MICROCONTROLLERS AND INTERFACING | OCTOBER/NOVEMBER-2025 C23 скачать в хорошем качестве

MICROCONTROLLERS AND INTERFACING | OCTOBER/NOVEMBER-2025 C23

This video about MICROCONTROLLERS AND INTERFACING Subject OCTOBER/NOVEMBER -2025 QUESTION PAPER | C23 | C20 #youtube 1. Compare between microprocessors and microcontrollers. 2. List any six features of 8051 microcontroller. 3. Define terms fetch cycle, execution cycle and instruction cycle. 4. State the use of NOP instruction of 8051. 5. Define the term ‘debugging’ and mention types of debugging techniques. 6. Draw the symbols for input and output operations, decision making and predefined process in drawing flow charts. 7. List any three reasons for the popularity of LCDs. 8. What is key bouncing? Write any one key debouncing solution. 9. Write an 8051 C program to send values 00-FF to port P1. 10. Mention any six C data types for 8051. 11. Draw the pin diagram of 8051 microcontroller and specify the purpose of each pin. 12. Explain the internal memory organization of 8051 with a suitable diagram. 13. List and explain various addressing modes of 8051 microcontroller with suitable examples. 14. Explain about the operation carried out during the execution of following instructions by assuming suitable data : (a) MOVC A, @A+PC (b) ANL A, R₁ (c) MUL AB (d) LCALL 2401H 15. Explain the sequence of program when subroutine is called and executed. 16. Write a program to generate a square wave of 1 KHz frequency from pin P2.5 of 8051. Assume crystal frequency of 11.0592MHz. Use timer-1 under mode-1. 17. Draw and explain interfacing circuit of 4×4 matrix key board with 8051. 18. Write an 8051 C program to toggle bits of P2 port continuously with 250 milliseconds delay. ‎⁨@krishnatharangini⁩  ‎⁨@Rajarajeswari.chokka⁩  ‎⁨@brahmasaraswathi⁩  #shorts #youtube #education #networkanalysis #exam #diploma #youtubeshorts #shortvideo #viralvideo #supplyexam #regular #semester #naexam #microcontrolles #questionpaper