ELLIPSE GENERATING ALGORITHM
EX.NO:3(a)
DATE:

AIM:
To write a C program to draw an ellipse using the mid point ellipse algorithm.

ALGORITHM:

1. Get the radius (rx,ry) and the center of the ellipse (xc,yc).
2. Obtain the first point on the ellipse centered on the origin as (x0,y0)=(0,ry)
3. Calculate the initial value of the decision parameter in region 1 as p10=ry2-rx2ry+rx2/4
4. At each xk position in region 1,starting at k=0,perform the following test:
a. If p1k<0,the next point along the ellipse centere ....etc

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Objective
Program in “C/Lex” to check whether Identifier is valid or not
#include
#include
void main()
{
clrscr();
int i=0,j=0,flag=1;
char ch,ip;
while((ch=getchar())!='\n')
{
ip=ch;
i++;
}
ip='*';
if((ip>='a'&&ip<='z')||(ip>='A'&&ip<='Z'))
{
j++;
while(ip!='*')
{
if((ip>='a'&&ip<='z')||(ip>='A'&&ip<='Z')||(ip>='0'&&ip<='9')||ip=='_')
{
j++;
}
else
{
flag=0;
goto loop;
}
}
}
else
flag=0;
lo ....etc

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#includestdio.h
#include
#define max 10
#define MAX 15
char array,temp;
int c,n,t;void fun(int,int);
int fun2(int i,int j,int p,int key)
{
int k;
if(!key)
{
for(k=0;k if(array==array)
break;
p=i;p=j+1;
fun(k,p);
return 0;
}
else
{
for(k=0;k<=c;k++)
{
if(array==temp)
break;
}
if(k>c)return 1;
else return 0;
}
}
void fun(int i,int p)
{
int j,k,key;
for(j=2;array!='\0';j++)
{
if(array=='/')
{
if(array> ....etc

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FAILURE ANALYSIS OF SHELL AND TUBE HEAT EXCHANGER
PROJECT REPORT
Submitted by
ALEX BABY ARUN M V JAIN RAJ .V VIJEESH VIJAYAN
ABSTRACT
Tar column recoiled E4509 in the phenol plant of HOCL found failed in service un like any other exchanger s in phenol manufacturing process .Each failure very high cost to HOCL in terms of production loss due to down time for maintence and due to the loss of therminol liquid to the process .the loss due to each failure found to be nearly RS 1.5 chore >the cost of tube bundle in SS-316 is ....etc

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ABSTRACT
In recent years, digital computer is becoming most appropriate tool to solve any engineering problem. In last two decades number of programs have been developed for computers in solving power system problems. Many of these programs deal with system load flow, short circuit currents, stability, and for control of power systems. The higher percentage of proper utility of computers in distribution systems saves engineering time and investment.
All the time the distribution engineer encounters th ....etc

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CHAPTER 1
INTRODUCTION
1.1 INTRODUCTION:-
India is worldâ„¢s largest democracy. It is perceived to be charismatic one as it accommodates cultural, regional, economical, social disparities and still is able to stand on its own. Fundamental right to vote or simply voting in elections forms the basis of Indian democracy.
In India all earlier elections be it state elections or centre elections a voter used to cast his/her vote to his/her favorite candidate by putting the stamp against his/her name and then foldi ....etc

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‘C’ Language Aptitude Test Paper




Note : All the programs are tested under Turbo C/C++ compilers.
It is assumed that,
 Programs run under DOS environment,
 The underlying machine is an x86 system,
 Program is compiled using Turbo C/C++ compiler.
The program output may depend on the information based on this assumptions (for example
sizeof(int) == 2 may be assumed).
Predict the output or error(s) for the following:
1. void main()
{
int const * p=5;
printf(%d,++(*p));
}
Answer:Compiler ....etc

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Presented by:
Shabaaz N Syed
Vedprakash Anad


SAFETY ALGORITHM
Theory:
The safety algorithm is run by the operating system whenever a process requests resources. The algorithm avoids deadlock by denying or postponing the request if it determines that accepting the request could put the system in an unsafe state (one where deadlock could occur). When a new process enters a system, it must declare the maximum number of instances of each resource type that may not exceed the total number of resou ....etc

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The concept of smart home is an emerging issue to the modern technology dependent society.Controlling household appliances through computer can be a possible solution. But it cannot fulfil the current demand which is to control home appliances from remote places.GSM-SMS technology can be used to control household appliances from remote places.Here a system of the PC remote Controlling with the Mobile Telephone through
accessing the main PC ports:the serial and parallel ports.Serial
port is used for transferring data from Mobile phone to PC ....etc

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STUDENT MANAGEMENT SYSTEM
PROJECT REPORT
Submitted by
FALCON FRANCIS MANJU V RAVINDRAN
RANJITH KIRAN K VINU K THANKACHAN
ABSTRACT
Student Management System deals with all kind of student details, academic related reports, college details, course details, curriculum, batch details and other resource related details too. It tracks all the details of a student from the day one to the end of his course which can be used for all reporting purpose, tracking of attendance, progress in the course, completed semesters years, ....etc

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