C05-CM-404
459
BOARD DIPLOMA
EXAMINATION, (C-05)
OCT/NOV-2011
DCME IV
SEMESTER EXAMINATION
MICROPROCESSOR
Time : 3
Hours]
[Total Marks: 100
PART-A 10*4=40
Instructions: (1) Answer all
questions and each question caries four marks. (2) Answers should be brief and
straight to t the point and shall not exceed five simple sentences.
1.
Define the concept of multiplexing
in microprocessor.
2.
Draw flag register of 8086
3.
Draw the diagram of DRAM.
4.
Define the instruction execution
time.
5.
List the sources of interrupt in
8086
6.
Define procedure of macro’s
7.
Define DMA data transfer.
8.
What do you mean by “parallel Data
communication”?
9.
Write any four features of
Pentium-IV
10.
Differentiate between real mode and
protected virtual addressing modes
PART-B 5*12=60
Instructions: (1) Answer any five
questions and each question caries twelve marks. (2) The Answers should be
comprehensive and criteria for valuation is the Content but not the length of
the answer.
11.
Draw and explain the functional
block diagram of 8086
12.
(a) explain the types of instruction
formats. (b) classify the semiconductor memory
13.
(a) explain any six processor/machine control
instructions (b) explain the concept of interfacing SRAM and EPROM.
14.
(a) explain the levels of
programming. (b) explain the classification of interrupts
15.
Draw and explain the interfacing of
8259A with 8086
16.
Draw and explain the functional
block diagram of 8251A- USART.
17.
Draw and explain the architecture of
80386 Microprocessor.
18.
Draw and explain the architecture of
80486 Microprocessor
