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Posted By: Sree.... Member Level: Diamond Posted Date: 13 Jun 2008
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2006 Andhra Pradesh State Jawaharlal Nehru Technological University B.Tech EMBEDDED SYSTEMS Set No. 3 Question paper
Code No: RR411202 Set No. 3
IV B.Tech I Semester Supplementary Examinations, March 2006
EMBEDDED SYSTEMS
( Common to Information Technology and Computer Science & Systems
Engineering)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. What are the important general requirements of embedded systems? Explain each
one of the requirements and discuss in which application that requirement is more
important. [6+10]
2. Briefly explain the various hardware functional blocks of a typical embedded sys-
tem. [16]
3. Explain the terms “Atomic” and “critical Section” in the context of a code for
embedded systems. Explain with an example, one solution to solve the shared-
data problem. [16]
4. Discuss the relative merits and demerits of various shared-data protection mecha-
nisms. [16]
5. What are the rules to be followed by the interrupt routines in RTOS? Why? [8+8]
6. Explain the design details of an embedded system with some specific example. [16]
7. Explain the role of following tools in software development for embedded systems.
(a) Instruction Set Simulators
(b) In-Circuit Emulators [8+8]
8. Why serial communication facility is required in embedded systems? What are
the communication parameters and explain the steps involved in typical serial data
transmit and receive programs with the help of flow charts. [8+8]
? ? ? ? ?
1 of 1
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