4*4 Mltiplication
-By passing partial product
-Reduce power consumption
-To achieve high speed
- Minimizes production heat
....etc

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Objective
Program in “LEX” to count the verb in a given line of text.

%{
%}
%%
isI
areI
amI printf(%s is verb,yytext );
+ {printf(%s is not a verb,yytext);}
.I\n {ECHO;}
%%
main()
{
yylex();
}
....etc

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Objective
Program in “LEX” to count number of Characters, Words, Lines.

%{
int nchar=0,nword=0,nline=0;
#include
%}
%%
\n {nline++;nchar++;}
+ {nword++;nchar+=yyleng;}
. {nchar++;}
%%
int main()
{
yylex();
printf(%d%d%d,nchar,nword,nline);
}
....etc

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Objective
Program in “LEX” to count number of vowels and consonants .

%{
int count1=0;
int count2=0;
%}
%%
aIeIiIoIu {printf(%s is vowel,yytext);count1++;}
{printf(%s is constonant,yytext);count2++;}
.I\n {ECHO;}
%%
main()
{
yylex();
printf(%d Vowel =%d constonant=,count1,count2);
}
....etc

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Objective
Program in “LEX” to count number of Identifiers and Keywords.

digit
letter
%{
int count1=0;
int count2=0;
%}
%%
intI
floatI
char {count++;printf(%s is keyword,yytext);}
{letter}I({letter}I{digit})*{count2++;}
+ {printf(%s is not keyword,yytext);}
.I\n {ECHO;}
%%
main()
{
yylex();
printf(%d no of keyword %d no of id,count1,count2);
}
....etc

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Objective
Program to count the number of identifiers in a c file
Program:

%{
#include
int id=0, i;
%}
%%
int ||
float ||
double ||
char ||
bool {
i = 0;
while (yytext != ';')
{
if(yytext == ',')
id++;
i++;
}
....etc

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lex program to recognise and count number of identifiers in a given file ? ....etc

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Low-Power Multiplier Design with Row and Column Bypassing


INTRODUCTION
Multiplication is an essential arithmetic operation in
DSP applications. For the multiplication of two unsigned
n-bit numbers, the multiplicand A = an-1 an-2, . . . , a0 and
the multiplier B = bn-1 bn-2, . . . , b0, the product P = P2n-
1P2n-2, . . . , P0, can be represented as the following
equation:


LOW-POWER MULTIPLIER WITH ROW OR
COLUMN BYPASSING
For a low-power r ....etc

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Grayscale Image Retrieval using DCT on Row mean,
Column mean and Combination



Abstract

Today in the age of information explosion, how to search appropriate data from huge information
pool has become vital issue. Images have giant share in this information pool. Because of easy
availability of imaging devices, millions of images are being added to image pool every day. Image
retrieval deals with searching relevant images from large image database. The paper presents novel
image retrieval techniques bas ....etc

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Digital frequency meter using DMA Terminal Count stop method
Abstract-
This paper presents a new wide-range speed
measurement method, using the direct memory access
(DMA) terminal count register(TCR). The DMA
method is based on both pulse counting in the constant
sampling time at terminal count stop pin of a DMA
controller. The hardware configuration and algorithms
for a microcontroller implementation are also
presented. The proposed method is suitable in systems
using microcontrollers with DMA controller and
timers. Li ....etc

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