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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:

Which Stack is used in 8086?

Answer

FIFO (First In First Out) stack is used in 8086. In this type of Stack the First Stored Information is retrieved first.

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Subject: Hardware

0 4304
Q:

Give examples for 8/16/32 bit Microprocessor?

Answer

8-bit processor - 8085/Z80/6800;


16-bit processor - 8086/68000/Z8000;


32-bit processor - 80386/80486

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Subject: Hardware

2 4291
Q:

Which command displays the present workig directory in UNIX?

A) $who B) $pwd
C) $who are you D) None
 
Answer & Explanation Answer: B) $pwd

Explanation:

$pwd - present working directory

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Filed Under: Operating Systems

0 4277
Q:

What is a Safe State and what is its use in deadlock avoidance?

Answer

When a process requests an available resource, system must decide if immediate allocation leaves the system in a safe state. System is in safe state if there exists a safe sequence of all processes. Deadlock Avoidance : ensure that a system will never enter an unsafe state.

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Subject: Operating Systems

0 4261
Q:

 Which JDBC driver Type(s) is(are) the JDBC-ODBC bridge?

A) Type 1 B) Type 2
C) Type 3 D) Type 4
 
Answer & Explanation Answer: A) Type 1

Explanation:
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Filed Under: Database

0 4204
Q:

Write a c program to find out sum of diagonal element of a matrix.

Answer

#include<stdio.h>

int main(){

  int a[10][10],i,j,sum=0,m,n;

  printf("\nEnter the row and column of matrix: ");
  scanf("%d %d",&m,&n);

  printf("\nEnter the elements of matrix: ");
  for(i=0;i<m;i++)
      for(j=0;j<n;j++)
           scanf("%d",&a[i][j]);
  printf("\nThe matrix is\n");

  for(i=0;i<m;i++){
      printf("\n");
      for(j=0;j<m;j++){
      printf("%d\t",a[i][j]);
      }
 }
 for(i=0;i<m;i++){
     for(j=0;j<n;j++){
          if(i==j)
              sum=sum+a[i][j];
     }
 }
 printf("\n\nSum of the diagonal elements of a matrix is: %d",sum);

 return 0;
}

Sample output:

Enter the row and column of matrix: 3 3
Enter the elements of matrix:
2
3
5
6
7
9
2
6
7
The matrix is
2       3       5
6       7       9
2       6       7
Sum of the diagonal elements of a matrix is: 16

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Subject: Programming

1 4171
Q:

What are the four layers that Windows NT have in order to achieve independence?

Answer

1.Hardware abstraction layer


2.Kernel


3.Subsystems


4.System Services.

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Subject: Operating Systems

2 4166
Q:

An Oracle System Change Number (SCN):

A) is a value that is incremented whenever a dirty read occurs. B) is incremented whenever a deadlock occurs.
C) is a value that keeps track of explicit locks. D) is a value that is incremented whenever database changes are made.
 
Answer & Explanation Answer: D) is a value that is incremented whenever database changes are made.

Explanation:
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Filed Under: Database

0 4149