory card (d) hard disk
16. 16.😮 You deleted a word by mistake. What brings it back? (a) Cut (b) Copy (c) Save (d) Undo
17. 17.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
18. 18.📁 Which word means to “keep your work for later” (for a file or folder)? (a) delete (b) copy (c) rename (d) save
19. 19.👩‍💻 What do we call people who write software? (a) plumbers (b) farmers (c) programmers (d) tailors
20. 20.🔍 Which is the odd one out? (a) a keyboard (b) a typing tutor (c) a paint program (d) a computer game
21. 21.What does it mean to delete a file? (a) put it in another place (b) give it a new name (c) get rid of it (d) keep your work for later
22. 22.🧰 Is a keyboard a storage, input or output device? (a) an input device (b) a storage device (c) an output device
23. 23.🧾 Software is a set of ___ for the computer. (a) instructions (b) screws (c) wires (d) buttons
24. 24.Which of these is hardware? (a) a paint program (b) a music player app (c) a word processor (d) a mouse
25. 25.Which file ending is a picture? (a) .gif (b) .mp4 (c) .txt (d) .wav
26. 26.📷 A camera keeps its photos on a small ___. (a) mouse pad (b) keyboard (c) memory card (d) speaker
27. 27.💾 Which one keeps photos for years: RAM or storage? (a) storage (b) RAM
28. 28.Which file ending is a sound? (a) .png (b) .jpg (c) .mp3 (d) .gif
29. 29.🔌 The power goes off suddenly. Which loses the unsaved work? (a) RAM (b) the memory card (c) the pen drive (d) the hard disk
30. 30.True or false: a keyboard is an input device. (a) False (b) True
31. 31.🔍 Which is the odd one out? (a) solid-state drive (b) hard disk (c) memory card (d) keyboard
32. 32.Which of these is true of RAM? (a) is temporary memory (b) keeps data when off (c) is permanent storage (d) keeps your saved files
33. 33.🔍 Which is the odd one out? (a) monitor (b) hard disk (c) solid-state drive (d) memory card
34. 34.💾 Which is smaller: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
35. 35.Which of these is a storage device? (a) mouse (b) scanner (c) keyboard (d) solid-state drive
36. 36.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 5 (d) 9
37. 37.Which of these is hardware? (a) a calculator app (b) a scanner (c) a word processor (d) an operating system
38. 38.💾 Which one loses data when off: RAM or storage? (a) RAM (b) storage
39. 39.What does it mean to save a file? (a) see what is inside (b) keep your work for later (c) make an exact twin (d) give it a new name
40. 40.🧩 Is a keyboard hardware or software? (a) software (b) hardware

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