Questions

In token Ring , hub is called Multistation Access Unit(MAU).

A method for providing fault tolerance by using multiple hard disk drives

1 atm: It was originally defined as the pressure exerted by 760 mm of mercury at 0 °C and standard gravity (g = 9.80665 m/s2).

Lala Lajpat Rai, popularly known as Punjab Kesari was an Indian Freedom Fighter who gave the safety valve theory for Indian National Congress in 1916 in a daily news paper paper 'Young India'. 

It was said that the INC was started by Viceroy Lord Dufferin with the help of an ex Civil Services member as a 'Safety Valve' against the popular discontent.

Virat Kohli surpasses Brian Lara with sixth Test double hundred as captain.

After reaching the milestone, Virat Kohli became the first captain to score six double tons in Test cricket. He has also become the first player to score six double centuries in just a span of 17 months. He also became the second Indian to score back-to-back double centuries, only after Vinod Kambli.

Apart from him, the only other cricketers who have scored back-to-back double Test tons are Wally Hammond, Don Bradman, Kambli, Kumar Sangakkara and Michael Clarke.

Simple covalent compounds are generally named by using prefixes metal name + nonmetal name + suffix –ide to indicate how many atoms of each element are shown in the formula. Also, the ending of the last (most negative) element is changed to -ide. The prefixes used are mono-, di-, tri-, tetra-, penta-, hexa-, and so forth.