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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:

main()

{

float me = 1.1;

double you = 1.1;

if(me==you)

printf("yes");

else

printf("No");

}

A) Yes B) No
C) Both D) Compilation error
 
Answer & Explanation Answer: B) No

Explanation:

For floating point numbers (float, double, long double) the values cannot be predicted exactly. Depending on the number of bytes, the precession with of the value represented varies. Float takes 4 bytes and long double takes 10 bytes. So float stores 0.9 with less precision than long double.

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Filed Under: Software Testing
Job Role: Software Architect

9 11461
Q:

What is a binary semaphore? What is its use?

Answer

A binary semaphore is one, which takes only 0 and 1 as values. They are used to implement mutual exclusion and synchronize concurrent processes.

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Subject: Operating Systems

9 14500
Q:

The program that is responsible for loading the operating system into RAM is the _______.

A) BIOS B) Bootstrap Program
C) Drive- Driver D) Supervisor Program
 
Answer & Explanation Answer: B) Bootstrap Program

Explanation:

The program that is responsible for loading the operating system into RAM is the bootstrap Loader program.

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Filed Under: Operating Systems
Exam Prep: Bank Exams

9 6990
Q:

 The different classes of relations created by the technique for preventing modification anomalies are called:

A) normal forms. B) functional dependencies.
C) referential integrity constraints. D) None of the above is correct.
 
Answer & Explanation Answer: A) normal forms.

Explanation:
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Filed Under: Database

9 8790
Q:

High level language is also called as ?

A) Business oriented language B) Mathematically oriented language
C) Problem oriented language D) All of above
 
Answer & Explanation Answer: D) All of above

Explanation:
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Filed Under: Operating Systems
Exam Prep: AIEEE , CAT , GRE , TOEFL
Job Role: Bank Clerk , Bank PO , Network Engineer , Project Manager , Software Architect

9 2606
Q:

The coding or scrambling of data so that humans cannot read them, is known as _____.

A) Compression B) Encryption
C) Ergonomics D) Biometrics
 
Answer & Explanation Answer: B) Encryption

Explanation:

The coding or scrambling of data so that humans cannot read them is known as encryption.

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Filed Under: Programming

9 3857
Q:

What are the notations used in Evaluation of Arithmetic Expressions using prefix and postfix forms?

A) Polish B) Reverse Polish
C) Both A and B D) None of the above
 
Answer & Explanation Answer: C) Both A and B

Explanation:

Polish and Reverse Polish are the notations used in Evaluation of Arithmetic Expressions using prefix and postfix forms

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Filed Under: Database
Job Role: Database Administration

9 12608
Q:

public static void main string[] args Meaning is?

Answer

Here in this declaration public static void main string[] args, each keyword has its importance.


 


1. public - Here public is an access specifier which allows the main method to be accessible everywhere.


 


2. static - static helps the main method to get loaded without getting called by any instance/object.


 


3. void - void clarifies that the main method will not return any value.


 


4. main - It's the name of the method.


 


5. String[] args - Here we are defining a String array to pass arguments at the command line. args is the variable name of the String array.

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Subject: Programming
Job Role: Project Manager , IT Trainer , Database Administration , Analyst

8 2586