Questions

Secondary storage therefore needed because it is non-volatile, meaning it retains its contents without the need for a power supply. It also has the large storage capacity needed to store the operating system and all the programs and files needed by a modern computer system.

main()

{

   char *str[] = { "Frogs", "Do", "Not", "Die." , "They", "Croak!" };

   int i;

         for ( i = 0;i<=5;i++)

         printf ("\n%s%d", str[i], strlen( str[i]));

}

In 1960s AT&T introduces its Data phone, the firstcommercial modem. The first commercial modem made for converting digital computer data at analog signalsfor transmission across long distance networks

The President and Vice-President of United Arab Emirates Sheik Mohamed bin Zayed Al Nahyan and Shaik Mohammed bin Rashid Al Maktoum announced in Febraury 2017 that they are planning to build the first inhabitable human settlement on Mars by 2117.

To make steel, iron ore is first mined from the ground. It is then smelted in blast furnaces where the impurities are removed and carbon is added.

In simple, steel is iron alloyed with carbon, usually 0 - 2%.

Federalism ::

Federalism is a system based upon democratic rules and institutions in which the power to govern is shared between national and provincial/state governments, creating what is often called a federation.

Federalism is a political concept in which a group of members are bound together with a governing representative head. 

Federalism enables the state and the national government to share power.