IT Trainer Questions


Q:

Data integrity constraints are used to

A) Ensure that duplicate records are not entered into the table B) Prevent users from changing the values stored in the table
C) Control who is allowed access to the data D) Improve the quality of data entered for a specific property like table column
 
Answer & Explanation Answer: D) Improve the quality of data entered for a specific property like table column

Explanation:

Integrity constraints are used to ensure accuracy and consistency of data in a relational database. Data integrity is handled in a relational database through the concept of referential integrity. Many types of integrity constraints play a role in referential integrity (RI).

 

Hence, Data integrity constraints are used to Improve the quality of data entered for a specific property i.e, table column.

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Q:

Statement: Ministry of Tourism in its one of the reports revealed that due to recent social disturbance in the country, the number of foreign tourists has decreased considerably, which resulted in a financial loss of Rs 100 crore.
Courses of action:
a. The Government should provide financial support to the tourism sector.
b. Foreign tourists should be informed that they visit the country at their risk.

A) Only b follows B) Only a follows
C) Both a & b follows D) Neither a nor b follows
 
Answer & Explanation Answer: D) Neither a nor b follows

Explanation:

Financial support to the tourism sector is not a permanent solution. Secondly, constant risk for the foreign tourists will never encourage tourism in India. Hence, none of the course action is the right solution in this direction.

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Q:

Identify the metalloid in the following list?

A) Silicon B) Sulphur
C) Scandium D) All of the above
 
Answer & Explanation Answer: A) Silicon

Explanation:

A metalloid is an element with properties between metals and non metals or the mix of both.

The six metalloids are arsenic, silicon, germanium, boron, antimony and tellurium.

 

Hence, silicon is the only metalloid in the given list.

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

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Q:

Cache memory is a form of ROM.

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

Explanation:

The given sentence Cache memory is a form of ROM is FALSE. Cache memory, also called CPU memory, is high-speed static random access memory (SRAM) that a computer microprocessor can access more quickly than it can access regular random access memory (RAM).

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Q:

What separates the components of a domain name?

A) apostrophes B) periods
C) spaces D) commas
 
Answer & Explanation Answer: B) periods

Explanation:
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Q:

Currency of Peru is

A) Chilean Peso B) Euro
C) Sol D) Dollar
 
Answer & Explanation Answer: C) Sol

Explanation:

Peru is a country in South America. Lima is the capital city of Peru. Sol is the currency of Peru.

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Q:

Programs stored in ROM are called

A) Firmware B) Software
C) Hardware D) None of above
 
Answer & Explanation Answer: A) Firmware

Explanation:

ROM stands for read-only-memory.

 

It's used to store the start-up instructions for a computer, also known as the firmware.

 

Most modern computers use flash-based ROM. It is part of the BIOS chip, which is located on the motherboard.

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Q:

Who was the first englishman to sail around the world?

A) Magellan B) Sir Francis Drake
C) Juan Sebastian Elcano D) Henry Hudson
 
Answer & Explanation Answer: B) Sir Francis Drake

Explanation:

Sir Francis Drake was the first Englishman to sail around the world.

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

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