参考答案: B
详细解析:
一个嵌入式设备是一种用来实现特定功能的系统，可以使得执行某些特定功能的效率更加高效。
An embedded device is a（ ）that has been devised to perform some certain functions. It is dedicated to execute a particular task that might require processors that are powerful.
A. peripheral
B. computer system
C. kernel
D. user design
参考答案: B
详细解析:
一个嵌入式设备是一种用来实现特定功能的系统，可以使得执行某些特定功能的效率更加高效。