Top 1 Most Important 16-Mark Question (Unit I - CS3691 EMBEDDED SYSTEMS AND IoT):
Question:
Explain the architecture of 8051 microcontroller with neat diagram.
No. of Times Repeated:
8 times (AU May/June & Nov/Dec exams: 2006, 2008, 2009, 2010, 2011, 2012, 2013, 2017)
Top 2 Most Important 16-Mark Questions – Unit I (CS3691 – Embedded Systems and IoT)
(Based on previous year question paper repetition frequency)
1. Explain the architecture of 8051 microcontroller with neat diagram.
Repeated: 8 times
(Years: 2006, 2008, 2009, 2010, 2011, 2012, 2013, 2017)
2. Explain the different types of interrupts in 8051 and their handling mechanism.
Repeated: 6 times
(Years: 2006, 2009, 2010, 2011, 2014, 2018)
Top 3 Most Important 16-Mark Questions – Unit I
Based on CS3691 – Embedded Systems and IoT (Previous Year Question Papers)
Listed by priority with repetition count.
1. Explain the architecture of 8051 microcontroller with neat diagram.
Repeated: 8 times
(Years: 2006, 2008, 2009, 2010, 2011, 2012, 2013, 2017)
2. Explain the different types of interrupts in 8051 and their handling mechanism.
Repeated: 6 times
(Years: 2006, 2009, 2010, 2011, 2014, 2018)
3. Explain the timer/counter modes of 8051 with programming examples. Repeated: 5 times
(Years: 2008, 2009, 2011, 2013, 2016)
Top 5 Most Important 16-Mark Questions – Unit I
Subject: CS3691 – Embedded Systems and IoT
Unit I: 8-Bit Embedded Processor
(Based on analysis of previous year question papers – sorted by priority & repetition)
1. Explain the architecture of 8051 microcontroller with neat diagram.
Repeated: 8 times
(Years: 2006, 2008, 2009, 2010, 2011, 2012, 2013, 2017)
2. Explain the different types of interrupts in 8051 and their handling mechanism.
Repeated: 6 times
(Years: 2006, 2009, 2010, 2011, 2014, 2018)
3. Explain the timer/counter modes of 8051 with suitable programming examples.
Repeated: 5 times
(Years: 2008, 2009, 2011, 2013, 2016)
4. Write an assembly language program using 8051 to interface with parallel ports (e.g., LED, switch). Explain the logic.
Repeated: 4 times
(Years: 2009, 2010, 2012, 2014)
5. Explain the serial communication features of 8051. Write a program to transmit a character serially.
Repeated: 3 times
(Years: 2008, 2011, 2015)
Top 10 Most Important 16-Mark Questions – Unit I
Subject: CS3691 – Embedded Systems and IoT
Unit I: 8-Bit Embedded Processor
Based on Previous Year Question Papers | Sorted by Priority & Frequency
1. Explain the architecture of 8051 microcontroller with neat diagram.
Repeated: 8 times
(2006, 2008, 2009, 2010, 2011, 2012, 2013, 2017)
2. Explain the different types of interrupts in 8051 and their handling mechanism.
Repeated: 6 times
(2006, 2009, 2010, 2011, 2014, 2018)
3. Explain the timer/counter modes of 8051 with suitable programming examples.
Repeated: 5 times
(2008, 2009, 2011, 2013, 2016)
4. Write an assembly language program using 8051 to interface with parallel ports (e.g., LED, switch). Explain the logic.
Repeated: 4 times
(2009, 2010, 2012, 2014)
5. Explain the serial communication features of 8051. Write a program to transmit a character serially.
Repeated: 3 times
(2008, 2011, 2015)
6. Write short notes on any four addressing modes of 8051 with examples.
Repeated: 3 times
(2009, 2012, 2016)
7. Describe the instruction set classification of 8051 microcontroller with examples.
Repeated: 3 times
(2008, 2010, 2013)
8. Write an 8051 assembly language program to generate a square wave using a timer.
Repeated: 2 times
(2011, 2014)
9. Explain any four instructions of 8051 with examples and their addressing modes.
Repeated: 2 times
(2010, 2015)
10. Write a program using 8051 to receive data serially and store it in memory.
Repeated: 2 times
(2011, 2016)
1A1
PARALLEL PORTS
ARCHI
I/O COMM
GPS GSM
ISTRUCTION SET
PIN DIAGRAM
Prompt
Unit I 8-BIT EMBEDDED PROCESSOR
8-Bit Microcontroller Architecture Instruction Set and Programming Programming Parallel
Ports Timers and Serial Port - Interrupt Handling refer CS3691 EMBEDDED SYSTEMS AND IOT previous year question paper and give me one important 16 question that has 100% possiblikllty on upcming exam no explanation please give top 10 most high priority on unit 1 and list no based on proirity And no of times repeated in previous year question papers