International Journals of Advanced Information Science and Technology (IJAIST)
Parallel prefix adder is one of the fastest types of adder that had been created and developed. There are two types of parallel prefix adders are present. The Brent-Kung and Kogge-Stone adders. This paper involves an investigation of the performance of the Kogge-Stone adder in terms of computational power and delay. The investigation and comparison for Kogge-Stone adder was conducted for 8, 16, 32, 64 and 128-bits size. By using the Xilinx 10.1 software, the design for the Kogge-Stone adder was developed.