CLASS: M.Sc. COMPUTER SCIENCE
9A301A
St. JOSEPH’S COLLEGE (AUTONOMOUS) TIRUCHIRAPPALLI – 620 002
SEMESTER EXAMINATIONS – APRIL 2009
TIME: 3 Hrs.
MAXIMUM MARKS: 100
SEM
SET
PAPER CODE
TITLE OF THE PAPER
II
2008
08PCS2107
COMPUTER ORGANIZATION & ARCHITECTURE
SECTION – A
Answer all the questions:
20 x 1 = 20
Choose the correct answer:
1.
How many categories are available in instruction set completeness
a) Three
b) Five
c) Four
d) None of these
2.
A computer with a large number of instruction is classified as a _________.
a) CISC
b) RISC
c) Pipelining
d) Vector Processor
3.
How many ways are the negative fixed point binary numbers represented
a) 5
b) 3
c) 2
d) 7
4.
8051 is a _________ Microcontroller
a) 16 bit
c) 8 bit
5.
b)
d)
80386 contain a circuitry of _________ transistors.
a) 2,75,000
b)
c) 100
d)
32 bit
64 bit
1 million
10,500
State True or False:
6.
Data Register is sometimes called as Pipeline Register.
7.
Division operation may result in a quotient with an overflow.
8.
PUSH instruction is a Program Control Instruction.
9.
In Indexed Addressing the operand is placed in the instruction itself.
10.
The first product of Sledge Hammer series is called opteron.
Fill in the blanks:
11.
_________ is a group of bits that instruct the computer to perform a specific operation.
12.
Floating point number in computer register consists two parts: _________ & _________.
13.
In _________ mode the operand is specified in the instruction itself.
14.
NMI is _________.
15.
AMD is _________.
Match the following:
16.
PC
-
a) 32 bit super scalar CISC Microprocessor
17.
Exchange
-
b) Math Processor
18.
Pentium
-
c) technique to eliminate conditional branches
19.
Predication
-
d) hold Address of the next instruction
20.
Intel 8087
-
e) Swaps information between registers
SECTION – B
Answer all the questions:
21.
a.
5 x 4 = 20
Explain the Instruction code.
OR
22.
b.
Write a short notes on control memory.
a.
Explain the RISC characteristics.
OR
23.
b.
Draw the SIMD Array Processor & Explain it.
a.
Write a short notes on binary Addition& Subtraction.
OR
24.
b.
Explain the decimal arithmetic unit.
a.
Draw the Block diagram of Intel 8086 Microprocessor.
OR
25.
b.
What is Interrupt? Explain the Intel 8086 Interrupts.
a.
Explain the Multimedia Extension Technology.
OR
b.
Write a short notes on Zilog z80.
SECTION – C
Answer any FOUR questions:
4 x 15 = 60
26.
Describe the Computer Registers.
27.
a.
What is meant by Pipelining?
b.
Give the detailed explanation about instruction Pipelining with suitable Timing diagram.
28.
Explain the Multiplication Algorithm.
29.
Draw the Block diagram of Inel 8051. And explain its various features.
30.
Draw the function unit of 80486 and explain the register of 80486 Microprocessor.
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