Exam Details
| Subject | microcontroller and interfacing | |
| Paper | ||
| Exam / Course | pddc | |
| Department | ||
| Organization | Gujarat Technological University | |
| Position | ||
| Exam Date | November, 2018 | |
| City, State | gujarat, ahmedabad |
Question Paper
1
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER-VI EXAMINATION WINTER 2018
Subject Code:X60902 Date: 20/11/2018
Subject Name: Microcontroller and Interfacing
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1
Explain difference between Microprocessors and Microcontrollers in details.
07
What is flag register? Explain 8051 Flag register and its practical implementation.
07
Q.2
Describe 8051 architecture with Block diagram.
07
Discuss various C data types for the 8051 microcontroller.
07
OR
Draw and Describe function of each pins of DIP-51 Intel 8-bit microcontroller.
07
Q.3
State different addressing modes in 8051 microcontroller. Explain each with example.
07
Explain following instructions of 51 family microcontroller DAA DEC A
RRC A DEC @R0 ADDC A,R7 SETB C SWAP A
07
OR
Q.3
Draw interfacing circuit of LCD with microcontroller 8051. Explain the function of each pin of LCD.
07
What is Serial Communication? How it will perform using 8051 Controller with PC? Explain it with program and diagram.
07
Q.4
Explain in detail the structure and operation of port P0 of the 8051 microcontroller.
07
Define and describe the directives of 51 Microcontroller.
07
OR
Q.4
Broadly classify the interrupts in 8051 microcontroller.
07
Draw and explain DC motor control with optoisolater and PWM.
07
Q.5
Explain interfacing of 8051 with ADC0804 chip.
07
Explain keyboard interfacing with 8051 and also draw flow chart for Detection and identification of key activation.
07
OR
Q.5
Draw and explain TMOD and TCON register of Timers in 8051microcontroller.
07
What is relay? Explain different types of relays.
07
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC SEMESTER-VI EXAMINATION WINTER 2018
Subject Code:X60902 Date: 20/11/2018
Subject Name: Microcontroller and Interfacing
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1
Explain difference between Microprocessors and Microcontrollers in details.
07
What is flag register? Explain 8051 Flag register and its practical implementation.
07
Q.2
Describe 8051 architecture with Block diagram.
07
Discuss various C data types for the 8051 microcontroller.
07
OR
Draw and Describe function of each pins of DIP-51 Intel 8-bit microcontroller.
07
Q.3
State different addressing modes in 8051 microcontroller. Explain each with example.
07
Explain following instructions of 51 family microcontroller DAA DEC A
RRC A DEC @R0 ADDC A,R7 SETB C SWAP A
07
OR
Q.3
Draw interfacing circuit of LCD with microcontroller 8051. Explain the function of each pin of LCD.
07
What is Serial Communication? How it will perform using 8051 Controller with PC? Explain it with program and diagram.
07
Q.4
Explain in detail the structure and operation of port P0 of the 8051 microcontroller.
07
Define and describe the directives of 51 Microcontroller.
07
OR
Q.4
Broadly classify the interrupts in 8051 microcontroller.
07
Draw and explain DC motor control with optoisolater and PWM.
07
Q.5
Explain interfacing of 8051 with ADC0804 chip.
07
Explain keyboard interfacing with 8051 and also draw flow chart for Detection and identification of key activation.
07
OR
Q.5
Draw and explain TMOD and TCON register of Timers in 8051microcontroller.
07
What is relay? Explain different types of relays.
07
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