Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 563 · 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.📁 What do we call a folder inside another folder? (a) a printer (b) an icon (c) a big file (d) a subfolder
2. 2.🔍 Which is the odd one out? (a) a webcam (b) a monitor (c) a scanner (d) a calculator app
3. 3.📂 What holds many files together, like a school bag holds books? (a) a pixel (b) a folder (c) a mouse (d) a speaker
4. 4.Which shortcut do we press to copy? (a) Ctrl+X (b) Ctrl+Y (c) Ctrl+C (d) Ctrl+V
5. 5.📁 Which word means to “store your work” (for a file or folder)? (a) rename (b) copy (c) create (d) save
6. 6.True or false: a printer is an output device. (a) False (b) True
7. 7.👩‍💻 What do we call people who write software? (a) farmers (b) programmers (c) tailors (d) plumbers
8. 8.💾 Which one is the working memory: RAM or storage? (a) RAM (b) storage
9. 9.Which of these is true of RAM? (a) is permanent storage (b) keeps data when off (c) is temporary memory (d) keeps photos for years
10. 10.🔢 A bit can be only 0 or ___. (a) 1 (b) 9 (c) 2 (d) 5
11. 11.Which of these is an output device? (a) speaker (b) memory card (c) pen drive (d) mouse
12. 12.True or false: a solid-state drive is an output device. (a) True (b) False
13. 13.🧰 Is a scanner a storage, input or output device? (a) a storage device (b) an output device (c) an input device
14. 14.📁 Which word means to “give it a new name” (for a file or folder)? (a) move (b) delete (c) save (d) rename
15. 15.💾 Which is smaller: 1 GB or 1 bit? (a) 1 bit (b) 1 GB
16. 16.🧩 Is a typing tutor hardware or software? (a) hardware (b) software
17. 17.Which file ending is a video? (a) .pdf (b) .wav (c) .txt (d) .mp4
18. 18.True or false: Ctrl+S is the shortcut to redo. (a) False (b) True
19. 19.Which shortcut do we press to cut? (a) Ctrl+S (b) Ctrl+X (c) Ctrl+P (d) Ctrl+Z
20. 20.True or false: to delete a file means to throw it away. (a) True (b) False
21. 21.🧩 Is a printer hardware or software? (a) hardware (b) software
22. 22.🧰 Is a microphone a storage, input or output device? (a) a storage device (b) an output device (c) an input device
23. 23.Which file ending is a sound? (a) .wav (b) .avi (c) .png (d) .txt
24. 24.True or false: to copy a file means to make an exact twin. (a) False (b) True
25. 25.Which of these is software? (a) a mouse (b) a speaker (c) a webcam (d) a word processor
26. 26.Which shortcut do we press to undo? (a) Ctrl+V (b) Ctrl+Z (c) Ctrl+X (d) Ctrl+C
27. 27.💡 What is the smallest unit of computer memory? (a) KB (b) GB (c) bit (d) byte
28. 28.💾 How many bytes are there in 2 KB?
29. 29.True or false: a word processor is hardware. (a) True (b) False
30. 30.💾 Which is bigger: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
31. 31.📄 A file name ends in .mp4. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
32. 32.🧩 Is a computer game hardware or software? (a) software (b) hardware
33. 33.💾 Which is smaller: 1 bit or 1 byte? (a) 1 byte (b) 1 bit
34. 34.📷 A camera keeps its photos on a small ___. (a) memory card (b) speaker (c) keyboard (d) mouse pad
35. 35.😮 You deleted a word by mistake. What brings it back? (a) Copy (b) Undo (c) Save (d) Cut
36. 36.True or false: storage (like a hard disk) loses data when off. (a) True (b) False
37. 37.📄 A file name ends in .gif. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture
38. 38.What does it mean to open a file? (a) see what is inside (b) give it a new name (c) change its name (d) get rid of it
39. 39.Which file ending is a sound? (a) .mp4 (b) .mp3 (c) .png (d) .gif
40. 40.💾 Which is bigger: 1 TB or 1 byte? (a) 1 byte (b) 1 TB

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