Tuesday, January 24, 2023

Dr. A.P.J. Abdul Kalam University MTECH I SEM (DC) Microcontroller System Design [MTDC103] Dec 2020 Question Paper

Dr. A.P.J. Abdul Kalam University

Master of Technology

First Semester Main Examination, Dec-2020

Microcontroller System Design [MTDC103]

Time: 3:00 Hrs Max Marks 70

Note: Attempt any five questions. All questions carry equal marks.

Assume suitable data if necessary and state them clearly.

Q.1 (a) What is microcontroller based embedded system? Elaborate with example.

(b) How can interface a 4 X 4 keypad with single port of microcontroller.

Q.2 (a) What is compiler and cross compiler, differentiate with example.

(b) Explain the working of vending machine and uses of microcontroller in it.

Q.3 (a) How analog and digital signals work together in DSP.

(b) Explain the single chip microcontroller architecture.

Q.4 (a) What should be the criteria for selecting an appropriate microcontroller?

(b) What do you mean by integrated software development environment?

Q.5 (a) How we can interface ADC with 8051? Write the handshaking sequence for

Establishing connection between 8051 and ADC.

(b) Write down the application and types of microprocessor.

Q.6 (a) Explain SCON SBUF, TCON and TMOD register of microcontroller.

(b) Elaborate memory architecture of 8051 microcontroller. Also elaborate the uses

of bit addressable of RAM.

Q.7 (a) What is the initialization command for 16X2 LCD with microcontroller?

(b) Explain in detail architecture of 16 bit microprocessor.

Q.8 Write short note on – (any three)

(i) Need of Digital signal processor

(ii) Interfacing I/O using decoders

(iii) Shared RAM

 (iv) Files with extension ‘.asm’ ‘.obj’ ‘

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