what is software cycle?
What is a mission critical system ?
What is the important aspect of a real-time system ?
Explain the difference between microkernel and macro kernel.
Give an example of microkernel.Why paging is used ?
Which is the best page replacement algo and Why ?
What is software life cycle ?
How much time is spent usually in each phases and why Which
one do U want to work if selected in Honeywell ?
Which are the different types of testing ?
What is a distributed system ?
Some questions about CSP.
Which languages do U know ?
What are the differences between Pascal and C.
questions from Compiler construction and Lisp.
Which are the different computer architecture?
What is the requirement in MIMD ?
What is the difference between RISC and CISC processors ?
Difference between loosely coupled and tightly coupled systems ?
What is an open system?
How to handle exception in c++,
For example in a functions i am assigning memory to some
variables and also in next instructions in am dividing one
variable also.
If this functions generates a error while allocating memory
to those variable and also while dividing the variable if i
divide by zero then catch block how it will identify that
this error has cone from perticular instruction
how can i access a direct (absolute, not the offset) memory
address?
here is what i tried:
wrote a program that ask's for an address from the user,
creates a FAR pointer to that adress and shows it. then the
user can increment/decrement the value in that address by
pressing p(inc+) and m(dec-).
NOW, i compiled that program and opened it twice (in 2
different windows) and gave twice the same address to it.
now look what happen - if i change the value in
one "window" of the program, it DOES NOT change in the
other! even if they point to the same address in the memory!
here is the code snippet:
//------------------------------------------------------
#include <stdio.h> //INCLUDE EVERY KNOWN HEADER FILE
#include <conio.h> //FOR ANY CASE...
#include <iostream.h>
#include <dos.h>
#include <process.h>
main()
{
int far *ptr; //FAR POINTER!!!
long address;
char key=0; //A KEY FROM THE KEYBOARD
int temp=0;
clrscr();
cout<<"Enter Address:";
cin>>hex>>address; //GETS THE ADDRESS
clrscr();
(long)ptr=address; temp=*ptr; //PUTS THE ADDRESS IN THE PTR
cout<<"["<<hex<<(unsigned long)ptr<<"]="<<*ptr<<" = "<<
(char)(*ptr);
//SHOWS: [address]=value=ASCII symbol.
while (key!=27) //WHILE YOU DONT PRESS ESC.
{
while(!kbhit()) //WHILE KEY IS NOT PRESSED
{
if (temp!=*ptr) { temp=*ptr; clrscr(); cout<<"["<<hex<<
(unsigned long)ptr<<"]="<<*ptr<<" = "<<(char)(*ptr); };
//IF THE VALUE HAS CHANGED, CLEAR THE SCREEN AND SHOW
//AGAIN
if (key=='p') {key=0; (*ptr)++; } //INCREMENT VALUE
if (key=='m') {key=0; (*ptr)--; } //DEC. VALUE
};
key=getch(); //IF A KEY IS PRESSED, READ IT FROM THE
//KEYBOARD
};
return 0; //IF ESC WAS THE KEY, EXIT THE PROGRAM
}
//---------------------------------------------------------
If P is the population on the first day of the year, B is
the birth rate, and D is the death rate, the estimated
population at the end of the year is given by the formula:
The population growth rate is given by the formula:
B – D
Write a program that prompts the user to enter the starting
population, birth and death rates, and n, the number of
years. The program should then calculate and print the
estimated population after n years. Your program must have
at least the following functions:
1. growthRate: This function takes its parameters the
birth and death rates, and it returns the population growth
rate.
2. estimatedPopulation: This function takes its
parameters the current population, population growth rate,
and n, the number of years. It returns the estimated
population after n years
Your program should not accept a negative birth rate,
negative death rate, or a population less than 2.
please answer my question ....
how can i access a direct (absolute, not the offset) memory
address?
here is what i tried:
wrote a program that ask's for an address from the user,
creates a FAR pointer to that adress and shows it. then the
user can increment/decrement the value in that address by
pressing p(inc+) and m(dec-).
NOW, i compiled that program and opened it twice (in 2
different windows) and gave twice the same address to it.
now look what happen - if i change the value in
one "window" of the program, it DOES NOT change in the
other! even if they point to the same address in the memory!
here is the code snippet:
//------------------------------------------------------
#include <stdio.h> //INCLUDE EVERY KNOWN HEADER FILE
#include <conio.h> //FOR ANY CASE...
#include <iostream.h>
#include <dos.h>
#include <process.h>
main()
{
int far *ptr; //FAR POINTER!!!
long address;
char key=0; //A KEY FROM THE KEYBOARD
int temp=0;
clrscr();
cout<<"Enter Address:";
cin>>hex>>address; //GETS THE ADDRESS
clrscr();
(long)ptr=address; temp=*ptr; //PUTS THE ADDRESS IN THE PTR
cout<<"["<<hex<<(unsigned long)ptr<<"]="<<*ptr<<" = "<<
(char)(*ptr);
//SHOWS: [address]=value=ASCII symbol.
while (key!=27) //WHILE YOU DONT PRESS ESC.
{
while(!kbhit()) //WHILE KEY IS NOT PRESSED
{
if (temp!=*ptr) { temp=*ptr; clrscr(); cout<<"["<<hex<<
(unsigned long)ptr<<"]="<<*ptr<<" = "<<(char)(*ptr); };
//IF THE VALUE HAS CHANGED, CLEAR THE SCREEN AND SHOW
//AGAIN
if (key=='p') {key=0; (*ptr)++; } //INCREMENT VALUE
if (key=='m') {key=0; (*ptr)--; } //DEC. VALUE
};
key=getch(); //IF A KEY IS PRESSED, READ IT FROM THE
//KEYBOARD
};
return 0; //IF ESC WAS THE KEY, EXIT THE PROGRAM
}
//---------------------------------------------------------
write asingle linked list which read from two list & the do
the following
1 sort the prime & nonprime num (prime should be less tn
nonprime)
2 each node has a prime num followd by nonprime
3 add a new node into its sutable plce
4 erase the most three duplicated non prime num
5 find the least duplicated prime num
Question In a class, there is a reference or pointer of an
object of
another class embedded, and the memory is either allocated
or assigned to the new object created for this class. In
the constructor, parameters are passed to initialize the
data members and the embedded object reference to get
inialized. What measures or design change should be advised
for proper destruction and avioding memory leaks, getting
pointers dangling for the embedded object memory
allocation? Please suggest.
Question Submitted By :: Sunil Kumar
I also faced this Question!! Rank Answer Posted By
Re: In a class, there is a reference or pointer of an
object of another class embedded, and the memory is either
allocated or assigned to the new object created for this
class. In the constructor, parameters are passed to
initialize the data members and the embedded object
reference to get inialized. What measures or design change
should be advised for proper destruction and avioding
memory leaks, getting pointers dangling for the embedded
object memory allocation? Please suggest.
Answer
# 1 use copy constructors
0 Shanthila
There is something to be taken care in destructor, in copy
constructor, suppose the memory is assigned to the embedded
member object pointer with the parameter passed value, but
if some other objects of different class also are pointing
to this memory, then if some one deletes the object then
this class member pointer object will become dangling, or
if the object is not deleted properly then there will be
memory leak. Please suggest the design change required to
handle or avoid this situation
112
Can java compiler skips any statement during compilation
time?
135
I want to write a C++ language program that:
1. Reads in the size of a square from the screen;
2. Prints a hollow square of that size out of “-“, “|” and
blanks on screen;
3. Prints the same hollow square onto a text file.
The program should work for squares of all side sizes
between 1 and 20.
7
i want to know how to copy arrary without using any method
or function. I have tried the below
using System;
class e4
{
static void Main(string[] args)
{
int a,b;
int[ ] m= new int[5];
int[ ] n= new int[5];
for(a=0;a<=4;a++)
{
Console.WriteLine("enter any value");
m[a]=Convert.ToInt32(Console.ReadLine());
m[a]=n[a];
}
for(b=0;b<=4;b++)
{
Console.WriteLine(n[b]);
}
}
}
but it will give wrong result can anyone solve this problem
Write a program using GUI concept for the scheduling
algorithms in Operating system like SJF,FCFS etc..
195
Why can't we have instance(stack) of a class as a member of
the same class like eg.Class A{A obj;} as we can have self
refential pointer
47
explain sub-type and sub class?
atleast u have differ it into 4 points?
26
help me i need a c++ program which takes sequesnce
of characters and outputed sequence of their token taypes,
work same compiler in lexical analysis phase
write a code for this:trailer recordId contains a value
other than 99, then the file must error with the
reason ‘Invalid RECORD_ID’(User Defined Exception).
115
1. Wrie a function which returns the most frequent number
in a list of integers. Handle the case of more than one
number which meets this criterion.
public static int[] GetFrequency(int[] list)
When is the last time you coded in C/C++? What is the most
lines of original C/C++ code you have personally written in
one project? How confident are you in your ability to write
C or C++ without a reference?
along with your userid / name. ThanQ
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