1
Q:

Explain fork() system call? 

Answer:



Q:

Explain soundex() and metaphone() ?

Answer

soundex()
The soundex() function calculates the soundex key of a string. A soundex key is a four character long alphanumeric string that represent English pronunciation of a word. he soundex() function can be used for spelling applications.
< ?php
$str = "hello";
echo soundex($str);
? >


metaphone()
The metaphone() function calculates the metaphone key of a string. A metaphone key represents how a string sounds if said by an English speaking person. The metaphone() function can be used for spelling applications.
< ?php
echo metaphone("world");
? >

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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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Q:

What type of operating system uses the NTFS file system ?

A) Windows B) Mac OS X
C) Unix D) All of these
 
Answer & Explanation Answer: A) Windows

Explanation:

Windows operating system uses the NTFS file system.

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Q:

What are cookies ?

Answer

Cookies are small pieces of information that are stored in a browser. It keeps track of user preference, like what sites are visited, what keywords are used, among others.

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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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