Jawaharlal Nehru Technological University Kakinada 2009 B.E Computer Science and Engineering JNTU-KAKINADA : EXTERNAL IL// REGULAR FOR 2nd BTECH - Question Paper

Code No: 3220504 SET - 1

II B. Tech II Semester Regular exams April/May 2009
COMPUTER ORGANIZATION
(Common to C.S.E, I.T, E.C.C, I.C.E )
Time: three Hours Max. Marks: 80
ans any 5 ques..
All ques. carry equal marks
* * * * * *
1. a) Name 4 main comp onents of a computer and provide their functions.
b) What is the differen ce ranging from binary, BCD and Gray code.
c) Show that the exclusive-OR function X=A BC is an even function.

2. a) Draw the circuit diagram of a bus system for 4 registers by using
Tri-state buffers.
b) define the addressing mode that do not need address field at all and
addressing mode s that uses content of PC for calculating effective address.

3. a) describe the subsequent
i) Micro operation ii) Micro instruction iii) Macro program
iv) Macro code
b) provide the circuit diagram for a micro program sequence for a control
memory.

4. a) Derive an algorithm in flowchart form for fixed point binary division.
b) provide the flowchart for decimal multiplication.

5. a) provide the relative merits and demerits of 3 differ ent mapping Processes for cache
organization.
b) Name a few specific features of memor y design that lead to superior Performance.
c) define LRU algo rithm for page replacement.

6. a) What is the purpose of an interface ranging from the processor bus and peripheral
devices and elaborate the major differences ranging from CPU and I/O characteristics that
are to be taken care of by the interface.
b) define asynchronous data transfer using handshaking.
c) provide the features of RS-232.

7. a) define a 4-segment pipeline for floating point addition and subtraction of 2
binary numbers.
b) define Flynn's classification of computer system.
c) Differentiate ranging from arithmetic pipeline and instruction pipeline.
d) Name a few pipeline conflicts.
8. Write short notes on any 2 of the subsequent.
a) Inter process arbitration b) Instruction pipeline c) ROMs

Earning:   Approval pending.