Term-End Examination December, 2013 CS-64 : INTRODUCTION TO COMPUTER ORGANISATION Maximum Marks : 75
Time : 3 Hours
Note : Question No. 1 is compulsory. Answer any three questions from the rest.
1.
(a) What is Random Access Memory ? Explain its working with the help of its logic diagram. (b) What is the function of the Control Unit ? Explain wilke's control unit with the help of a diagram. (c) Explain the four addressing modes used in microprocessors, giving an example of each. (d) Explain parameter passing using stack in Assembly language with the help of an example. (e) Simplify the Boolean expression given below using K-map :
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F (a, b, c, d) = a.b.c.d + a. b. c. d + b + a. 17). c + a.d
CS-64
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P.T.O.
2.
(a) Write a program for the expression :
(b) (c)
Ax B F— E*F Using (i) 1- address instructions (ii) 2- address instructions Make suitable assumptions. What is a parity bit ? Explain its use with the help of an example. Explain how error can be detected and corrected using Hamming error correcting code.
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3.
(a) What are Programmer Visible Registers ? 5 Explain the four types of such registers. (b) Explain the following instructions of 8086 10 microprocessor with the help of an example. (i) LOOPE/LOOPZ (ii) MUL (iii) RCL (iv) AND (v) TEST
4.
(a) Write an Assembly program in 8086 assembly language to display the largest and smallest element in an array. (b) What is Cache Memory ? Explain its organization and importance. Explain the three ways in which main memory block can be mapped in cache. (c) Explain polling as a method of Bus Arbitration.
5.
(a) What are Decoders ? Explain the working of a 3 x 8 Decoder using its logic diagram and truth table.
CS-64
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(b) Explain the following with the help of an example/diagram. (i) J.K. flip flop (ii) Seek time and latoncy time (iii) DMA (iv) BCD
Jun 3, 2015 - arithmetic with rounding, find whether. (a + b) + c = a + (b + c), or not. 5 ... Solve the following equations by Cramer's rule : 5. 3x + y + 2z = 3.
approximates f(x). Give one example of an equation with "multiple roots". And justify your answer. Also, write a polynomial equation of degree three which has a.
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He always talked about liberty, equality and fraternity. (b) Fill in the blanks with the correct form of the verb given in brackets : 0 4. (i) It is years since I. (see) him. (ii) Ram and Rahim. (go) to school at 8 o'clock in the morning. (c) Write t
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