data - manupulate
instruction - execute
distinguish:
Distinguish between instruction and data.
occur:
Instruction and data fetches can occur concurrently
transfer: 可作名詞，電子轉移，遷移，信號傳送
thereby: 因此
Buses allow for the transfer of electrical signals between different part of the computer system andthereby tranfer information from one device to another.
comprise: 組成
Various subsystems comprise the computer.
dedicate: （專）用於... dedicate to doing sth
The "width" of a bus is the number of signal lines dedicated to transferring information.
particular: 特別的, 特定的
particular case 特例, 特定的例子，個別的例子
subsequent: 隨後的，下面的（跟following 差不多）
The subsequent definition. 下面的定義。