1-1. 서론
OSI모형(Open Systems Interconnection Reference Model)은 국제표준화기구(ISO)에서 개발한 모델로, 컴퓨터 네트워크 Protocol디자인과 통신을 계층으로 분류한 것으로 OSI7계층 모형이라고 한다.
이 모델은 Protocol을 기능별로 나눈 것이다. 각 계층은 하위 계층의 기능만을 이용하고, 상위 계층에게 기능을
Because of Android’s
OPEN and FREE access,
the world-wide availability of
Android-based phones are
Increasing.
Currently Available : 32
Upcoming : 8
Rumored : 18
2. Prof. Hee june Ahn
Associate Professor at Seoul National Univ. of Technology (Dept. Control and Instrumentation Engineering)
Major and Research interests
- MODEM PROTOCOL SW and PROTOCOL SOFTWARE ENVIROM
of Android, second, future market prospect of Android, and third, the absence of the Korean companies countering Android.
First, Google’s Android has unique characteristics and relative advantages when compared to its competitors such as Apple. The very first and most outstanding feature of Android is its openness. Anybody can access to Android on this website, downloading platforms and thu
of them are related to works. Community members can share their knowledge and thoughts. Sometimes project team members upload their research results on community.
1.4. Future Use
1.4.1. U-learning (Ubiquitous learning)
For some, U-learning is equivalent to some form of simple mobile learning, e.g. that learning environments can be accessed in various contexts and situations. A ubiquitous le
of them are related to works. Community members can share their knowledge and thoughts. Sometimes project team members upload their research results on community.
1.4. Future Use
1.4.1. U-learning (Ubiquitous learning)
For some, U-learning is equivalent to some form of simple mobile learning, e.g. that learning environments can be accessed in various contexts and situations. A ubiquitous le