Computer Questions

Q:

Which of the following statement is true?

A) A Primary key is also a candidate key B) Each relation has at least one foreign key
C) Foreign keys can't have null values D) A Primary key is also an alternate key
 
Answer & Explanation Answer: A) A Primary key is also a candidate key

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Q:

The process when the computer is switched on and the operating system gets loaded from hard disk to main memory is called

A) Booting B) Fetching
C) Processing D) Multi-Processing
 
Answer & Explanation Answer: A) Booting

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Q:

On the basis of memory size & performance, which type of computer is known as "Big Iron"?

A) Micro computer B) Mini computer
C) Main Frame D) Supercomputer
 
Answer & Explanation Answer: C) Main Frame

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Q:

What was the theme of the 5th Global Conference on Cyber Space (GCCS), held in November, 2017?

A) Cyber4All: An Inclusive, Sustainable, Developmental, Safe and Secure Cyberspace B) Cyber for Better Life
C) Cyber for Better Future D) Cyber for World
 
Answer & Explanation Answer: A) Cyber4All: An Inclusive, Sustainable, Developmental, Safe and Secure Cyberspace

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Q:

What is the technology used in a compact disc?

A) Electrical B) Laser
C) Electro magnetic D) Aeronautical
 
Answer & Explanation Answer: B) Laser

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Q:

Which cloud is a cloud computing environment that uses amix of on-premises, private cloud and third-party, publiccloud services with orchestration between the two platformsand it is particularly valuable for dynamic or highlychangeable workloads?

A) Dynamic Cloud B) Advance Cloud
C) Hybrid Cloud D) Sharing Cloud
 
Answer & Explanation Answer: C) Hybrid Cloud

Explanation:

Hybrid cloud is a cloud computing environment whichuses a mix of on-premises, private cloud and third-party, public cloud services with orchestration betweenthe two platforms. By using a Hybrid approach,companies can maintain control of an internallymanaged private cloud while relying on the publiccloud as needed

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Q:

_____________ is a collection of data values of same types having a common name.

A) Object B) String
C) Array D) Numbers
 
Answer & Explanation Answer: C) Array

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Q:

TCP in computer science stands for?

A) Transmission Control Protocol B) Total Control Protocol
C) Technology Control Protocol D) Transfer Control Protocol
 
Answer & Explanation Answer: A) Transmission Control Protocol

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