8.2) (a) CPU, (b) Memory
6.1) (a) 4-bit shift register, (b) 3-bit Johnson counter
6.3) (a) Asynchronous sequential circuit, (b) Synchronous sequential circuit Morris Mano Digital Design 6th Edition Solutions
2.1) (a) 11010, (b) 10100, (c) 11110, (d) 10010
4.3) (a) 3-bit binary adder, (b) 4-bit binary subtractor 8.2) (a) CPU
4.2) (a) 2-to-4 decoder, (b) 4-to-1 multiplexer
6.2) (a) 4-bit binary counter, (b) 3-bit Gray code counter Morris Mano Digital Design 6th Edition Solutions
1.3) (a) 10, (b) 11, (c) 101, (d) 110