Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 661 · 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.Which of these is hardware? (a) a typing tutor (b) a paint program (c) a hard disk (d) a computer game
2. 2.Which shortcut do we press to cut? (a) Ctrl+P (b) Ctrl+C (c) Ctrl+Y (d) Ctrl+X
3. 3.📄 A file name ends in .gif. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
4. 4.💾 How many GB are there in 1 TB?
5. 5.⌨️ In a word processor, what does Ctrl+S do? (a) redo (b) cut (c) save (d) copy
6. 6.💾 Which is bigger: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
7. 7.💡 What is the smallest unit of computer memory? (a) GB (b) byte (c) bit (d) KB
8. 8.True or false: Ctrl+V is the shortcut to copy. (a) False (b) True
9. 9.🔍 Which is the odd one out? (a) a word processor (b) an operating system (c) a web browser (d) a printer
10. 10.Which file ending is a picture? (a) .pdf (b) .avi (c) .txt (d) .png
11. 11.🔢 A bit can be only 0 or ___. (a) 2 (b) 1 (c) 9 (d) 5
12. 12.💾 Which is bigger: 1 bit or 1 TB? (a) 1 TB (b) 1 bit
13. 13.Which shortcut do we press to redo? (a) Ctrl+Y (b) Ctrl+P (c) Ctrl+C (d) Ctrl+A
14. 14.📄 What does a word processor help us do? (a) fly a kite (b) water plants (c) type and edit text (d) cook food
15. 15.True or false: a paint program is hardware. (a) False (b) True
16. 16.💾 How many bytes are there in 2 KB?
17. 17.📂 What holds many files together, like a school bag holds books? (a) a speaker (b) a folder (c) a mouse (d) a pixel
18. 18.📄 A file name ends in .avi. What is it most likely? (a) a document (b) a sound (c) a video (d) a picture
19. 19.🔍 Which is the odd one out? (a) mouse (b) keyboard (c) solid-state drive (d) scanner
20. 20.Which file ending is a video? (a) .pdf (b) .gif (c) .mp4 (d) .txt
21. 21.🔍 Which is the odd one out? (a) a mouse (b) a printer (c) a music player app (d) a scanner
22. 22.💾 How many bytes are there in 1 KB?
23. 23.Which of these is an input device? (a) hard disk (b) monitor (c) keyboard (d) memory card
24. 24.True or false: a music player app is hardware. (a) False (b) True
25. 25.Which of these is hardware? (a) a paint program (b) a web browser (c) an operating system (d) a webcam
26. 26.⚡ Which is faster for the computer to work with? (a) a printer (b) a memory card (c) RAM (d) a pen drive
27. 27.☁️ Saving files on the internet to use from anywhere is called ___. (a) rain storage (b) box storage (c) cloud storage (d) paper storage
28. 28.💾 How many KB are there in 1 MB?
29. 29.💾 How many bits are there in 6 bytes?
30. 30.🔍 Which is the odd one out? (a) a mouse (b) an operating system (c) a pen drive (d) a hard disk
31. 31.📁 Which word means to “change its name” (for a file or folder)? (a) delete (b) copy (c) move (d) rename
32. 32.True or false: a computer game is hardware. (a) True (b) False
33. 33.What does it mean to copy a file? (a) make an exact twin (b) put it in another place (c) give it a new name (d) keep your work for later
34. 34.💾 How many bits are there in 2 bytes?
35. 35.True or false: Ctrl+P is the shortcut to cut. (a) False (b) True
36. 36.📄 A file name ends in .pdf. What is it most likely? (a) a document (b) a picture (c) a video (d) a sound
37. 37.💾 Which is smaller: 1 MB or 1 TB? (a) 1 TB (b) 1 MB
38. 38.🧩 Is a scanner hardware or software? (a) software (b) hardware
39. 39.True or false: Ctrl+P is the shortcut to paste. (a) False (b) True
40. 40.🔌 The power goes off suddenly. Which loses the unsaved work? (a) the pen drive (b) RAM (c) the memory card (d) the hard disk

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