13 MARKS (5*13= 65 Marks)
1. How would you show
your understanding of internal hardware architecture of 8086
microprocessor
with neat diagram? and What is the main idea of about assembler
directives?
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OR
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Write an ALP to sort
an array of ten bytes in ascending order .Add comments to your program
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2. What is Minimum mode operation in 8086? Explain in detail and draw the timing diagram of
memory READ
and memory WRITE operations in 8086
microprocessor
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OR
Explain
8086 Multiprocessor configuration system
in detail.
3. Discuss how 8251 is used for
serial data communication & draw
the block diagram of
programmable
interrupt controller and explain .
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OR
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Explain how to interface a
Traffic light controller system with 8086 through 8255, with four directional
tables. Compute the input values for the traffic light system. With flowchart
write ALP for the same
4. Discuss about the
organization of Internal RAM and Special function registers of 8051
microcontroller in detail
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OR
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Explain the Data
transfer instructions and Program control instructions of 8051
microcontroller.. (ii) Explain in detail about the interrupt structure of 8051
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5. Write
a program to generate square, triangular
waveforms How does interface a 16x2 LCD display
using 8051.
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OR
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Explain serial
communication interface in 8051.Write a program to generate a delay of 1ms using timer0
PART C (Compulsory)
What
is timer/counter? Explain the 16-bit timer mode and 8-bit auto-reload mode of
8051 microcontroller. Write a program to
transfer the message “SSMIET” serially at 9600 baud, 8-bit data, 1 stop bit. Do
this continuously Write an timer program to run Timer0 in mode 1 and stop when
it overflows
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