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Q:

What is the difference between Hard and Soft real-time systems?

Answer

A hard real-time system guarantees that critical tasks complete on time. This goal requires that all delays in the system be bounded from the retrieval of the stored data to the time that it takes the operating system to finish any request made of it. A soft real time system where a critical real-time task gets priority over other tasks and retains that priority until it completes. As in hard real time systems kernel delays need to be bounded

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Subject: Operating Systems

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Q:

A 16th Century Indian Jurist has stated that 'land is the property of its owner, and kings have only the right to tax it'. His Name?

A) Yajnavalkya B) Nilakantha
C) Hemadri D) Vijnaneswara
 
Answer & Explanation Answer: B) Nilakantha

Explanation:
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Filed Under: General Awareness

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Q:

India has launched Mahatma Gandhi Pravasi Suraksha Yojana Scheme in which of the following countries?

A) US B) UAE
C) Bhutan D) Bangladesh
 
Answer & Explanation Answer: B) UAE

Explanation:
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Q:

The historical monument Al Khazneh is located in which city ?

A) Giza B) Tehran
C) Baghdad D) Petra
 
Answer & Explanation Answer: D) Petra

Explanation:
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Filed Under: World History

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Q:

 What SQL command will allow you to change the table STUDENT to add the constraint named GradeCheck that states that the values of the Grade column must be greater than 0?

A) ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0); B) ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0);
C) ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0); D) None of the above is correct.
 
Answer & Explanation Answer: C) ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0);

Explanation:
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Filed Under: Database

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Q:

Lamarck's theory of inheritance of acquired characters was challenged by 

A) August Weismann B) Hugo de Vries
C) Herbert Spencer D) Carl Linnaeus
 
Answer & Explanation Answer: C) Herbert Spencer

Explanation:

August Weismann cut off the tails of mice for 21 successive generations and still they produced generation after generation of only tailed young ones. So he concluded that acquired characters are not inherited.

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Filed Under: Biology

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Q:

What is the share of small savings collection from all states through Post Office in India's GDP?

A) 2 percent B) 3 percent
C) 7 percent D) 8 percent
 
Answer & Explanation Answer: B) 3 percent

Explanation:
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Filed Under: General Awareness

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Q:

Which part of a computer performs calculations?

A) Control unit B) Arithmetic and logical unit
C) Both A & B D) Logic bus
 
Answer & Explanation Answer: B) Arithmetic and logical unit

Explanation:

A computer has a CPU which is called as Central Processing UNit or a Processor builton the mother board. It has many components like control unit and Arithmetic and logical unit. 

 

The Arithmetic and logical unit of the CPU performs the arithmetic operations or mathematical calculations.

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Filed Under: Computer
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