radha gogia

@radha-BTDzli Member

Member since: Joined Aug 2014
Last active: Active 10 years ago
Member number: Member #173,761

Posts: 68
Replies: 92
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Posted #Threads 10 years ago

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
Posted #Threads 10 years ago

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
Posted #Threads 11 years ago

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
Posted #Threads 11 years ago

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...
Posted #Threads 11 years ago

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
Posted #Threads 11 years ago

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
Posted #Threads 11 years ago

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 11 years ago

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...
Posted #Threads 11 years ago

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 11 years ago

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 11 years ago

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
Posted #Threads 11 years ago

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 11 years ago

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
Posted #Threads 11 years ago

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 11 years ago

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<...

1 reply
Posted #Threads 11 years ago

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
Posted #Threads 11 years ago

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 11 years ago

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 11 years ago

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 11 years ago

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 11 years ago

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 11 years ago

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 11 years ago

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 11 years ago

time complexity of given algorithm

I am just uanble to compute the complexity of this algorithm,please help me out.
Posted #Threads 11 years ago

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 11 years ago

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 11 years ago

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 11 years ago

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 11 years ago

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?
Posted #Threads 11 years ago

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 11 years ago

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 11 years ago

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");...
Posted #Threads 11 years ago

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 11 years ago

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 12 years ago

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.
Posted #Threads 12 years ago

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...
Posted #Threads 12 years ago

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 12 years ago

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 12 years ago

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 12 years ago

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 12 years ago

Find maximum power of 3 in 24!

Please tell the approach of solving ques 25.

3 replies
Posted #Threads 12 years ago

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 12 years ago

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 12 years ago

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 12 years ago

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 12 years ago

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 12 years ago

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 12 years ago

format specifiers in c

I just wanted to know the difference between %u and %#u .....
Posted #Threads 12 years ago

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 12 years ago

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 12 years ago

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...
Posted #Threads 12 years ago

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...
Posted #Threads 12 years ago

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 12 years ago

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 12 years ago

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 12 years ago

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 12 years ago

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 12 years ago

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 12 years ago

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 12 years ago

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
Posted #Threads 12 years ago

services in operating system

i have read the services of os but just wanted to know when a process runs,what are the services related to it,for instance when i open...
Posted #Threads 12 years ago

Abstract classes in java ,their implementation

i know that abstract classes cannot be instantiated but we say that then we create the sub-class object then first that will run the parent class...

2 replies
Posted #Threads 12 years ago

Why are processors 32/64 bit, and not 12, 48, 128 bit?

i just want to ask that why usually 32 bit processor or 64 bit processors are commonly available.what is the reason behind it.

11 replies
Posted #Threads 12 years ago

Virtual memory implementation

I just want to ask that when during os booting process only page files are made in the hard disk of the programs present,then if the...

4 replies
Posted #Threads 12 years ago

How does a program execute in RAM?

i just want to ask that who is responsible for bringing the programs from hard disk to RAM and after coming to RAM it becomes a...

2 replies
Posted #Threads 12 years ago

Quick Heal Total Security Cracked Version Help

i installed the quick heal total security cracked version ,but when i visited one site,the icon that comes in the toolbar below just dis-appeared,may i know...

1 reply
Posted #Threads 12 years ago

Working of virtual memory

i just have a doubt that on which disk drive is virtual memory is implemented. that is when proper space is not found on the RAM...

26 replies
Posted #Threads 12 years ago

Server processing the request , please explain

i just want to ask that we say usually that request in server is taken through thread so is it that the thread shares same address...

2 replies