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Q:

What are the sub-components of I/O manager in Windows NT? 

Answer:



Q:

What happens during the bootstrap process?

Answer

A bootstrap is the process of starting up a computer. It also refers to the program that initializes the operating system (OS) during start-up.


It referred to a bootstrap load button that was used to initiate a hardwired bootstrap program, or smaller program that executed a larger program such as the OS.

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2 103
Q:

Which of the following is Not an Operating System?

A) UNIX B) Windows NT
C) C++ D) DOS
 
Answer & Explanation Answer: C) C++

Explanation:

C++ is not an Operating System.

 

An Operating System is a collection of system programs that manages all the other programs application programs in a computer as well as the allocation and use of hardware resources such as the CPU, Memory and the Hard Disk Drive.

It acts as an interface between the hardware and the user level program.

It controls and facilitates the overall operation of a computer. 

 

Here

UNIX : UNIX is a popular multi-user, multitasking operating system (OS) developed at Bell Labs.

 

Windows NT : Windows NT is a family of operating systems produced by Microsoft, the first version of which was released in July 1993.

 

DOS : DOS is Disk Operating System. The term DOS can refer to any operating system.

 

C++ : C++ is a programming language and computing platform.

 

Hence, C++ is not an Operating System.

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4 391
Q:

The main interface in Windows and OS X is __________ interface.

A) Command-line B) Embedded
C) Neural D) Graphical
 
Answer & Explanation Answer: D) Graphical

Explanation:
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7 1559
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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4 1860
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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4 2052
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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3 1311
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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