1. Listening Comprehension
1~3) Listen to the following and answer the question.
Pre-history
Prior to the release of bitcoin there were a number of digital cash technologies starting with the issuer based e-cash protocols of David Chaum and Stefan Brands. Adam Back developed hashcash, a proof- of-work scheme for spam control. The first proposals for distributed digital scarcity based cryp
1. 기존 PLANT 내의 제어실에 새로운 CONTROL SYSTEM 을 설치하고 기존 CONTROL SYSTEM 과의 DATA COMMUNICATION을 하려고 한다. 이때 고려해야할 사항을 설명하시오. 또한, OSI (Open System Interconnection) 7 Layer 에 대해 설명하고 TCP/IP 4계층과 비교 및 적용되는 Protocol의 예를 드시오.
① 이기종간의 제어시스템간의 데이타
In this project, solutions to second order linear recurrence equations with constant coeffi- cients have been investigated. We have used generating functions to derive the general solution to the homogeneous equation and we show that in general the particular solution is complicated to find. By limiting the right hand side (RHS) in the equation to a polynomial-exponential family of functions we c
Ⅰ. Origins and history
1. Early days
The ILO was created in 1919, as part of the Treaty of Versailles that ended World War I, to reflect the belief that universal and lasting peace can be accomplished only if it is based on social justice. The Constitution was drafted between January and April, 1919, by the Labour Commission set up by the Peace Conference. The Commission was composed of
1. Introduction
Korea since the late 1980s the policy emphasis on public transport in urban traffic
In the 1990s, beginning to consider the importance of a long-term transportation
investments
Compared to the continuously increasing demand for transportation road, lack of
facilities treatment and the inefficiency of transportation operations
Road construction and road expansio