homework

1. Bandiyah sri aprillia (M10422802)
HOMEWORK 2
Chapter 1 Introduction
Mobile communication and internet are the most popular technology in the world nowadays,
and also counted for increasing the importance of people’s live. Until 2009, there are about 26,65
million mobile phone users in Taiwan, approximately 115,18% of the total population. It represents a
fact that nearly 20% of people has two or more mobile phones. In 2007, the size of mobile internet
users has grown from 1,183 million to 1,759 million. It is about 2009, 66% of all of the mobile
communication users.
In future wireless communication systems, multimedia such as image, voice, etc., is
demanded to be able to provide the required high transmission rate, in the effective bandwidth and to
maximize the utilization. But on the other hand, while pursuing the bandwidth and speed, the
improvement of technology in mobile communication in order to provide better services is quite
important.
HOMEWORK 1
1. The first windmill manufactured in the United States was designed by Daniel Halladay, who
began inventing windmills in 1854 in his Connecticut machine shop. Simply stated, a wind
turbine works the opposite of a fan.
2. The force is a vector quantity that has both direction and magnitude. Force can be created of a
push or pull acting upon an object as a result of its interaction with another object. An applied
force is a force that is applied to an object by a person or another object.
3. Matter is found in 3 major states; solid, liquid and gas. Gas, liquid and solid are all made up
of microscopic particles, but the behaviors of these particles differ in the three phases.