parallel full adder

例句：

1. 1. The parallel fulladder is used in digital signal processingto perform addition and subtraction operations.
   并行全加器用于数字信号处理中执行加法和减法操作。
2. 2. Inthe design of a parallel full adder, each input bit is added to thesum of the previous bits.
   在并行全加器的设计中，每个输入位都与前一个位的和相加。
3. 3.The parallel full adder is an essentialcomponent in many modern electronic circuits.
   并行全加器是许多现代电子电路中不可或缺的组件。