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Q:

Explain fork() system call?

Answer

The `fork()’ used to create a new process from an existing process. The new process is called the child process, and the existing process is called the parent. We can tell which is which by checking the return value from `fork()’. The parent gets the child’s pid returned to him, but the child gets 0 returned to him.

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Subject: Operating Systems Exam Prep: GATE

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Q:

OCR stands for

A) Optical Character Recognition B) Optical CPU Recognition
C) Optimal Character Rendering D) Other Character Restoration
 
Answer & Explanation Answer: A) Optical Character Recognition

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

10 7177
Q:

Purushasukta is founded in the

A) Bhagavad Gita B) Rigveda
C) Manusmriti D) Athrvaveda
 
Answer & Explanation Answer: B) Rigveda

Explanation:
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Filed Under: Indian History

9 7173
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
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

6 7172
Q:

Who is the father of Tissue Culture ?

A) Gautheret B) Haberlandt
C) Bonner D) Laibach
 
Answer & Explanation Answer: B) Haberlandt

Explanation:
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Filed Under: General Science
Exam Prep: AIEEE , Bank Exams
Job Role: Bank Clerk , Bank PO

14 7171
Q:

Aryabhatta was India's renowned

A) Poet B) Physicist
C) Mathmartician D) None of these
 
Answer & Explanation Answer: C) Mathmartician

Explanation:
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Filed Under: Famous Personalities

10 7168
Q:

Which best describes transformation in bacteria?

A) Bacteria take DNA from their environment. B) Bacteria inject DNA into another cell.
C) Bacteria lie dormant for many weeks. D) Bacteria transfer DNA with a bacteriophage.
 
Answer & Explanation Answer: A) Bacteria take DNA from their environment.

Explanation:

"Bacteria take DNA from their environment" is what best describes transformation in bacteria.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

4 7168
Q:

Gammaxene, D.D.T. & Bleaching powder are important compounds of

A) Nitrogen B) Phosphorus
C) Chlorine D) Sulphur
 
Answer & Explanation Answer: C) Chlorine

Explanation:

Gammaxene, D.D.T. & Bleaching powder are important compounds of Chlorine.

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

5 7168