This download link is referred from the post: PTU B.Tech 7th Semester Last 10 Years Previous Question Papers|| Punjab Technical University 2011-2021
Firstranker's choice
Roll No.
Total No. of Questions : 18
--- Content provided by FirstRanker.com ---
Time: 3 Hrs.
Total No. of Pages : 02
B.Tech. (EE) PT (Sem.-7)
MICROCONTROLLER AND PLC
--- Content provided by FirstRanker.com ---
Subject Code : BTEE-604
M.Code : 74092
Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
- SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
- SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
- SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.
--- Content provided by FirstRanker.com ---
SECTION-A
Write briefly :
- What is the difference between Microprocessor and Micro-controllers?
- What is the use of interrupts in microcontroller 8051? How many interrupts are there in microcontroller 8051?
- How many address bus, data bus and control bus are there in microcontroller 8051?
- What is the use of Program Counter and Data Pointer in microcontroller 8051?
- Define direct addressing in microcontroller 8051.
- Define Flags and Program Status word (PSW) of microcontroller 8051.
- How an I/O pin can be act as both an input and output pin.
- How many modes of serial data transmission are available in 8051?
- Explain the function JC and JNC with one example.
- What are the different modes of execution of PLC program?
--- Content provided by FirstRanker.com ---
--- Content provided by FirstRanker.com ---
SECTION-B
--- Content provided by FirstRanker.com ---
- With the help of neat and clean block diagram, explain the architecture of 8051 in detail.
- Explain the structure, concept and timing diagram of an on-delay and off delay PLC timer.
- Write a program to generate a square wave of period 1 sec on Port P2.1. Use interrupt programming of timer TO in Mod 1.
- Construct a lookup table program that converts the hex number in A to an equivalent BCD number in registers R5(MSB) and R4(LSB).
- Explain memory mapped I/O and memory address decoding of 8051.
--- Content provided by FirstRanker.com ---
SECTION-C
- Explain the architecture of CPLD and also discuss its different types and major design issues.
- Write the program that will accomplish following task :
- Exchange the contents of the B register and external RAM address 03CFh.
- Divide the number in RAM location 2Eh by the number 12h; put the quotient in R4 and the remainder in R5.
- Explain the following application in detail :
- Interfacing of LCD display.
- Digital to analog converter.
--- Content provided by FirstRanker.com ---
NOTE: Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.
--- Content provided by FirstRanker.com ---
This download link is referred from the post: PTU B.Tech 7th Semester Last 10 Years Previous Question Papers|| Punjab Technical University 2011-2021
--- Content provided by FirstRanker.com ---