What is general register organization ?

 What is General Register Organization ?

A set of flip-flops forms a register. A register is a unique high-speed storage area in the CPU. They include combinational circuits that implement data processing. 
What is General Register Organization ?

1. In general register organization, the registers communicate with each other not only for direct data transfers, but also while performing various micro operations.

2. Seven registers are used for general purpose, the output of each register is connected to two multiplexer (MUXS) inputs.

3. Three select lines are used to select any one of the seven registers and the contents of selected registers are supplied to the inputs of ALU.

4. The buses A and B are used to form the inputs to the common arithmetic logic unit (ALU).

5. The operation to be performed is selected in the ALU and is determined by the arithmetic or logic micro-operation by using function select lines (OPR).

6. The result of the micro-operation is available as output data and also goes into the inputs of all the registers. 

7. Any one of the destination register receives the information from the
output bus which is selected by a decoder.

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