JNTU
JNTU B.Tech IV EMBEDDED SYSTEM DESIGN Previous Question Paper (May/June - 2019 - R15)
Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B consists of 5 Units. Answer any one full question from each unit. Each question carries 10 marks.
PART- A
Give few examples of embedded systems.
Answer
Examples of embedded systems include digital cameras, washing machines, microwave ovens, anti-lock braking systems (ABS) in cars, and portable medical devices like heart rate monitors.
Write the difference between Embedded Systems and General computing systems.
Answer
An embedded system is designed to perform a specific, dedicated task with strict resource and real-time constraints, whereas a general computing system is a versatile platform designed to execute a wide variety of applications and tasks as required by the user.
Define microcontroller.
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Differentiate between general purpose processor and application specific instruction processor.
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List the various methods available for developing the embedded firmware.
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What is purpose of reset circuit? Explain.
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What is an Operating system?
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List the features of RTOS.
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What is mean by IPC?
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What is meant by concurrency of task execution in real time system?
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PART-B
Explain the classification of embedded systems based on different criteria in detail and give an example for each.
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Explain the various purposes of embedded systems with illustrative examples.
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What is the difference between microprocessors and microcontrollers? Explain the role of microprocessors and controllers in embedded system design.
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Explain the different communication on-board communication interfaces in brief.
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What is watch timer? Also explain its role in embedded system with examples.
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Explain the role of RTC in embedded system design, with examples.
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What is a process? With a neat representation explain the process states and state transition.
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Explain the different multitasking models in the operating system context.
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Explain the architecture of device driver with neat sketch and give the applications of device drivers.
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Explain message passing technique for inter process communication in detail.
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Explain the concept of Shared memory in task communication.
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