Kerala University 2006 M.Sc Physics FOUURTH SEMESTER - Question Paper

Reg. No.RLSPfc JSSSf....... (Pages: 2)

Name.

jrfpURTH SEMESTER M.Sc. DEGREE EXAMINATION

MAY/JUNE - 2006 Branch II - Physics

PH 243 E - ELECTRONICS - II

Max. Marks: 75

PART - A

Answer any five questions. Each question carries 3 marks.

I. a.    What is register indirect addressing?

b.    What is the main improvement in 80486 when compared to 80386 processor?

c.    Which instructions are used to address the I/O ports in an 8088 processor?

d.    Define and describe the difference between knowledge and data.

e.    Explain what is a heuristic function.

f.    Compare digital and analog filters.

g.    Explain the advantages of adaptive filters.

h.    Explain the use of fractals in signal processing.

(5x3-15 Marks)

PART-B

Answer all questions. Each question carries 15 marks.

n. A. (a) Using suitable diagrams, describe the structure and functions of the registers in the 8086 microprocessor.    nnivr.

(b) How the 80386 registers are different from 8086

OR

n. a (a) Discuss with examples the addressing modes i

microprocessor.

(10 Marks)

^{(b) Show how t0} compute a physical address from

segment and offset

values.

(5 Marks)

Discuss Fourier transform and its properties. What are the applications of Fourier transform. OR III. A. (a) (b) III.    B. (a) (b) IV.    A. (a) (b) IV. B. (a) (b) Discuss the knowledge acquisition and knowledge representation aspects of the expert systems. What is frame based system? OR Review the introductory' aspects of AI languages. What is perception learning? Compare digital, and analog signal processing. Explain sampling theorem. PART-C .

(10 Marks) (5 Marks) (10 Marks) (5 Marks) (10 Marks) (5 Marks) (10 Marks) (5 Marks i.ii (3 x 15 = 45 Marks) .i. . - : . Mf) i>id

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Answer any three questions. Each question carries 5 marks., j

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V. a. Write instructions for storing the content of AX and BX registers in the Stack area of the memory.

b.    Suppose DS = 1100H, SS = 2000H, BP - 1000H and DI = 0100H.

Determine the memory address accessed by the instructions MOV AL,

[BP + DI] and MOV CX, [DI].    _s

c.    Give an example to illustrate the idea of forward chaining.

d.    Give an example of a typical expert system.    . _{,

e.    Give the Fourier transform of a square wave.

f.    Estimate the resolution of a 12 bit A/D converter.

(3x5 = 15 Marks)

Attachment: kerala-university-2006-m-sc-physics-40180-1.pdf

Earning:   Approval pending.