Leonard Kleinrock

IV. Computer A lot of people struggled with math problems and so the idea of computers was derived from the incentive of making math easier, to make counting easier. During World War II the U.S and Britain were fighting against Germany, and they wanted to deport the messages to plan their next attack.The first computers were used to break the enigma code. After years of trial and errors they finally broke the code and saved thousands of lives. It was a success and the computer was…

While ubiquitous Internet access is extremely convenient and enables marvelous new applications for mobile users, it also creates a major security vulnerability—by placing a passive receiver in the vicinity of the wireless transmitter, that receiver can obtain a copy of every packet that is transmitted! These packets can contain all kinds of sensitive information, including passwords, social security numbers, trade secrets, and private personal messages. A passive receiver that records a copy of…