Database Administration Questions


Q:

Processing speed of computer is measured in MIPS.

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

Explanation:

Million Instructions Per Second is a method of measuring the raw speed of a computer's processor. MIPS measures roughly the number of machine instructions that a computer can execute in one second.

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Q:

In how many different ways the letters of the word 'TRANSFORMER' can be arranged such that 'N' and 'S' always come together?

A) 112420 B) 85120
C) 40320 D) 1209600
 
Answer & Explanation Answer: D) 1209600

Explanation:

Given word is TRANSFORMER.

Number of letters in the given word = 11 (3 R's)

 

Required, number of ways the letters of the word 'TRANSFORMER' can be arranged such that 'N' and 'S' always come together is

10! x 2!/3!

= 3628800 x 2/6

= 1209600

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Q:

I am a box that holds keys without locks, yet they can unlock your soul. What am I?

A) Keyboard B) Keypad
C) Piano D) Key holder
 
Answer & Explanation Answer: C) Piano

Explanation:
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Q:

Which among the following crop is a major Rabi Crop of India?

A) Bitter gourd B) Cotton
C) Turmeric D) Barley
 
Answer & Explanation Answer: D) Barley

Explanation:

A major Rabi Crop of India is wheat and barley in second place.

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Q:

HTML documents are saved in

A) Machine language codes B) ASCII text
C) Special binary format D) None of the above
 
Answer & Explanation Answer: B) ASCII text

Explanation:

Word and WordPad can save documents as ASCII text and HTML, but this approach can lead to problems. NotePad should launch with a new document open.

From the File pull-down menu, Select "Save As," save the file to the Desktop, and name the file using the ".html" extension (e.g., "home.html").

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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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Q:

What does microprocessor speed of a computer depends on?

A) bandwidth B) clock speed
C) number of instructions D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The computers microprocessor speed depends on all the factors like clock speed, bandwidth and the number of instructions it processes.

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Q:

Light travels fastest in

A) Air B) Water
C) Glass D) Diamond
 
Answer & Explanation Answer: A) Air

Explanation:

Light travels fastest in Vacuum. The fastest thing in the whole universe is the speed of light in a vacuum like outer space. It is about 2.99 x 108 m/s. 

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