Question Paper: Microprocessor : Question Paper May 2013 - Computer Engineering (Semester 5) | Mumbai University (MU)
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Microprocessor - May 2013

Computer Engineering (Semester 5)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks.
1(a) Explain the memory segmentation in Intel 8086 processor with its advantages and disadvantages(10 marks) 1(b) Explain interrupts of Intel 8086 microprocessor.(10 marks) 2(a) Design an 8086 based system with following specifications:-
(i) 8086 working at 8Mhz
(ii) 32 kbytes EPROM using 16kb devices
(iii) 64 kbytes RAM using 32kB devices
Draw the complete schematic of the design indicating address map.
(10 marks)
2(b) Explain the following Intel 8086 assembly language instruction giving example
(1) TEST (2) NOP (3) STOS (4) DAA (5) SAR
(10 marks)
3(a) Explain the operating modes of 8255 PPI including handshaking operation.(10 marks) 3(b) Explain the operating modes of 8254 PIT.(10 marks) 4(a) Explain the modes of operation of DMA Controller.(10 marks) 4(b) What do you understand by bus arbitration? Explain different bus arbitration techniques with diagram.(10 marks) 5(a) Explain the 8288 bus controller block diagram. Explain its use.(10 marks) 5(b) Explain the operation of three 8259 PIC in cascaded mode(10 marks) 6(a) Explain with neat diagram memory read and write machine cycle in maximum mode.(10 marks) 6(b) Explain addressing modes of 8085 with example.(10 marks)


7. Write short notes on (any four)

7(a) RS-232 Serial Interface Standard(5 marks) 7(b) 8284 Clock Generator(5 marks) 7(c) Fixed port and Variable Port addressing(5 marks) 7(d) Generation of Reset Signal in 8086 based system(5 marks) 7(e) String Instructions(5 marks)

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