*해설

<문제 해설>
latency는 시스템의 입력이 출력되는데 까지 걸리는시간
latency time : 대기시간,호출시간

Latency is the delay from input into a system to desired outcome; the term is understood slightly differently in various contexts and latency issues also vary from one system to another. Latency greatly affects how usable and enjoyable electronic and mechanical devices as well as communications are.
Source:http://whatis.techtarget.com/definition/latency