MSc Degree IV Semester Examination, April 2003
Branch II: PHYSICS
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Duration: 3 hours Maximum mark: 75 |
(Answer any five
questions. Each question carries 3 marks.)
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I a) b) c) d) e) f) g) h) |
Illustrate shift and rotate operation of mP8086? What is a coprocessor? Explain the heuristic search technique. What is an expert system? Distinguish between continuous and discrete time signals. What is auto correlation? Explain the term neural network. What does fuzzy reasoning mean? (3 marks x 5) |
(Answer all
questions. Each question carries 15 marks.)
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IIA IIB |
(a) What are
addressing modes? (b) Explain the
operation of various data addressing and program memory addressing of mP8086. (OR) (a)
How do you interface a memory chip with 8086 microprocessor? (b)
Draw the timing diagrams of memory READ and memory WRITE operations. (15 marks) |
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IIIA IIIB |
With suitable examples,
explain the construction and working of expert systems. (OR) (a)
List and explain the different problem solving methods used in
artificial intelligence. (b)
Write a note on the structure representation of knowledge. (15 marks) |
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IVA IVB |
(a)
Explain the principle and working of digital filters. (b)
What is meant by adaptive signal processing? (OR) (a)
State and explain sampling theorem. (b)
Write a note on fractals and signal processing. (15 marks) |
(Answer any three
questions. Each question carries 5 marks.)
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V a) |
Write a program that will: (1)
place 4516 in the accumulator, (2)
add 2F16 to the number in the accumulator, (3)
use a mask to invert every bit in the lower nibble of the sum yet not
alter the upper nibble, (4)
subtract 0001 11002 from the last result. |
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b) |
Overview how a data word
is written to memory starting at address A0000H of an 8088 microprocessor.
List the memory control signals together with their active logic levels that
occur along the memory WRITE cycle. |
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c) |
Three cannibals and three missionaries are standing on the west bank of a river. A boat is available that will hold either one or two people. If the missionaries are ever outnumbered on either bank or in the boat the cannibals will eat them. Write a sequence of trips that will get every one across the river to the east bank. |
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d) |
Represent the facts described by the following sentences as a set of well formed formulas in predicate logic: 1) Kaveri was a girl. 2) Kaveri was a Keralite. 3) All Keralaits were Indians. 4) Smitha was a ruler. 5) All Indians were either loyal to Smith or hated her. 6) Everyone is loyal to someone. |
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e) |
Consider
the analog signal: x(t) = 3 cospt + 10 sin300pt –
cos100pt What is the Nyquist rate for this signal? |
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f) |
Find the following for a 12-bit counter-type A/D converter using
a 1-MHz clock: (1)
Maximum conversion time. (2)
Average conversion time. (3)
Maximum conversion rate. (5 marks x 3) |
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