radha gogia
@radha-BTDzli Member
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Posted #Threads
what is error in below code ?
#include <stdio.h> #include<malloc.h> struct node { int data ; struct node *next,*prev; }; int main() { int n ,m,a,count=0,i,j; char rot; scanf("%d",&n); fflush(std...
5 replies -
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Desktop application in java for format conversion of all basic type of files.
I am writing a desktop application in java which is for format conversion of all basic type of files. For e.g. word to pdf, pdf to...
1 reply -
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Why do we get a segmentation fault while performing any operation on an uninitialized pointer ?
[HASHTAG]#include[/HASHTAG]<stdlib.h> [HASHTAG]#include[/HASHTAG]<string.h> int main(void) { char *p ; strcat(p, "abc"); printf("\n %s \n", p); return 0; } If I print this the val...
1 reply -
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How to construct PDA for the given language?
I am facing problem while constructing PDA for the language where we have no of a's =twice no of b's . I am not getting here...
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Who compiles the compiler ?
I have one doubt regarding when a compiler is used for compiling the program code written in some particular programming language then it must be also...
3 replies -
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what does a token actually represent?
Please explain the below paragraph "Typically with a lexer/parser a token is a structure that holds not only the name of the token, but the characters/symbols...
2 replies -
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How does the white-spaces affect the size of the two notepad files
Consider two files ,one has very less spaces between the text written on it,while one which has a lot of spaces between the text ,so how...
2 replies -
Posted #Threads
Variation in the working of the comma operator in the below codes
Consider the following code snippets Case1: int main() { int a; a=printf("hello"),printf("joke"); printf("%d",a); return 0; } Case2: int main() { int a; a=(pr...
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Posted #Threads
How does the comma acts here as an operator or as a separator?
plz explain the working of below code ,here why both the printf functions are getting executed when comma is here acting like an operator and not...
4 replies -
Posted #Threads
Working of printf statement in C
I am just confused with the working of the printf statement that which one evaluate first because I have studied that comma separating the arguments acts...
5 replies -
Posted #Threads
Working of switch construct in c programming
In a switch construct ,why does the compiler doesn't show any error and skips the statements written within the cases like for example I write printf("hello");...
3 replies -
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what is the logical proof of the below formula for relation?
If I have three relations R1.R2,R3 ,then If I write the formula as 1. (R1^R2)R3 contained in (R1 R3 ^ R2^R3) 2. (R1 UNION R2) R3=R1...
1 reply -
Posted #Threads
How does the compiler in c stores the const variables in ROM
I am just unable to understand that when ROM is only read only memory ,then how is the compiler able to store the variables with const...
1 reply -
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How to perform XOR operation on two graphs?
I am just unable to find out how to perform XOR operation on two graphs ,do I have to do XOR operation on the vertices or...
4 replies -
Posted #Threads
Effect of one control specification on another in printf statement.
CASE A : #include<stdio.h> #include<conio.h> int main() { int y = (8,9); printf("%d ,%f , %lf", 8.76, 8.987654); getch(); return 0; }CASE B: #include<stdio.h> #include<...
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Posted #Threads
Is there a unique compiler for C with UNIX as an operating system?
If the UNIX, when is allowed to run on another machine then it needs c compiler for it ,so when we install the compiler for it...
1 reply -
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What is the effect of primitive data types on the nature of programming languages?
why the languages which are having primitive data types in them are considered to be not purely object oriented ,why is said that any language which...
1 reply -
Posted #Threads
What is the reason for the logical equivalence between the predicates?
Just little confusion in the logical equivalence of the 2 below logical expressions: 1. (p->r) AND(q->r)= (p OR q)->r 2. (p->r) OR (q->r)=(p AND q)->r In...
2 replies -
Posted #Threads
Abstract data type
I just have little confusions regarding the term abstract data type,although I have gone through google several times ,but still not yet satisfied . Firstly ,...
9 replies -
Posted #Threads
Comparison of algorithms
I just wanted to ask that why are the algorithms not being compared on the basis of number of statements they have ,why only input size...
5 replies -
Posted #Threads
Scheduling algo in OS
I just wanted to ask that on a particular OS ,is the implementation of a scheduling algorithm unique,lets say I am implementing round-robin in my OS...
2 replies -
Posted #Threads
Thread scheduling in java
I just want to ask that if the scheduling algorithm by JRE is priority scheduling since the threads are executed on the basis of their priority...
1 reply -
Posted #Threads
Deadlock inside a system
Does the existence of only one condition which is CIRCULAR WAIT ,neccesarily implies that there exists deadlock within a system?
2 replies -
Posted #Threads
time complexity of given algorithm
I am just uanble to compute the complexity of this algorithm,please help me out.
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cut-set of a graph
I just had one confusion regarding cut-set that the definition of cut-set says that it is the minimal set of edges whose removal from a graph...
2 replies -
Posted #Threads
Linked list operation time
Please help me out with the following question,I am unable to actually make out the right option,I am able to make out only the correct option...
2 replies -
Posted #Threads
Line by line parsing of the statements written in an editor of an IDE
I just wanted to ask that during our typing on the editor of any IDE ,we are always prompted for errors whenever we try to make...
2 replies -
Posted #Threads
Choose Better Performance
Which of these lines of code will give better performance? 1. a | 4 + c >> b & 7; 2. (a | ((( 4 +...
1 reply -
Posted #Threads
Integer.toString(int) method VERSUS StringValueOf(int) in Java
why do we have two implementations in java for converting the integer value into string,what is the logic behind?
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Posted #Threads
Return statement in a constructor
why is non-parametrized return statement allowed in a constructor call when actually the constructor never returns anything,not even void. what is the difference between the return...
7 replies -
Posted #Threads
Problem in internet explorer 7 (Computax)
I have an income tax software named computax ,and it is actually attached with a particular browser Internet explorer ,it can work with google chrome also,but...
1 reply -
Posted #Threads
seeting background image or color in JFrame in swing
public class JavaApplication12 extends JFrame { public void go() { JFrame frame=new JFrame(); JButton wel=new JButton("WELCOME TO NOTE-MAKING STORE");...
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Posted #Threads
How to extract audio from video in java
I actually want to extract one audio file from a video file and then convert that audio file into text in further stage after which that...
30 replies -
Posted #Threads
How to find out the location through IMEI id
I am making an android app and I want to get the values of latitude and longitude of a particular user depending on the IMEI unique...
4 replies -
Posted #Threads
Architectural utility of cache in optimising power consumption of mutiprocessor chip
Please give the major points (just highlight the points) describing the fact that the cache memory design reduces power consumption in multiprocessor chip systems.
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Posted #Threads
Query in below java code
String a= "/u0041"; String h=new String("A"); System.out.println(a==h); System.out.println(a.hashCode()==h.hashCode()); Please explain why the second print st...
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Posted #Threads
string pool in java
when we declare a string object in the form of String aa=new String("java") and String aa="java" ,then is that in both cases the string object is...
12 replies -
Posted #Threads
HCF and LCM problem
Please tell the approach of solving ques 18 and 19 ,I cant understand the logic out here.
2 replies -
Posted #Threads
Query in the output of below java code
public class qu11 { int fun(int num) {int count=0; while(num>0) { count++; num<<=1; } return count; } public static void main(Str...
2 replies -
Posted #Threads
Approach involved while solving below questions
First question.. ,ques no,in this question actually i am not able to understand the approach involved.. Second question.. ques 20 ,In this ques according to me...
4 replies -
Posted #Threads
Find maximum power of 3 in 24!
Please tell the approach of solving ques 25.
3 replies -
Posted #Threads
Object and instance in java
I just want to ask that if i have a class A,and i write 1. A sup; 2.A sup=new A(); Then just tell whether I am...
10 replies -
Posted #Threads
Topics for paper presentation
I just want a guideline as to what topic I should choose for my paper presentation,I am currently pursuing my 3 yr ,and please suggest topics...
1 reply -
Posted #Threads
polymorphism in java
I just have a little confusion that regarding polymorphism that is method overloading and overriding really a part of polymorphism becoz somewhere I get to know...
2 replies -
Posted #Threads
sensor operation
I just wanted to ask that can i operate a camera based sensor through a wifi signal ,but the problem is that the wifi signal is...
3 replies -
Posted #Threads
Runnable interface over Thread class
I just wanted to ask that is the runnable interface is implemented just so that the class can realise the concept of multiple inheritance ,because if...
2 replies -
Posted #Threads
execution of conditional operator
I just wanted to know how actually the expression which has many conditional operators in it is executed.. e.g System.out.println(8>2?7<3?6>3?5:3:9:1); I just wanted to know tha...
1 reply -
Posted #Threads
format specifiers in c
I just wanted to know the difference between %u and %#u .....
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Posted #Threads
Output of below code
What's the output? main() { printf("%d",scanf("%d%d",printf,scanf)); } I just wanted to ask that why how this code proceeds,I mean how actually we can supply printf and...
7 replies -
Posted #Threads
Representation of a decimal number
I just wanted to ask that if I have a 25 digit decimal number,so actually if i wanted to calculate the no .of bits to represent...
9 replies -
Posted #Threads
output of below expression
What is postfix equivalent of 3 * log(x+1) - a/2 ??? Actually i just made a tree and then did a post traversal of the tree,so...
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Posted #Threads
Initialization of a variable in for loop in c language
why the piece of code like for(int i=0;i<19;i++) { printf("hello"); } is an error,that is why in C,the variable can't be initialized within the for loop,while...
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Posted #Threads
c code output
#include<stdio.h> #include<conio.h> void main() { clrscr(); printf("\nab"); printf("\bsi"); printf("\rha"); getch(); } According to me the op should be "hai",but the output is abs...
2 replies -
Posted #Threads
problem in below code
In the two pics ,the first pic shows that when i declare 2 character variables, and i see the decompiler,it shows that internally jvm takes these...
1 reply -
Posted #Threads
type casting in java
why can't we assign typecast a boolean into an int ,when internally the representation of boolean is in the form of an int variable holding 0...
12 replies -
Posted #Threads
Android App For Location Tracking Within The Room
I want to make android app wherein i want to detect the location of some people confined in a particular room ,so i just wanted to...
5 replies -
Posted #Threads
query in below question
CPU burst distribution is generally characterized as a. constant b. linear c. polynomial d. exponential or hyper-exponential plz explain
3 replies -
Posted #Threads
Operating system architecure
what is the major difference in operating system of windows architecture and linux operatins system architecture and does'nt window has kernel??? I also wanted to know...
9 replies -
Posted #Threads
query regarding type of os
Which of the followings are equal things when there is only one CPU in a system. A)Multiprogramming and Multitasking B)Multiprocessing and Multiprogramming C)Multitasking and Multi...
2 replies -
Posted #Threads
discussion about memory
.what is the difference between the memory in the phone and the memory in the computer,i.e. if how is memory made in mobile phones and how...
9 replies
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