Class 3 Computer Worksheet: Class Test

Computer lesson 18: Class 3 computer test · Set 41 · 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 is bigger: 1 KB or 1 MB? (a) 1 MB (b) 1 KB
2. 2.True or false: a pen drive is software. (a) False (b) True
3. 3.Which shortcut do we press to select all? (a) Ctrl+Y (b) Ctrl+V (c) Ctrl+S (d) Ctrl+A
4. 4.Which shortcut do we press to print? (a) Ctrl+P (b) Ctrl+A (c) Ctrl+S (d) Ctrl+V
5. 5.💾 How many bytes are there in 1 KB?
6. 6.💾 Which is bigger: 1 byte or 1 GB? (a) 1 byte (b) 1 GB
7. 7.💾 Which one is temporary memory: RAM or storage? (a) RAM (b) storage
8. 8.🔍 Which is the odd one out? (a) a word processor (b) a web browser (c) a paint program (d) a keyboard
9. 9.💡 What is the smallest unit of computer memory? (a) GB (b) bit (c) byte (d) KB
10. 10.🧩 Is a monitor hardware or software? (a) software (b) hardware
11. 11.🧾 Software is a set of ___ for the computer. (a) buttons (b) wires (c) instructions (d) screws
12. 12.💾 How many GB are there in 1 TB?
13. 13.True or false: a keyboard is hardware. (a) False (b) True
14. 14.🔍 Which is the odd one out? (a) mouse (b) microphone (c) keyboard (d) pen drive
15. 15.🧰 Is a mouse a storage, input or output device? (a) an input device (b) an output device (c) a storage device
16. 16.Which shortcut do we press to redo? (a) Ctrl+C (b) Ctrl+Z (c) Ctrl+A (d) Ctrl+Y
17. 17.🖍️ Before we cut or copy text, we must first ___ it. (a) select (b) print (c) delete (d) save
18. 18.💾 Which is bigger: 1 MB or 1 byte? (a) 1 MB (b) 1 byte
19. 19.📄 A file name ends in .avi. What is it most likely? (a) a video (b) a picture (c) a sound (d) a document
20. 20.💾 Which is smaller: 1 KB or 1 byte? (a) 1 KB (b) 1 byte
21. 21.💾 Which is smaller: 1 MB or 1 byte? (a) 1 byte (b) 1 MB
22. 22.🔢 A bit can be only 0 or ___. (a) 5 (b) 1 (c) 2 (d) 9
23. 23.🔍 Which is the odd one out? (a) a pen drive (b) a monitor (c) a mouse (d) a computer game
24. 24.💾 Which is bigger: 1 bit or 1 KB? (a) 1 KB (b) 1 bit
25. 25.Which of these is an input device? (a) projector (b) hard disk (c) pen drive (d) microphone
26. 26.What does it mean to open a file? (a) throw it away (b) keep your work for later (c) see what is inside (d) put it in another place
27. 27.True or false: a keyboard is an output device. (a) True (b) False
28. 28.True or false: a speaker is hardware. (a) True (b) False
29. 29.💾 How many MB are there in 3 GB?
30. 30.True or false: a monitor is an output device. (a) True (b) False
31. 31.🔍 Which is the odd one out? (a) a mouse (b) a calculator app (c) a speaker (d) a hard disk
32. 32.Which of these is a storage device? (a) memory card (b) scanner (c) projector (d) keyboard
33. 33.True or false: a webcam is hardware. (a) True (b) False
34. 34.☁️ Saving files on the internet to use from anywhere is called ___. (a) paper storage (b) rain storage (c) box storage (d) cloud storage
35. 35.↩️ You pressed Undo by mistake. Which command puts the change back? (a) Redo (b) Delete (c) Cut (d) Copy
36. 36.💾 How many bits are there in 3 bytes?
37. 37.Which file ending is a video? (a) .mp3 (b) .mp4 (c) .pdf (d) .gif
38. 38.💾 How many GB are there in 2 TB?
39. 39.True or false: a pen drive is a storage device. (a) False (b) True
40. 40.Which of these is hardware? (a) a printer (b) a typing tutor (c) an operating system (d) a calculator app

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