Subnet Mask

Subnet mask is used for identify the Network.

Example:

For a class A address, a standard subnet mask is 255.0.0.0,

For a class B address, a standard subnet mask is 255.255.0.0,

For a class C address, a standard subnet mask is 255.255.255.0,

CMOS (Complementary Metal oxide Semiconductor)

A part of the motherboard that maintains system variables in static RAM. It also supplies a real-time clock that keeps track of the date, day and time. CMOS Setup is typically accessible by entering a specific sequence of keystrokes during the POST at system start-up.

What is Chatting?

Chatting is a Real Time Conversation between two or more people in the network.