Shivaji University 2011-4th Sem B.E Computer Science and Engineering S.E.(Computer sci& engg.) , ,COMPUTER ORGANIZATION - Question Paper

S.E. (Computer Sci. & Engg.) (Semester-IV) Examination, 2011
COMPUTER ORGANIZATION

Instructions: 1)Solve any two ques. from every part.
2)Figures to the right indicate full marks

part - I

1. a)Draw and discuss accumulator based CPU.[Marks 6]
b) describe terms.[Marks 6]
i)User mode
ii]Supervisor mode

2. a) Expalin in detail IEEE 754 floating point single precision format:[Marks 8]
1)+1.5(10) (10 is the base)
2)-299.25(10) (10 is the base)
b) Compare Risc and Cisc.[Marks 5]

3. a) discuss CPU structure of IBM 360-370 computer.[Marks 6]
b) provide HDL for Booths Algorithm.[Marks 6]

part – II

4. a) Draw CU and DP unit for processor configuration to implement instruction ADD A,B.[Marks 6]
b) provide the microinstruction format and state table format which define the behavior of (hardwire) sequential circuit for subsequent conditional statement.[Marks 7]

loop: if condition one = actual then
ADD A,B
else
Sub A,B
if condition two = actual then
goto output
else
loop
output:

5. a) Draw and discuss the flowchart for control unit behavior of the accumulator based
CPU.[Marks 6]
b) Draw and discuss the basic structure of micro-programmed control unit.[Marks 6]

6. a) provided the microinstruction format for micro-programmed controller,explain control
field format.[Marks 6]
b) discuss TLB.[Marks 6]

Earning:   Approval pending.