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Q:

What is mutex?

Answer

Mutex is a program object that allows multiple program threads to share the same resource, such as file access, but not simultaneously. When a program is started a mutex is created woth a unique name. After this stage, any thread that needs the resource must lock the mutex from other threads while it is using the resource. the mutex is set to unlock when the data is no longer needed or the routine is finished.

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Subject: Operating Systems

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Q:

What is Marshalling?

Answer

The process of packaging and sending interface method parameters across thread or process boundaries.

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Subject: Operating Systems

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Q:

Who is the current Chairman of Indian Space Research Organisation(ISRO)?

A) Kailasavadivoo Sivan B) G. Satheesh Reddy
C) A. S. Kiran Kumar D) K. Radhakrishnan
 
Answer & Explanation Answer: A) Kailasavadivoo Sivan

Explanation:

The current Chairman of Indian Space Research Organisation(ISRO) is Kailasavadivoo Sivan.

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

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Q:

Choose the word that best defines the given phrase ‘Able to use both hands alike’

A) Dexterous B) Ambidextrous
C) Skilful D) Expert
 
Answer & Explanation Answer: B) Ambidextrous

Explanation:
Ambidextrous people have the ability to use both hands with equal dexterity. Ambidextrous describes someone who can use either hand to write.
Dexterous means showing skills.
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Filed Under: English
Exam Prep: Bank Exams

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Q:

Isotopes are atoms of the same element that have different

A) numbers of neutrons B) numbers of electrons
C) numbers of protons D) atomic numbers
 
Answer & Explanation Answer: A) numbers of neutrons

Explanation:

Isotopes are variations of an element that have the same charge as the original element, but a different mass, which is caused by either more/less neutrons in the nucleus.

 

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Filed Under: Chemistry
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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Q:

According to World Economic Forum Global Gender Gap Report 2017, Indian has closed ______ percentage of its gender gap.

A) 39 B) 67
C) 53 D) 91
 
Answer & Explanation Answer: B) 67

Explanation:
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Filed Under: Indian Economy
Exam Prep: Bank Exams , CAT

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Q:

Which company received the award as one of the 2019 World’s Most Ethical Companies?

A) Tata Steel B) Reliance Industries
C) ITC Limited D) Infosys
 
Answer & Explanation Answer: A) Tata Steel

Explanation:

Among the given options, Tata Steel company received the award as one of the 2019 World’s Most Ethical Companies.

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Filed Under: General Awareness
Exam Prep: AIEEE , Bank Exams , CAT
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Q:

The term just noticeable difference is synonymous with

A) difference threshold B) separation threshold
C) change threshold D) response threshold
 
Answer & Explanation Answer: A) difference threshold

Explanation:

The term just noticeable difference is synonymous with difference threshold and refers
to the detection of change.

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Filed Under: General Science
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