Andhra University 2003 M.Sc Computer Science Embedded Systems - Question Paper

M.Sc. DEGREE exam 29 Oct 2003
Second Year - 3rd Semester Computer Science

Elective - Embedded Systems

Time: 3 hours
Maximum: 75 marks

First ques. is compulsory.
ans any 4 from the remaining ques..
All ques. carry equal marks.
Write all bits of the 1st ques. at 1 place.

1.
a. What is single purpose processor?
b. What is an embedded System?
c. define micro controller.
d. discuss Watch Dog Timer
e. discuss Inter Task Communication

2. discuss different architectural features of 8051 micro processor.

3.
a. elaborate the 2 rules that an interrupt routine adhere to in an RTOS environment?

b. Write the benefits of choosing a single purpose processor over a general purpose processor.

4.
a. define any 3 requirements of Real-Time Systems. provide examples to support your argument.

b. Explain:
i. FDFS architecture
ii. Preemptive scheduling

5. discuss various characteristics of Real-Time architecture for embedded applications with a few examples.

6. define every tool that has enabled the elevation of Software Design and Hardware Design to higher abstract level.

7.
a. provide the necessary conditions for a function reentrant.
b. discuss how the issue priority inversion can be solved

8.
a. Differentiate Real Time Operating System and Typical Operating Systems.
b. provide various applications of Embedded Systems.

Earning:   Approval pending.