Pondicherry University 2008 B.E Information Technology Emdded systems - exam paper

1.
(a)Draw and discuss timing diagram for fetch operation(5)
(b)With a neat block diagram discuss DMA data transfer scheme(10)
(OR)
2.
(a)Explain what is 'Interrupt Latency'(5)
(b)Draw block diagram of showing internal Architecture of Microprocessor.Explain the functions of the individual blocks.(10)
3.
(a)Write the major difference ranging from Microprocessor and Micro controller(5).
(b)Explain the CPU architecture of PIC Micro controller(10).
(OR)
4.
(a)Explain the timer operation of Micro controller(5).
(b)Explain how interfacing of ADC is done with Micro controller(10).

5.
(a)Describe the Register Addressing modes(5).
(b)Explain the architecture of Motorola MC68H11 family and explain every and every function block(10)
(OR)
6.
(a)Draw and discuss the embedded Microcomputer system(5)
(b)Explain the interrupts in MC68H11 and provide the features of interrupts(10)

7.
(a)Describe the scheduling architecture(5)
(b)Explain the round robin with interrupts(10)
(OR)
8.
(a)Explain the functions of various debugging techniques(5)
(b)In circuit emulators logic analysis are used as debugging techniques.Discuss(10)

9.
(a)Describe about the subsequent real-time operations in micro controller(5).
(1)Task and task states.
(2)Semaphore instruction.
(b)What are the various tools used for developing embedded system software(10).
(OR)
10.
(a)Describe the memory management(5).
(b)What is RTOS?.For what kind of control it is suitable.Mention its area of application.(10)

Earning:   Approval pending.