Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 530 · 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.🧩 Is a mouse hardware or software? (a) software (b) hardware
2. 2.📄 A file name ends in .gif. What is it most likely? (a) a document (b) a video (c) a picture (d) a sound
3. 3.Which of these is hardware? (a) a calculator app (b) an operating system (c) a computer game (d) a printer
4. 4.🔍 Which is the odd one out? (a) a speaker (b) an operating system (c) a hard disk (d) a keyboard
5. 5.Which of these is an output device? (a) memory card (b) hard disk (c) projector (d) pen drive
6. 6.True or false: Ctrl+C is the shortcut to copy. (a) True (b) False
7. 7.💾 Which is smaller: 1 TB or 1 KB? (a) 1 TB (b) 1 KB
8. 8.💾 How many MB are there in 2 GB?
9. 9.True or false: a mouse is software. (a) True (b) False
10. 10.💾 Which is bigger: 1 bit or 1 byte? (a) 1 bit (b) 1 byte
11. 11.🧩 Is a webcam hardware or software? (a) hardware (b) software
12. 12.📁 Which word means to “change its name” (for a file or folder)? (a) rename (b) open (c) delete (d) move
13. 13.🧰 Is a speaker a storage, input or output device? (a) an input device (b) an output device (c) a storage device
14. 14.🔢 A bit can be only 0 or ___. (a) 9 (b) 2 (c) 5 (d) 1
15. 15.💾 Which is bigger: 1 byte or 1 TB? (a) 1 byte (b) 1 TB
16. 16.🧰 Is a projector a storage, input or output device? (a) an output device (b) a storage device (c) an input device
17. 17.🧩 Is a keyboard hardware or software? (a) software (b) hardware
18. 18.🧩 Is a music player app hardware or software? (a) hardware (b) software
19. 19.📄 What does a word processor help us do? (a) fly a kite (b) type and edit text (c) water plants (d) cook food
20. 20.💾 How many bits are there in 8 bytes?
21. 21.🔍 Which is the odd one out? (a) a keyboard (b) a webcam (c) a web browser (d) a speaker
22. 22.📁 Which word means to “see what is inside” (for a file or folder)? (a) delete (b) copy (c) move (d) open
23. 23.💾 Which is smaller: 1 TB or 1 GB? (a) 1 TB (b) 1 GB
24. 24.👩‍💻 What do we call people who write software? (a) tailors (b) farmers (c) programmers (d) plumbers
25. 25.⌨️ In a word processor, what does Ctrl+S do? (a) cut (b) copy (c) redo (d) save
26. 26.🏷️ Every file has a ___ so we can find it. (a) taste (b) smell (c) weight (d) name
27. 27.💾 Which is bigger: 1 TB or 1 byte? (a) 1 TB (b) 1 byte
28. 28.🧰 Is a keyboard a storage, input or output device? (a) an output device (b) an input device (c) a storage device
29. 29.💾 Which is smaller: 1 bit or 1 GB? (a) 1 GB (b) 1 bit
30. 30.📄 A file name ends in .mp4. What is it most likely? (a) a picture (b) a document (c) a video (d) a sound
31. 31.True or false: storage (like a hard disk) is the working memory. (a) True (b) False
32. 32.🖍️ Before we cut or copy text, we must first ___ it. (a) delete (b) print (c) save (d) select
33. 33.True or false: a monitor is hardware. (a) True (b) False
34. 34.Which file ending is a sound? (a) .mkv (b) .mp3 (c) .txt (d) .png
35. 35.💾 How many bytes are there in 1 KB?
36. 36.True or false: to open a file means to make an exact twin. (a) False (b) True
37. 37.What does it mean to copy a file? (a) give it a new name (b) store your work (c) make an exact twin (d) see what is inside
38. 38.Which of these is hardware? (a) a web browser (b) a calculator app (c) a word processor (d) a speaker
39. 39.What does it mean to save a file? (a) make a brand-new one (b) keep your work for later (c) give it a new name (d) get rid of it
40. 40.📄 A file name ends in .pdf. What is it most likely? (a) a video (b) a sound (c) a document (d) a picture

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