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Horizontal micro – programming
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- does not require use of signal decodes
- results in larger sized micro-instructions than vertical micro – programming
- uses one bit for each control signal
- All of the above
- does not require use of signal decodes
Correct Option: D
In horizontal microprogramming the instruction size is less as compared to vertical microprogramming. So, there is no need for decoding. But one bit is used for all control signals to execute the microinstruction. If the bit is set to '1' the control signal field is activated. If the bit is set to 'O', the control signal field is deactivated.
