Technology Questions

Q:

When are you supposed to use endif to end the conditional statement?

Answer When the original if was followed by : and then the code block without braces.
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Q:

Pick out the correct method in the c++ standard library algorithm.

A) mismatch B) maximum
C) minimum D) None of these
 
Answer & Explanation Answer: A) mismatch

Explanation:

It is a method in the search opertion in standard library algorithms.

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Filed Under: C++

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Q:

Inside an interface when should the variables be initialized?

A) Globally B) Whenever required
C) Inside a function D) During the time of declaration
 
Answer & Explanation Answer: D) During the time of declaration

Explanation:

They should be initialized during the time of declaration itself otherwise it is a compilation eror

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Filed Under: Java
Job Role: IT Trainer

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Q:

Series of interface points that allow other computers to communicate with the other layers of network protocol stack is called SAP

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

Explanation:
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Q:

What is conversion operator ?

Answer

Class can have a public method for specific data type conversions.
for example:
class B
{
double value;
public  B(int i )
operator double()
{
return value;
}
};
B BObject;
double i = BObject; // assigning object to variable i of type double.
now conversion operator gets called to assign the value.

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Q:

DOM stands for

A) Document object model B) Data object model
C) Document Oriented model D) Data oriented model
 
Answer & Explanation Answer: A) Document object model

Explanation:
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Filed Under: Web Technology

0 4773
Q:

How the different permutations are ordered in c++?

A) Compare lexicographicaly to each other elements B) By finding the highest element in the range
C) By finding the lowest element in the range D) None of the mentioned
 
Answer & Explanation Answer: A) Compare lexicographicaly to each other elements

Explanation:
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Filed Under: C++

2 4765
Q:

Convert the expression ((A + B) * C – (D – E) ^ (F + G)) to equivalent  Postfix notations.

A) AC + B * DE - FG +^- B) AB + C * DE - FG + ^-
C) AC + B* DE - FG -+ ^ D) AB + C * DE - FG -+ ^
 
Answer & Explanation Answer: B) AB + C * DE - FG + ^-

Explanation:
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Filed Under: Java

4 4764