Questions

Q:

The brain is covered by

A) meninges B) skin
C) bone D) all the above
 
Answer & Explanation Answer: D) all the above

Explanation:

The central nervous system ( brain and spinal card ) are invested with the meninges which nourish and protect the system .This again is enclosed inside a bony box which has the skin above it

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Filed Under: Biology

14 4809
Q:

How to prepare for TOEFL iBT essay writing part?

There are four sections of TOEFL iBT exam (Reading, Listening, Speaking and Writing). The 4th section is to write an essay about one topic.

Answer

Yes, you are requested to write an essay as part of your TOEFL iBT exam. There are 5 major types for TOEFL essay topics. They are:


 


1. Agree or Disagree


2. Preference


3. Description / Explanation


4. If / Imaginary


5. Compare & Contrast


 


The best way to prepare for this essay writing is to understand the writing style clearly. To understand the the genre, you can refer some sample essays submitted before by different contestants. You can get such sample TOEFL essays from various sources such as TOEFL training websites, cheap essay writing service sites, online libraries, etc. Once you are well aware of the writing pattern the next thing is to practice writing random essays. Keep in mind that you should practice writing essays of all above mentioned 5 types. If you make it a routine to write random essays, gradually you can compete at higher level to write the given essay topic for your TOEFL iBT exam.

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Subject: General Awareness Exam Prep: TOEFL

33 4808
Q:

Which of the following is the headquarters of UNEP (United Nations Environment Programme)?

A) The Hague B) New York
C) Nairobi D) Vienna
 
Answer & Explanation Answer: C) Nairobi

Explanation:
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Filed Under: General Awareness

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Q:

Why address bus in unidirectional and data bus is bidirectional?

Answer

Because there is no need address traansaction between processor and peripheral device but data bus is needed because data has to be read and write

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Subject: Hardware

3 4808
Q:

Bind it and it walks, Loose it and it stops. What is it?

Answer

A Sandal.


It has sticking strips to make them fit for our feet. If you bind them only you can start walking or other wise it comes out.

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7 4808
Q:

Can I increase the size of a dynamically allocated array? < Yes / No> if yes, how?

Answer

Yes, using the realloc() function as shown below:


main()


{


        int *p;


        p = ( int *) malloc (20) ;


        t = p;


        t = (int *) realloc ( p, 40);


        if ( t == NULL )


        Printf (" Cannot reallocate, leaves previous allocated region unchanged ");


       else


       {


              if ( p ==t )


              ;  / * the array expanded at the same region */


             else


            { 


                 free ( p ); / * deallocate the original array */


                 p = t;  /* set p to newly allocated region */


             }


      }


}  

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Subject: Programming

1 4808
Q:

getppid() system call is used to bias the existing priority of a process 

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

Explanation:

It is used to get parent process identifier

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Subject: Operating Systems
Exam Prep: GATE

1 4805
Q:

Which of the following are not pastoral nomads?

A) Pygmies B) Kazaks
C) Masai D) Lapps
 
Answer & Explanation Answer: A) Pygmies

Explanation:

The pygmies are hunting nomads

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Filed Under: World Geography

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