Rajiv Gandhi Proudyogiki Vishwavidyalaya(Technical University) B.E.(Sixth Semester) EXAMINATION, Dec. 2008 model question papers



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Posted Date: 03 Jul 2009      Posted By:: rajesh kale    Member Level: Silver  Points: 5 (₹ 1)

2008 Rajiv Gandhi Proudyogiki Vishwavidyalaya(Technical University) B.E. Electrical and Electronics Engineering B.E.(Sixth Semester) EXAMINATION, Dec. 2008 Question paper



Course: B.E. Electrical and Electronics Engineering   University/board: Rajiv Gandhi Proudyogiki Vishwavidyalaya(Technical University)





CS-601
B.E.(Sixth Semester) EXAMINATION, Dec. 2008
(Common for CS,EC,EE,EI & IT Engg.)
MICROPROCESSOR AND INTERFACING
(601)

Note : Attempt any five questions. All questions carry equal marks.

1.(a) Enlist and compare the salient features of 80286,80386,8486 and pentium.
(b) Explain Register organisation of 8086 and explain typical applications of each register.

2.(a) Draw and discuss minimum mode 8086.
(b) Explain various addressing modes 8086 with suitable examples.

3.(a) Explain various modes of 8155 timer.
(b) Explain the features and operating modes of 8255.

4.(a) Explain with the aid of diagram interfacing of 8-bit ADC to microprocessor 8086.
(b) Discuss how 8254 is used ?
(i) to generate delay ?
(ii) to generate square wave ?

5.(a) Draw the architecture of PIC 8259 indicating different blocks and their interconnection.
Explain its operation.
(b) Describe the importance of Direct Memory Access(DMA) scheme. Draw the block diagram and
explain the operation of 8257 DMA controller.

6.(a) Explain the block diagram and function of each block of 8251 USART.
(b) Specify the various types of bus standards. Explain RS-232C.

7.(a) Explain interrupts of 8051.
(b) Describe the pin signals of 8-bit microcontroller.

8. Write short notes on any two of the following :
(a) RISC and CISC processors
(b) Memory interfacing
(c) Modem
(d) Architecture of 8051





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