Database Administration Questions


Q:

Not including the sun, the closest stars to earth are

A) 4300 light-years away B) 430 light-years away
C) 43 light-years away D) 4.3 light-years away
 
Answer & Explanation Answer: D) 4.3 light-years away

Explanation:

The nearest stars to Earth are in the Alpha Centauri triple-star system, about 4.37 light-years away. One of these stars, Proxima Centauri, is slightly closer, at 4.26 light-years.

 

Of all the stars closer than 15 light-years, only two are spectral type G, similar to our sun: Alpha Centauri A and Tau Ceti. The majority are M-type red dwarf stars.

 

Only nine of the stars in this area is bright enough to be seen by the naked human eye from Earth. These brightest stars include Alpha Centauri A and B, Sirius A, Epsilon Eridani, Procyon, 61 Cygni A and B, Epsilon Indi A and Tau Ceti.

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Q:

90 D in RA?

Answer

90 D in RA means 90 Degrees in Right Angle. It is a logic question which is to be eloborated.


 


Some more of its kind are:


1. 52 W in a Y     -    52 Weeks in a Year


2. 7 C in a R        -    7 Colours in a Rainbow


3. 9 P in SS


4. 5 C in an OF


5. 12 S of the Z

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1 4398
Q:

Digitized information can be used by computers.

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

Explanation:

TRUE. The computers and electronic devices use digitized information which is easily understood by them.


 


Digitization is the process of converting analog signals or information of any form into a digital format that can be understood by computer systems or electronic devices. The term is used when converting information, like text, images or voices, and sounds, into binary code.

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6 4396
Q:

Plants that grow in Saline Water are called

A) Sciophytes B) Bryophytes
C) Halophytes D) Hydrophytes
 
Answer & Explanation Answer: C) Halophytes

Explanation:

Plants that grow in Saline Water are called Halophytes.

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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank PO , Database Administration

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Q:

What is the distance around a shape called?

A) Volume B) Area
C) Mass D) Perimeter
 
Answer & Explanation Answer: D) Perimeter

Explanation:

The distance around a shape or figure I called Perimeter. A perimeter is a path that surrounds a two-dimensional shape.

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3 4368
Q:

The process of encoding refers to

A) getting information into memory. B) the recall of information previously learned.
C) a clear memory of an emotionally significant event. D) the persistence of learning over time.
 
Answer & Explanation Answer: A) getting information into memory.

Explanation:

Encoding refers to the getting information into memory.

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6 4346
Q:

What is at the end of a rainbow?

Answer

The logical answer for a puzzle is that the letter 'W'.


 


A rainbow is a spectrum of light that appears in the sky when sunlight is refracted through raindrops or other drops of moisture in the Earth's atmosphere. They have inspired much popular folklore, including the belief that a leprechaun can be found with a pot of gold at the end of a rainbow.

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3 4337
Q:

Which Word Does Not Belong with the Others

A) VDU B) Speakers
C) Plotter D) Joystick
 
Answer & Explanation Answer: D) Joystick

Explanation:

Here Joystick is the word doesn't belong with the others.

Because Except Joystick all others are Output Devices whereas Joystick is Input Device.

VDU - Visual Display Unit - Monitor to display

Speakers - Output sound

Plotter - used to produce single or multiple colored images.

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