電腦一些名詷(編號:4476)

各位可否幫我解釋一下以下各個名詞,字典真的找不到.....
.Polymorphism
.Inheritance
.Data Abstraction
.Recursive
.Dynamic Binding
.Von Neumann
.packet Swiching
.Circuit Swiching
.Message Swiching
.DMA
.INTERRUPT
.Polling