B.Tech-B.Tech Electronics and Communications Engineering 6th Sem 6EC2 Microprocessor and Microcontroller 6E3086(Rajasthan Technical University-2011)
6E3086
B.Tech. VI Semester (Main/Back) Examination, May/June - 2011
Electronics & Communication
6EC2 Microprocessor and Microcontroller
Time: 3 Hours
Maximum Marks: 80
Min. Passing Marks: 24
Unit - I
Q.1. a) Which are the different type of buses used in Microprocessor? Explain briefly. [10]
b) Compare static RAM with Dynamic RAM. [6]
OR
Q.1. Write a notes on:- [16]
a) Buffer
b) Latches
c) Memory
d) Encoders
Unit - II
Q.2. a) Explain in detail the architeclure of 8085 Microprocessor. [8]
b) Explain in detail RIse and elSe architectures. [8]
OR
Q.2. a) Explain Hardware and Software interrupts supported by 8085. [10]
b) Explain Memory Mapped I/O Interfacing Technique. [6]
Unit - III
Q.3. Explain the classification of the instmction set of8085 Microprocessor with suitable examples. [16]
OR
Q.3. What are the addressing modes available in 8085 Microprocessor? Explain with suitable example. [16]
Unit - IV
Q.4. a) Draw the functional pin diagram of 8279 and explain the function of different pms. [10]
b) Explain matrix key board interface in 8279. [6]
OR
Q.4. a) Explain the architecture, organization and various modes of operation of a programmable DMA controller 8257. [10]
b) What is the difference between AID and D/ A convertors? [6]
Unit-V
Q.5. a) What is difference between Microprocessor and Microcontroller. [8]
b) Draw and Explain block diagram of 8051. [8]
OR
Q.5. a) Explain the addressing modes of 8051 with suitable example. [10]
b) Draw and Explain connection between RS - 2326 and 8051. [6]
| Earning: ₹ 5.00/- |
