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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 is process synchronization?

Answer

A situation, where several processes access and manipulate the same data concurrently and the outcome of the execution depends on the particular order in which the access takes place, is called race condition. To guard against the race condition we need to ensure that only one process at a time can be manipulating the same data. The technique we use for this is called process synchronization.

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Subject: Operating Systems

1 1815
Q:

Have you used Threads in Servelet?

Answer

Yes, single thread module

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Subject: Hardware

0 1815
Q:

What is relative path and absolute path?

Answer

Absolute path-- Exact path from root directory.

Relative path-- Relative to the current path.

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Subject: Operating Systems

1 1814
Q:

What are the major flags in 8086?

Answer

In 8086 Carry flag, Parity flag, Ausiliary caarry flag, Zero flag, Overflow flag, Trace flag, Interrupt flag, Direction flag, and Sign flag.

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Subject: Hardware

0 1814
Q:

What are types of threads?

Answer

User thread


Kernel thread

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Subject: Operating Systems

1 1812
Q:

Differ between static and dynamic RAM?

Answer

Static RAM: no refreshing, 6 to 8 MOS transistors are required to form one memory cell, information stored as voltage level in flip flop. 


Dynamic RAM: refreshed periodically, 3 to 4 transistors are required to form one memory cell, information is  stored as a charge in the gate to substrate capacitance.

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Subject: Hardware

1 1812
Q:

C program to find the factorial of a given number

Answer

 #include<stdio.h>
int main(){
  int i=1,f=1,num;

  printf("Enter a number: ");
  scanf("%d",&num);

  while(i<=num){
      f=f*i;
      i++;
  }

  printf("Factorial of %d is: %d",num,f);
  return 0;
}

Sample output:
Enter a number: 5
Factorial of 5 is: 120

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Subject: Programming

0 1811
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 1808