Question 2 (25 marks) a) A computer supports the following assembly statements for arithmetic operations where A, is a memory location. ADD B ; Add B to the accumulator and store the result in accumulator SUB B ; Subtract B from the accumulator and store the result in accumulator INC R1 ; Increment the Register 1 by 1 Does this computer apply the CISC or RISC architecture? Explain. (3 marks) b) List two advantages and two disadvantages of RISC processor. (4 marks) c) What are the three types of hazards in pipelining? When two or more instructions that are in pipeline need the same resource, which type of hazard does it belong to? (2 marks) d) What is MIPS? Is MIPS always reliable for judging computer performance? (4 marks)