(a)
The microprocessor is divided into two parts i.e. the BIU and the EU. Explain the

purpose of each?

(8 Marks)
(b)
Briefly describe the flag register.

(12 Marks)

Question 5
(20 Marks)
(a)
Define the following terms
(i)
Operands
(ii)
Processor register

(4 Marks)
(b)
Write a data transfer instruction that can move data addresses and operands into
registry/memory locations.

(8 Marks)
(c)
(i)
Define a Bus.
(iii)
Explain the purpose for each of the following types of buses; Address, Data and
Control.

(8 Marks)

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