Questions

Q:

If I use the following printf() to print a long int why I am not warned about the type mismatch?

printf ("%d",num );

Answer

When a function accepts a variable number of arguments , its prototype cannot provide any information about the number of arguments and type of those variable arguments. Hence the compiler cannot warn about the mismatches. The programmer must make sure that arguments match or must manually insert explicit typecast.

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Subject: Programming

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Q:

I have three eyes but only one leg.

I still close one even if you beg. 

What am I?

Answer

A traffic light.


It has three 'eyes' (the red, orange and green lights) and the leg is the pole holding it up. Many people beg the light to stay green as they’re approaching.

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Q:

Which of the following is the tallest animal?

A) Giraffe B) Camal
C) Ostrich D) None
 
Answer & Explanation Answer: A) Giraffe

Explanation:
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Q:

Acid Precipitation is caused by a mix of

A) Hydrogen, Oxygen, and Saline B) Water, Soil, and Air
C) Respiration, Carbonic Acids, and Seawater D) Sulfur Dioxide, Carbon Dioxide, Nitrogen Oxides
 
Answer & Explanation Answer: D) Sulfur Dioxide, Carbon Dioxide, Nitrogen Oxides

Explanation:

Acid Precipitation or Acid rain is caused by a mix of Sulfur Dioxide, Carbon Dioxide, Nitrogen Oxides.

 

A Chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. These substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as Acid Rains.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank PO

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Q:

Oparin is known for his hypothesis on

A) origin of species B) origin of life
C) one germ one disease D) one gene one enzyme
 
Answer & Explanation Answer: B) origin of life

Explanation:

A. J . Oparin was the first to propose the origin of life from inorganic chemical atoms like Oxygen, Hydrogen, Nitrogen and Carbon.

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Filed Under: Biology

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Q:

What has triggered the need for multitasking in PCs?

Answer

1. Increased speed and memory capacity of microprocessors together with the support for virtual memory and


2. Growth of client server computing

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Q:

All atoms of uranium have the same

A) Atomic mass B) Number of electrons
C) Atomic number D) Mass number
 
Answer & Explanation Answer: C) Atomic number

Explanation:

There are many isotopes of uranium and all of them have same atomic number i.e, sum of nmber of neutrons and protons.

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

4 3728
Q:

Classify the Hashing Functions based on the various methods by which the key value is found.

Answer

Direct method,


 Subtraction method,


 Modulo-Division method,


 Digit-Extraction method,


 Mid-Square method,


 Folding method,


Pseudo-random method

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Subject: Technology

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