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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:

 When an entity instance may be a member of multiple subtypes or it does not have to be a member of a subtype, it is which of the following?

A) Disjoint with total specialization B) Disjoint with partial specialization
C) Overlap with total specialization D) Overlap with partial specialization
 
Answer & Explanation Answer: C) Overlap with total specialization

Explanation:
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Filed Under: Database

2 4851
Q:

Which among the following is a system call used for process management

A) fork() B) exec()
C) getppid() D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:

All the above listed are the System calls for process management

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Filed Under: Operating Systems
Exam Prep: GATE
Job Role: Software Architect

0 4844
Q:

Which memory management technique involves dividing the memory into fixed sized blocks ?

A) Paging B) Scaling
C) Whiping D) Tracking
 
Answer & Explanation Answer: A) Paging

Explanation:

Paging is a memory management technique in which process address space is broken into blocks of the same size called pages.

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Filed Under: Operating Systems
Exam Prep: Bank Exams , CAT
Job Role: Bank Clerk

2 4843
Q:

Can I increase the size of a dynamically allocated array? < Yes / No> if yes, how?

Answer

Yes, using the realloc() function as shown below:


main()


{


        int *p;


        p = ( int *) malloc (20) ;


        t = p;


        t = (int *) realloc ( p, 40);


        if ( t == NULL )


        Printf (" Cannot reallocate, leaves previous allocated region unchanged ");


       else


       {


              if ( p ==t )


              ;  / * the array expanded at the same region */


             else


            { 


                 free ( p ); / * deallocate the original array */


                 p = t;  /* set p to newly allocated region */


             }


      }


}  

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Subject: Programming

1 4842
Q:

Why address bus in unidirectional and data bus is bidirectional?

Answer

Because there is no need address traansaction between processor and peripheral device but data bus is needed because data has to be read and write

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Subject: Hardware

3 4842
Q:

getppid() system call is used to bias the existing priority of a process 

A) TRUE B) FALSE
Answer & Explanation Answer: B) FALSE

Explanation:

It is used to get parent process identifier

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Subject: Operating Systems
Exam Prep: GATE

1 4818
Q:

Difference between bit rate and baud rate.?

Answer

Bit rate is the number of bits transmitted during one second whereas baud rate refers to the number of signal units per second that are required to represent those bits.


baud rate = bit rate / N


where N is no-of-bits represented by each signal shift.

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Subject: Networking
Job Role: Network Engineer

0 4809
Q:

 The process of reading a database schema and producing a data model from that schema is known as:

A) data modeling. B) database design.
C) reverse engineering. D) None of the above is correct.
 
Answer & Explanation Answer: C) reverse engineering.

Explanation:
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Filed Under: Database

1 4795