LinkedIn Insight BSc.-Computer Organization & Design-Mumbai-April 2018 - Grad Plus

BSc.-Computer Organization & Design-Mumbai-April 2018



Semester: 1

[Total Marks: 75]
Time: 24 Hours)
N.B. 1) All questions are compulsory.
2) Figures to the right indicate marks.
3) Illustrations, in-depth answers, and diagrams will be appreciated.
4) Mixing of sub-questions is not allowed.

Q. 1)  Attempt All(Each of 5Marks) (15M)

A) Select appropriate choice from the following:

i) Which of the following system is analog?
a) Electrical switch                                            b) electronic counter                                                                                  c) Mercury Thermometer                                 d) None of the above

ii) If one of the input to an OR gate is high its output will be ____________________
a) Medium                   b) High                               c) Low                      d) no output

iii) The anssembled machine langunge program is called
a) Object Code             b) Executable code             c) Source code         d) Master

iv) One Byte is equivalent to bits
a) 2                                b) 6                                     c) 16                         d) 8

v The program written in alphanumeric characters is called
a) Object Code               b)Executable code              c) Source code


B) Fill in the blanks.

1) RISC stands for _________________

2) If one of the inputs to an OR gaie is low its output will be ________________

3) The number of inputs to logle gate is called its ______________

4) In Octal number system base is _________________

5) A K-map ofn variables contains  ________________ cells.


C) Give short answers to following:

i) What is an interrupt?

ii) Define Sequential circuit.

iii) What is parity bit?

iv) Define fan-in and far-out.

v) Slate the role of ALU.


Q. 2) Attempt the following (Any THREE) (Each of 5 Marks) (15M)

a) Explain the concept of universal gate.

b) State number systems used in computer systems. Explain their characteristios.

c) Draw the circuit for full adder using Kanap reduction technique?

d) What is a gated S-R latch?

e) Explain tristate buffers.

f) Draw a neat basic block diagram of computer system.


Q. 3) Attempt the following (Any THREE) (Each of 5 Marks) (15M)

a) The HLL statement zax-y when gets compiled what type of machine instructions will get used?

b) Explain How memory is used in read-write operations.

c) Define terms: Memory word, word length. Address & address space.

d) Explain characteristics of RISC instruction set

e) What is pointer? Explain its use in indirection operation.

f) Discuss the type of machine instructions:


Q. 4) Attempt the following (Any THREE) (Each of 5 Marks) (15M)

a) Discuss process control registers.

b) Discuss the conceptual view required for computing?

c) How arithmetic & logic instructions differ from Lond? Explain with example?

d) With neat diagram explain organization of instruction fetches section of the processor

e) Explain the concept of exception?

f) How data movement & manipulation aperitifs performed using Data Path.


Q. 5) Attempt the following (Any THREE) (Each of 5 Marks) (15M)

a) Explain instruction execution & straight line sequencing.

b) Explain the use of stocks in computer operations with example.

c) With respect to RISC’style instruction explains the pictures involved in the execution of Laad instruction

d) Convert decimal number 777 to binary & 1111101 binary to decimal form.

e) Explain implementation of AND, OR GATES using NOR.



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