Database Administration Questions


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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Q:

The amount of RAM storage is measured in

A) bytes B) mega bytes
C) giga bytes D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

RAM storage capacity is measured in bytes, kilo bytes, mega bytes, giga bytes,...

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2 4251
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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Q:

Change Active Voice to Passive Voice?

Active voice : Has he completed the work?

Answer

Passive Voice : Has the work been completed by him?


 


Rules in changing from Active voice to Passive voice :


1. Identify the subject, the verb and the object: S+V+O


2. Change the object into subject


3. Put the suitable helping verb or auxiliary verb


4. Change the verb into past participle of the verb


5. Add the preposition "by"


6. Change the subject into object.

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Q:

Lux is the SI unit of

A) luminous flux B) luminous efficiency
C) intensity of illumination D) luminous intensity
 
Answer & Explanation Answer: C) intensity of illumination

Explanation:

The lux (lx) is the SI derived unit of illuminance and luminous emittance, measuring luminous flux per unit area. It is equal to one lumen per square meter.

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Filed Under: Physics
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Q:

21st letter of the alphabet is a Consonant.

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

Explanation:

We know there are 26 alphabets in English. The 21st letter in the alphabet is 'U'.


We have 5 vowels and 21 consonants.


Vowels :: A, E, I, O, U.


U is not consonant and is a vowel.


 


Hence, the given statement that 21st letter in the alphabet i.e, U is consonant is a FALSE.

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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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2 4197
Q:

How many Teaspoons in a Tablespoon?

A) 4 B) 5
C) 2 D) 3
 
Answer & Explanation Answer: D) 3

Explanation:

Tablespoon > Teaspoon

In US & UK, 1 Tablespoon = 3 Teaspoons.

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