Download JNTUH MBA 1st Semester 2018 May Embedded C Question Paper

Firstranker's choice

FirstRanker.com

Hall Ticket No:

--- Content provided by FirstRanker.com ---

Question Paper Code: BES001

Jawaharlal Nehru Technological University Hyderabad

M.Tech I Semester End Examinations (Regular) - February, 2018

Regulation: R16

EMBEDDED C

--- Content provided by FirstRanker.com ---

(Common to Computer Science and Engineering/Embedded Systems)

Time: 3 Hours

Max Marks: 70

Answer ONE Question from each Unit

All Questions Carry Equal Marks

--- Content provided by FirstRanker.com ---

All parts of the question must be answered in one place only

UNIT I

1. (a) Define an embedded system? Why C language is preferred for embedded systems? [7M]
   (b) Elaborate the process of a central heating controller and develop an embedded C program for it? [7M]
2. (a) List out the features of 8051 microcontroller? Draw the pin diagram of 8051 microcontroller and explain each pin in detail. [7M]
   (b) Design possible reset circuits for 8051 microcontroller? Discuss about clock frequency in 8051 microcontroller. [7M]

--- Content provided by FirstRanker.com ---

UNIT II

1. (a) Discuss in detail the basic techniques for reading from port pins? Develop an embedded C program for reading and writing bits (generic version). [7M]
   (b) What is debounce technique? Explain the concept of switch bounce with example and develop an embedded C program for reading switch inputs? [7M]
2. (a) List out bitwise operators of C? Develop an embedded C program in order to perform bitwise operations on specified data? [7M]
   (b) Discuss in detail the difference between the schematic representation of a switch connected to a port with and without internal pull-up resistors? [7M]

UNIT - III

1. (a) How to use an object-oriented programming with C programs? Explain it with example. [7M]
   

   --- Content provided by FirstRanker.com ---

   (b) Discuss various components available in project header file and mention their applications? Develop an embedded C program for the project header (main.h)? [7M]
2. (a) Elaborate the process of goat-counting using switching concept? Develop an embedded C program for restructuring the gate counting? [7M]
   (b) Describe port header with a schematic representation? Develop an embedded C program for the port header (port.h)? [7M]

UNIT IV

1. (a) Construct the block diagram of simple autopilot system? Discuss each block in detail? Write a program for identifying problems with simple switch interface? [7M]
   (b) Draw the special function registers TMOD and TCON? Explain each bit in detail? Identify the potential problem using switch interface code? [7M]

--- Content provided by FirstRanker.com ---

2. (a) Elaborate the process of creating a portable hardware delay and Mention its applications? Generate a 50ms hardware delay for 12MHz using 8051 microcontroller. [7M]
   (b) Illustrate the process of creating loop timeouts with example? Develop an embedded C program for creating loop timeouts? [7M]

UNIT - V

1. (a) Discuss the working principle of main control panel for an alarm system with a block diagram? Mention different operating states of control panel for alarm system? [7M]
   (b) Discuss about keypad block in an intruder alarm system? Develop an embedded C program for an intruder alarm system using 8051 microcontroller? [7M]
2. (a) Discuss the key features of embedded C while designing an intruder alarm system using a small art gallery? [7M]
   

   --- Content provided by FirstRanker.com ---

   (b) List out the key software components used in intruder alarm system? Mention its applications in an intruder alarm system? [7M]

FirstRanker.com