Q8 (a) Sketch a basic level block diagram of computer's components. Include the interconnection bus system clearly showing different types of signals flow in each. (6Marks) (b) Construct a 64Kx16 (64K words with word size 16 bits) ROM using 16Kx8 (16K words with word size 8 bits) ROM chips. You have to clearly show the interconnection lines and their widths (6Marks) (c) A basic level micro processor control unit is to be designed according to the following specifications. Operations: Addition, logical AND, logical OR, bitwise inversion, increment by Operations to be performed on data stored in A and B registers accordingly. one .Results of the ALU operation to be stored in register C. .Current instruction is loaded to the instruction register (IR) IRDecoder ALU Figure-08 i. Design the circuitry inside the ALU. (4Marks) ii. Design the combinational circuit in the decoder. (4Marks) (Clearly state all your assumptions and show all the design steps)