2034/-I/03
MCA - 3104
M.C.A. DEGREE EXAMINATION-2003
Third Year - FIRST SEMESTER
ELECTIVE I: EMBEDDED SYSTEMS
(Effective from the admitted batch of2000 - 2001)

Time: 3 Hours
Max. Marks: 75

First question is Compulsory.
Answer any four from the remaining questions All questions carry equal marks.
Answer all parts of any question at one place.

I Give a brief account of the following:-
a) Atomic Operations
b) DMA
c) Schedule in RTO's
d) Cross compiler
e) Priority inheritance
f) Linkers
g) Binary Semaphore

2. a) Explain various Register functions of UART.

b) Explain interrupt latency with a diagram

3. a) Explain Round - Robin Architecture.

b) Explain the characteristics of Real-Time operating system architecture for embedded systems.

4. a) Explain encapsulating semaphores and queues.

b) What is priority inversion? How this can be solve. Explain with an illustration,

5. a) Explain the architecture of Function Queue Scheduling.

b) Explain shared data problem.

6. a) Compare different methods in inter-task communication.

b) Explain the rules that an interrupt routine must adhere to RTO's environment.

7. a) Sketch the block diagram of tool chain for building embedded software.

b) Explain different goals for typical testing on a host machine.

8. Write short notes on the following:
a) Applications of Embedded Systems
b) Cross compilers.
c) Logic analyzer.