7. What is the delay of a 16 bit carry look ahead adder built using 4-bit CLA components as shown below? Assume the delay of a two input gate is T ns B3128318 242T24 4-bit CLAC24-bit CLAC23 4-bit CLA| C3 14-bit CLA out- Block Block Block Block 31:28 27 24 3.0 7. What is the delay of a 16 bit carry look ahead adder built using 4-bit CLA components as shown below? Assume the delay of a two input gate is T ns B3128318 242T24 4-bit CLAC24-bit CLAC23 4-bit CLA| C3 14-bit CLA out- Block Block Block Block 31:28 27 24 3.0