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Microprocessor Applications (Elective I) (April 2010)

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Total No. of Questions : 10] P1451 [Total No. of Pages : 2 [3764] - 1013 B.E - (Mechanical Engg) MICROPROCESSOR APPLICATIONS (1997 Course) (Elective - I) (402045) Time : 3 Hours] [Max. Marks : 100 Instructions: 1) Answers any three questions from each section. 2) Answers to the two sections should be written in separate books. 3) 4) 5) Neat diagrams must be drawn wherever necessary. figures to the right indicate full marks. Assume suitable data, if necessary. SECTION - I 1 ) a) What are the main differences between RAM,ROM,PROM, and EPROM? Describe suitable applications for each. [10] b) Explain static and dynamic RAMs. c) How does a microcontroller differ from a microprocessor? Explain. [4] 2 ) a) Explain various ports in 8051. Why pull - up resistors are required for port 0? [8] b) Describe the internal architecture of 8051. Why 8051 is called harvard architecture? [8] 3 ) a) How timers are useful in generating software delays in 8051? Explain with suitable example. [8] b) 4 ) a) b) 5) a ) b) [4] How can be 8051 operated in low power modes? Explain. [8] Describe different addressing modes of 8051 in detail. [8] Explain serial communication using 8051. [8] Explain interfacing of DAC to 8051 with suitable diagram. [8] Explain with suitable example, working of ADC in a microprocessor based system. [8] P.T.O.

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Additional Info : 1997 Course
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