Q2) Refer Figure 5-4. Can we swap the contents of two registers in one cycle?

Explain. DR

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Q3) In basic computer each instruction cycle consists of the following phases;

(a) Fetch and instruction from memory

(b) Decode the instruction

(c) Read the effective address from memory if instruction has an indirect address

(d) Execute the instruction Write the microoperations for these phases.

S2 Si So Bus 7 Memory unit 4096 x 16 Address Write Read AR LD INR CLR PC LD INR CLR DR LD INR CLR E Adder and logic AC LD INR CLR INPR IR LD TR LD INR CLR OUTR Clock LD 16-bit common bus - Figure 5-4 Basic computer registers connected to a common bus