Questions

1. US Navy commissioned world’s largest aircraft carrier, USS Gerald R Ford into the fleet. The commissioning ceremony was held at Naval Station Norfolk, Virginia in presence of US President Donald Trump.

2. USS Gerald R. Ford is the first ship in this new class of nuclear-powered aircraft carriers for the U.S. Navy. The ship is named after the 38th President of the United States Gerald Ford and has been built by Newport News Ship Building Company. The massive 1,106-foot-long carrier is powered by two new generation nuclear reactors.

Answer D is correct because a sunk cost is a project expense that will eventualy need to be paid. Answer A is incorrect because a fixed cost remains constant, regardless of any change in a company's activity. Answer B is incorrect because direct cost can be directly linked to producing specific goods or services. Answer C is incorrect because a variable cost changes in proportion to a change in the company's activity or business.

World Population day is an annual event, observed on July 11 every year, which seeks to raise awareness of global population issues. 

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.

Baburnama was the autobiography of founder of the Mughal Empire Babur. It is wrtten in Chagatai Turkic language, which is his mother tongue.

Light year is the unit of to express astronomical distances, that light can travel in one year. Light moves at a velocity of about 300,000 kilometers (km) each second. So in one year, it can travel about 10 trillion km. More precisely, one light-year is equal to 9,500,000,000,000 kilometers.

Approximately, 1 light year = 10^16 mts.