A10 microprocessor & microcontrollers ( eee, ece & ecm )
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This document contains a past exam for a microprocessor and microcontrollers course. It includes 20 multiple choice questions testing knowledge of the 8086 microprocessor, 8255 programmable peripheral interface, 8051 microcontroller, and related topics. The second part of the exam contains 5 essay questions worth 10 marks each, asking students to explain concepts in more depth, provide code examples, and describe how to interface various hardware components to microprocessors and microcontrollers.
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![Sreenidhi Institute of Science & Technology
(An Autonomous Institution)
Code No: 101EM05
B. TECH. III โ Year II โ Semester Examinations, MAY, 2013 (Regular)
MICROPROCESSOR & MICROCONTROLLERS ( EEE, ECE & ECM )
Time: 3 Hours Max. Marks : 70
Note : No additional answer sheets will be provided.
Part-A (Objective Type)
Max.Marks:20
ANSWER ALL QUESTIONS.
1. List the ISRs addresses and priorities of the vectored interrupts of 8086
microprocessor.
2. What are assembler directives in 8086. Explain any two of them.
3. Explain how the following pins of 8086 MP functions : BHE and DEN .
4. Define bus cycle in 8086.
5. Give the control word format of 8255 programmable peripheral interface.
6. Give the block diagram of 4 - digit seven segment display.
7. What is the difference between microprocessor and a micro controller.
8. Give the block diagram of 8259 priority interrupt controller.
9. Explain the contents of PSW register and TCON register of 8051 micro controller.
10. Define baud rate.
Part โ B
Max. Marks: 50
ANSWER ANY FIVE QUESTIONS. EACH QUESTION CARRIES 10 MARKS.
1. Explain the architecture of 8086 micro processor in detail with help of a neat
sketch.
2. a) Write an assembly language program for 8086 MP to store a set of strings
of 100 bytes from one memory location to another in reverse order. [ 5 ]
b) Write an assembly language programme for 8086 MP to sort a set of ten 8
bit numbers stores in memory in ascending order. [ 5 ]
Page 1 of 2
A 10](https://image.slidesharecdn.com/a10-microprocessormicrocontrollerseeeeceecm-160502054809/85/A10-microprocessor-amp-microcontrollers-eee-ece-amp-ecm-1-320.jpg)
![3. Explain the pin diagram of 8086 micro processor with help of a neat sketch.
Explain the functioning of all the pins in minimum mode.
4. Explain the block diagram of 8255 programmable peripheral interface. Explain
the procedure to interface a ADC converter to 8086 MP using 8255 PPI.
5. a) What is an interrupt vector table. [ 3 ]
b) Write a short notes on serial data communication. [ 3 ]
c) Explain the architecture of 8251 USART with the help of a neat sketch.
[ 4 ]
6. a) Explain the architecture of 8051 micro controller with help of a neat
sketch. [ 5 ]
b) Explain the operation of ports of 8051. [ 5 ]
7. a) What are the various modes of timer / counter operations of 8051 MC. [ 5 ]
b) Write an assembly language program to find sum of first ten natural
numbers in 8051 MC. [ 5 ]
8. a) Explain about the interrupts of 8051 MC with registers. [ 5 ]
b) Explain the procedure to interface a DC motor using 8051 MC. [ 5 ]
-- 00 -- 00 --
Page 2 of 2](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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6- ุชุญุชูู ุงูู
ูุฒู
ุฉ ูู ุงูู ุณูุงูุฏ ุนูู ุฎุงุฑุทุฉ ุชุชุถู
ู ุฌู
ูุน ุชูุฑูุนุงุช ู
ุนููู
ุงุช ุงูุฌูุงุฒ ุงูููููู ุงูู
ุฐููุฑุฉ ูู ูุฐูู ุงูู
ูุฒู
ุฉ
ูุงุฎูุฑุงู ูุฐูู ุงูู
ูุฒู
ุฉ ุญูุงูู ุนูููู
ูุฅุชู
ูู ู
ููู
ุฅู ุชุฏุนููู ุจุงูุฎูุฑ ูุงูุตุญุฉ ูุงูุนุงููุฉ ููุท
ูู ุงูุชูููู ุฒู
ูุงุฆู ูุฒู
ููุงุชู ุ ุฒู
ูููู
ู
ุญู
ุฏ ุงูุฐูุจู ๐๐
๐ฅ๐ฅ๐ฅ๐ฅ๐ฅ๐ฅ๐ฅ๐ฅ๐ฅ
Philippine Edukasyong Pantahanan at Pangkabuhayan (EPP) Curriculum
(๐๐๐ ๐๐๐) (๐๐๐ฌ๐ฌ๐จ๐ง ๐)-๐๐ซ๐๐ฅ๐ข๐ฆ๐ฌ
๐๐ข๐ฌ๐๐ฎ๐ฌ๐ฌ ๐ญ๐ก๐ ๐๐๐ ๐๐ฎ๐ซ๐ซ๐ข๐๐ฎ๐ฅ๐ฎ๐ฆ ๐ข๐ง ๐ญ๐ก๐ ๐๐ก๐ข๐ฅ๐ข๐ฉ๐ฉ๐ข๐ง๐๐ฌ:
- Understand the goals and objectives of the Edukasyong Pantahanan at Pangkabuhayan (EPP) curriculum, recognizing its importance in fostering practical life skills and values among students. Students will also be able to identify the key components and subjects covered, such as agriculture, home economics, industrial arts, and information and communication technology.
๐๐ฑ๐ฉ๐ฅ๐๐ข๐ง ๐ญ๐ก๐ ๐๐๐ญ๐ฎ๐ซ๐ ๐๐ง๐ ๐๐๐จ๐ฉ๐ ๐จ๐ ๐๐ง ๐๐ง๐ญ๐ซ๐๐ฉ๐ซ๐๐ง๐๐ฎ๐ซ:
-Define entrepreneurship, distinguishing it from general business activities by emphasizing its focus on innovation, risk-taking, and value creation. Students will describe the characteristics and traits of successful entrepreneurs, including their roles and responsibilities, and discuss the broader economic and social impacts of entrepreneurial activities on both local and global scales.
CHUYรN ฤแป รN TแบฌP Vร PHรT TRIแปN CรU HแปI TRONG ฤแป MINH HแปA THI TแปT NGHIแปP THPT ...
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