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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:

Define latency, transfer and seek time with respect to disk I/O.

Answer

Seek time is the time required to move the disk arm to the required track. Rotational delay or latency is the time it takes for the beginning of the required sector to reach the head. Sum of seek time (if any) and latency is the access time. Time taken to actually transfer a span of data is transfer time.

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Subject: Operating Systems

14 14788
Q:

Which of the following is not true about cloud computing?

which_of_the_following_is_not_true_about_cloud_computing1539240737.jpg image

A) Cloud-based management platforms cannot support internally hosted server platforms B) Cloud-based management platforms can support multiple cloud-virtual server vendors
C) Cloud-based management platforms can support multiple cloud-virtual server operating systems D) Cloud-based management platforms can support change management methodologies
 
Answer & Explanation Answer: A) Cloud-based management platforms cannot support internally hosted server platforms

Explanation:
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Filed Under: Database
Job Role: IT Trainer , Database Administration , Analyst

6 14712
Q:

The output of the code below is

       #include <stdio.h>
        void main()
        {
            int i = 0, k;
            if ( i == 0 )
                goto label;
                for ( k = 0;k < 3; k++ )
                {
                    printf( "hin" );
                    label: k = printf( "%03d", i );
                }
         }

A) 0 B) hi hi hi 0 0 0
C) 0 hi hi hi 0 0 0 D) 0 0 0
 
Answer & Explanation Answer: A) 0

Explanation:
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Filed Under: Programming

1 14612
Q:

void main()

{

char good *better, *best;

printf( "%d..%d", sizeof(better), sizeof(best) );

}

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

Explanation:

The second pointer is of char type and not a good pointer.

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Filed Under: Programming

4 14546
Q:

What will be output when you will execute following c code?

#include <stdio.h>
void main()

{
     switch(2)

      {
            case 1L:printf("No");
            case 2L:printf("%s","I");
              goto Love;
            case 3L:printf("Please");
            case 4L:Love:printf("Hi");
     }
}

A) I B) IPleaseHi
C) IHi D) Compilation error
 
Answer & Explanation Answer: C) IHi

Explanation:

It is possible to write label of goto statement in the case of switch case statement.

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Filed Under: Programming

3 14523
Q:

What would be the output of the following program ?

main() 

{

       unsigned  int a = oxffff;

        ~a;

        printf ("%x", a);

}

A) ffff B) 0000
C) 00ff D) None of the above
 
Answer & Explanation Answer: A) ffff

Explanation:
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Filed Under: Programming

0 14326
Q:

What is page cannibalizing?

Answer

Page swapping or page replacements are called page cannibalizing.

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Subject: Operating Systems

22 14156
Q:

What is the output of this C code?

        #include <stdio.h>
        void main()
        {
            int x = 97;
            char y = x;
            printf("%cn", y);
        }

A) a B) 97
C) Run time error D) None
 
Answer & Explanation Answer: A) a

Explanation:
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Filed Under: Programming

1 13909