IT Trainer Questions


Q:

IP address is currently

A) 4 bytes long B) available in plenty
C) 6 bytes long D) not assigned as it is all used up
 
Answer & Explanation Answer: A) 4 bytes long

Explanation:

IP address is currently 4 bytes long. An IP address is written in "dotted decimal" notation, which is 4 sets of numbers separated by period each set representing 8-bit number ranging from (0-255).

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Q:

Which standard govern parallel communications?

A) CAT 5 B) IEEE 1284
C) RS-232 D) None of the above
 
Answer & Explanation Answer: B) IEEE 1284

Explanation:

IEEE 1284 is a standard that govern parallel communications.

 

  • IEEE 1284 is a standard that defines bi-directional parallel communications between computers and other devices.

 

  • It was originally developed in the 1970s by Centronics, and was widely known as the Centronics port, both before and after its IEEE standardization.

 

                      which_standard_govern_parallel_communications1539064136.jpg image

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6 3111
Q:

DNA is made of repeating units called

A) Nucleotides B) Ribozomes
C) Peptides D) Aminoacids
 
Answer & Explanation Answer: A) Nucleotides

Explanation:

DNA is a very long chain polymer made up of thousands of repeating units called nucleotides.

 

Nucleotide Unit is composed of a phosphate group, a pentose sugar, and a nitrogenous base.

 

The sides of the DNA ladder are made up of alternating deoxyribose sugar -- phosphate group units.

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Q:

Which of the following is an example of system software?

A) Microsoft word B) Calculator
C) Operating system D) RAM
 
Answer & Explanation Answer: C) Operating system

Explanation:

In a brief, the system software is the interface between the hardware and user applications. System software is a type of computer program that is designed to run a computer’s hardware and application programs.

 

Examples : OS, System utilities, BIOS like mouse, keyboard, hard disc, Device drivers, Assembler,...

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4 3087
Q:

Which of the following is biodegradable?

A) Iron nails B) DDT
C) Silver foil D) Leather bags
 
Answer & Explanation Answer: D) Leather bags

Explanation:

Biodegradable substances can be broken down into simpler, harmless substances in nature with due course of time by the biological process such as action of microbes. They can be recycled as a part of food chain.

 

Here, Leather bags are biodegradable.

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4 3083
Q:

Ethernet uses which topology

A) Star B) Bus
C) Twisted pair D) Both B & C
 
Answer & Explanation Answer: B) Bus

Explanation:

Ethernet uses Bus topology.

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3 3079
Q:

World's smallest Computer is unveiled by

A) Infosys B) Intel
C) IBM D) Microsoft
 
Answer & Explanation Answer: C) IBM

Explanation:

IBM has unveiled the world's smallest computer - a device no bigger than a grain of salt. Presented at the company's Think 2018 conference in Las Vegas, Nevada, the unit measures just 1mm by 1mm but has the same processing power as the x86 chip that ran early Nineties IBM desktop computers.

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2 3079
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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