Thursday, December 10, 2015

ELECTRONICS AND COMPUTER ENGINEERING: Kannur University B.Tech I&II BASIC E 2012 Question paper

Are you searching Kannur University Question Papers? Here You can find BASIC ELECTRONICS AND COMPUTER ENGINEERING Question Paper

Max. Marks :100

Reg. No.:

Name:

Time : 3 Hours

lnstruction :Answer atthe questions;.

lfl. 7)

Combined I and ll Semester B.Tech. (lncluding Part Time) Degree

(Reg./Sup./lmp.) Examination, Apria 2012

(2007 Admn. onwards)

PT2K6|2K6 EN 109 : BASIC ELECTRONICS AND COMPUTER

ENGINEERING

PART - A

l. 1 ) Explain the working of zener diode working as voltage regulator.

2) Give the internal architectural bock diagram of 8085 microprocessor.

3) With a neat block diagram briefly explain superheterodyne receivers.

4) Explain the basic principfe of cellular communication.

ll. 5) a) Explain common emitter characteristic ofa transistor with characteristic

graphs.

b) Sketch and explain the block diagram and working of CRO.

a) Explain the working principle of LCD giving its potential applications.

b) Write the current equation of a p-n junction and explain the V.l. characteristic.

What is the effect of temperature on cut-in voltage and reverse saturation

current ?

a) Explain frequency modulation and derive an expression for the same. Also

give its modulation index.

b) Explain microwave communication with a simplified block diagram.

a) What are Yagi antennas.

b) What is the concept of geostationary satellites.

PART- B

1) List the characteristics ofcomputers.

2) What are network adapters ?

3) What is debugging in computer language.

4) Give a short note on search engines.

5) a) What are the types of memory available in computer ? Explain each type.

b) Explain different types of motherboards.

a) What is direct memory access ?

b) Brief out the common problems encountered in motherboards.

a) Write a program to swap two numbers without using temporary register.

b) Explain in detaif the web servers and its applications.

a) what is computer network topology ?Brief out its types.

b) What are the techniques tobe employed in making aprogram efficient ?

Duraimani

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