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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 the output of this C code?

   #include <stdio.h>
    int main()
    {
        int a = 1, b = 1;
        switch (a)
        {
        case a*b:
            printf("yes ");
        case a-b:
            printf("non");
            break;
        }
    }

A) yes B) no
C) Compile time error D) yes no
 
Answer & Explanation Answer: C) Compile time error

Explanation:
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Filed Under: Programming

7 32423
Q:

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

#include <stdio.h>
void main()

{
    signed int a = -1;
    unsigned int b = -1u;
    if(a == b)
         printf( "The Lord of the Rings" );
    else
         printf( "American Beauty" );
}

A) The Lord of the Rings B) American Beauty
C) Compilation error: Cannot compare signed number with unsigned number D) Warning: Illegal operation
 
Answer & Explanation Answer: A) The Lord of the Rings

Explanation:
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Filed Under: Programming

12 30490
Q:

enum colors {BLACK,BLUE,GREEN}

main()

{

printf( "%d..%d..%d", BLACK, BLUE, GREEN );

return(1);

}

A) 1..2..3 B) 0..1..2
C) 1..1..1 D) 0..0..0
 
Answer & Explanation Answer: B) 0..1..2

Explanation:

enum assigns numbers starting from 0, if not explicitly defined.

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Filed Under: Programming

8 30269
Q:

What will be output of following program?


#include <stdio.h>
int main()

{
   void (*p)();
   int (*q)();
   int (*r)();
   p = clrscr;
   q = getch;
   r = puts;
  (*p)();
  (*r)("www.sawaal.com");
  (*q)();
  return 0;
}

A) NULL B) www.sawaal.com
C) Compilation error D) None of above
 
Answer & Explanation Answer: B) www.sawaal.com

Explanation:

p is pointer to function whose parameter is void and return type is also void. r and q is pointer to function whose parameter is void and return type is int . So they can hold the address of such function.

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Filed Under: Programming

3 29716
Q:

Which of the following is not a database object in MS Access?

A) Reports B) Relationships
C) Tables D) Queries
 
Answer & Explanation Answer: B) Relationships

Explanation:

Queries, reports and tables are all related to database and relationships are not the database object and it is related to functions in mathyematics.

 Which_of_the_following_is_not_a_database_object_in_MS_Access1558073404.png image

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Filed Under: Database
Exam Prep: Bank Exams
Job Role: Project Manager , IT Trainer , Database Administration , Bank Clerk , Analyst

16 29614
Q:

 ON UPDATE CASCADE ensures which of the following?

A) Normalization B) Data Integrity
C) Materialized Views D) All of the above.
 
Answer & Explanation Answer: B) Data Integrity

Explanation:
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Filed Under: Database

62 28573
Q:

What will be output of the following c program ?

#include

int main()

{

    int max-val=100;

    int min-val=10;

    int avg-val;

    avg-val =( max-val + min-val ) / 2;

    printf( "%d", avg-val );

    return 0;

}

A) 55 B) 105
C) 60 D) Compilation error
 
Answer & Explanation Answer: D) Compilation error

Explanation:

We cannot use special character – in the variable name.
Variable name can have only underscore.

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Filed Under: Programming

5 28490
Q:

Which of the following is not part of performance testing?

A) simulating many users B) measuring response times
C) generating many transactions D) recovery testing
 
Answer & Explanation Answer: D) recovery testing

Explanation:

In software engineering, performance testing is in general, a testing practice performed to determine how a system performs in terms of responsiveness and stability under a particular workload.

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Filed Under: Software Testing
Job Role: Analyst , IT Trainer , Software Architect

11 28419