Master of Science I (Physics Electronics Science) Examination:
Oct Nov 2016 Semester I Old CBCS)
SLR No. Day
Date Time Subject Name Paper
No. Seat No.
SLR SJ
338
Friday
18/11/2016
10.30 AM
to
01.00 PM
Microprocessor and
Microcontroller
C
II
Instructions: Attempt five questions
Q. no. 1 and Q. no 2 are compulsory
Attempt any three questions from Q. No.3 to Q. No. 7
Figures to the right indicate full marks
Total Marks: 70
Q.1 Choose correct answer 08
The Intel 8086 can address upto memory
8KB 64KB
1MB 8MB
The segment size of 8086 is
8KB 16KB
32KB 64KB
The operating frequency range of PIC18F4550
DC 8 MHz DC 16 MHz
DC 24 MHz DC 48 MHz
The return address stack of PIC18F4550 allows any combination of up to
programs calls and interrupts to occur.
7 15
31 47
Maximum current sourced by all ports of PIC18Fxxxx microcontroller is

20 50
100 200
The special function Registers of PIC18Fxxxx occupy the data memory
space from
000 to 080h 100h to 180h
F00h to F80h F60h to FFFh
In PIC18Fxxxx oscillator configuration XT refers to
Crystal/resonator High speed crystal/resonator
External clock Internal clock
Page 1 of 2
The Memory Endurance for program memory of PIC18Fxxxx is
eras/write cycles.
10,000 100,000
1,00,000 10,000,000
State true or false. 06
The Intel 8086 is a 32 bit microprocessor
In 8086 segment registers and Instruction pointer are part of Execution
Unit.
In PIC18Fxxxx, setting a TRISA bit will make the corresponding PORTA
pin an output
Internal Oscillator of PIC18Fxxxx can provide clock frequency of upto
16MHz
Timer 0 of PIC18Fxxxx is 16 bit
PIC18Fxxxx has 8 x 8 hardware multiplier as part of the ALU
Q.2 Write a short note on 8086 status register
Give advantages of PIC18Fxxxx microcontrollers.
Write a short note on PIC 8259
05
05
04
Q.3 With a suitable diagram explain internal architecture of 8086
Explain arithmetic instruction of 8086
10
04
Q.4 With a neat diagram explain the architecture of the PIC18Fxxxx
microcontroller.
Explain Bit-oriented operations in PIC8Fxxxx microcontrollers with
suitable examples.
08
06
Q.5 Explain the interrupt configuration of PIC18fxxxx microcontrollers
Explain the sleep modes of PIC18Fxxxx microcontroller.
08
06
Q.6 What is IDE? Explain the steps in MPLAB IDE for PIC program
development.
Draw and explain the waveforms for sending data, sending command and
checking busy status of smart LCD.
08
06
Q.7 Explain speed control of DC motor using PWM generated by PIC
microcontroller.
Explain relay and opto coupler interfacing with PIC ports.
08
06