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Q:

How to read and write a file using javascript?

Answer

I/O operations like reading or writing a file is not possible with client-side javascript. However , this can be done by coding a Java applet that reads files for the script. 

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Subject: Web Technology

Q:

What is the difference between JavaScript and Jscript?

Answer

Both JavaScript and Jscript are almost similar. JavaScript was developed by Netscape. Microsoft reverse engineered Javascript and called it JScript.

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Subject: Web Technology

Q:

Which keyword is used to declare the min and max functions?

A) iostream B) string
C) algorithm D) None of these
 
Answer & Explanation Answer: C) algorithm

Explanation:

Algorithm header file contain the supporting files needed for the execution of these functions.

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Filed Under: C++

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++

Q:

What is mandatory for designing a new container?

A) Classes B) Iterators
C) Container D) None of these
 
Answer & Explanation Answer: B) Iterators

Explanation:
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Filed Under: C++

Q:

Which is best for coding the standard libary for c++?

A) no trailing underscores on names B) complex objects are returned by value
C) have a member-swap() D) All of the mentioned
 
Answer & Explanation Answer: D) All of the mentioned

Explanation:
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Filed Under: C++

Q:

Where does the standard exception classes are grouped?

A) namespace std B) error
C) catch D) none of these
 
Answer & Explanation Answer: A) namespace std

Explanation:

:As these are standard exceptions, they need to be defined in the standard block, So it is defined under namespace std.

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Filed Under: C++

Q:

Which operator is used in catch-all handler?

A) ellipses operator B) ternary operator
C) string operator D) unary operator
 
Answer & Explanation Answer: A) ellipses operator

Explanation:

The ellipses operator can be represented as (…).

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Filed Under: C++