Roll No.
Total No. of Questions : 07
BCA
(Sem.–3rd)
INTRODUCTION
TO MICROPROCESSOR
Subject
Code : BC-305
Paper
ID : [B0213]
Time : 3 Hrs.
INSTRUCTION TO CANDIDATES :
1.
Section-A is compulsory.
2.
Attempt any Four questions form Section-B.
SECTION-A
Q1)
a) What are various arithmetic instructions?
Explain with examples.
b) What is DMA? Explain its working.
c) What is need of clock generator? Explain.
d) What is co processor? Explain the working
of arithmetic co processor.
e) What is micro instruction? Explain with
example.
f) What is interrupt cycle? Explain.
g) What is basic principle of 8237 DMA
Controller?
h) List any five latest microprocessors
available in commercial market.
i) What are logical instructions? Explain with
example.
j) What are various types of pins in 8086
microprocessor?
Section
– B
Q2)
What are basic components of 8085 microprocessor? Explain the need and
functionality of each component.
Q3)
Define instruction? What is its format? Explain various data transfer instruction
available in 8085 microprocessor with examples.
Q4)
What is interrupt? Explain its types? Draw and explain working of 8257 interrupt
controller.
Q5)
Write note on the following:
• Branch instructions
• Real and protected memory addressing.
Q6)
What are addressing modes? Why we have number of addressing modes. Explain
the difference between immediate, relative and index addressing modes.
Q7)
What is microprocessor? How it is different from microcontroller? Discuss the evolution of microprocessors.
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