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Technical Questions

Why Technical Knowledge?

In today's employment world, Information Technology plays major role. Technical knowledge along with Aptitude & Reasoning has become the doorway to software companies. When IT is extensively developing day to day, one should definitely acquire technical knowledge aiming to see career growth in software industry.


What in Technical Knowledge?

Programming Languages - to develop front end applications.

Database - to develop and maintain back end/ database applications.

Networking - understanding devices connected in network to communicate with each other as well as other networks.

Hardware - understanding processors, memory storage devices, Input & Output devices and more.

Operating System - to communicate between the software and Hardware in a computer.

Software Testing - the process of evaluating a system with the intend to satisfy specified requirements.


How to prepare for Technical Interviews?

One should be curious to knowledge updates; Software world is that place where you should keep updating with new market technology trends. Get some basic knowledge about all technical concepts as the logic remains same with any language and one can get the ease of working with any language in your company. Thoroughly get updates from your friends, IT magazines, Internet, News, etc. one can get knowledge from real time people through blogs.

Popular Latest Rated
Q:

What's the difference between L1 and L2 cache?

Answer

Level 1 cache is internal to the chip, Level 2 is external.

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Subject: Hardware

0 1991
Q:

What are deadlock prevention techniques?

Answer

Mutual exclusion


Hold and wait


No preemption


Circular wait

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Subject: Operating Systems

0 1990
Q:

What is a job queue?

Answer

When a process enters the system it is placed in the job queue.

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Subject: Operating Systems

0 1988
Q:

Write a c program to copy a data of file to other file.

Answer

#include<stdio.h>
int main(){
  FILE *p,*q;
  char file1[20],file2[20];
  char ch;
  printf("\nEnter the source file name to be copied:");
  gets(file1);
  p=fopen(file1,"r");
  if(p==NULL){
      printf("cannot open %s",file1);
      exit(0);
  }
  printf("\nEnter the destination file name:");
  gets(file2);
  q=fopen(file2,"w");
  if(q==NULL){
      printf("cannot open %s",file2);
      exit(0);
  }
  while((ch=getc(p))!=EOF)
      putc(ch,q);
  printf("\nCOMPLETED");
  fclose(p);
  fclose(q);
 return 0;
}

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Subject: Programming

0 1984
Q:

What are * and? when using them for wildcards in windows?

Answer

* - any characters, aribitary among


? - single character

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Subject: Hardware

0 1982
Q:

What is Stack Pointer?

Answer

Stack pointer is a special purpose 16-bit register in the Microprocessor, which holds the address od the top of the stack.

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Subject: Hardware

0 1978
Q:

Have you used Threads in Servelet?

Answer

Yes, single thread module

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Subject: Hardware

0 1974
Q:

What will be output of following c code?

#include <stdio.h>
int main()

{
    int i;
    for(i=10;i<=15;i++){
         while(i){
             do{
                 printf("%d ",1);
                 if(i>1)
                      continue;
             }while(0);
             break;
         }
    }
    return 0;
}

Answer

Output: 1 1 1 1 1 1
For loop will execute six times.


 


 


 


Note: continue keyword in do-while loop bring the program its while condition (while(0)) which is always false.

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Subject: Programming

0 1972