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Central Processing Unit Q.10

0. Consider the following program segment for a hypothetical CPU having three user registers R1, R2 and R3.

Consider the following program segment for a hypothetical CPU having three user registers R1, R2 and R3

Let the clock cycles required for various operations be as follows :
Register to/from memory transfer.
3 clock cycles
ADD with both operands in register.
1 clock cycles
Instruction fetch and decode :
2 clock cycles per word
The total number of clock cycles required to execute the program is

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