Look at the 3-bus architecture on the last page. Locate the numbers positioned a

Question

Look at the 3-bus architecture on the last page. Locate the numbers positioned around the diagram. Which three numbers are at the sources of the three busses?

1) 1, 3 and 6

2) 1, 3 and 4

3) 2, 4 and 5

4) 2, 3 and 5

Generic three-bus C.P.U. architecture Control Lines IR Mux Write select MUX A MUX B line Control Unit Buffer Registers To and from data input lines/data output lines of main memory 16 address SRAM replacing and acting as General Registers MDR A and Function select lines ALU MAR To main memory address lines Address 15-PC 2 Flags above

Explanation / Answer

1) 1, 3 and 6

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