Compare 8086 and 8085 by their internal architecture?
|Subject||Microprocessor and Assembly Language|
|NU Year||Set: 1.(c) Marks: 5 Year: 2009|
|SERIAL NO.||8085 MICROPROCESSOR||8086 MICROPROCESSOR|
|1||The data bus is of 8 bits.||The data bus is of 16 bits.|
|2||The address bus is of 16 bits.||The address bus is of 20 bits.|
|3||The memory capacity is 64 KB.||The memory capacity is 1 MB.|
|4||The input/output port addresses are of 8 bits.||The input/output port addresses are of 8 bits.|
|5||The operating frequency is 3 MHz.||The operating frequency is 5 MHz.|
|6||It not have multiplication and division instructions.||It have multiplication and division instructions.|
|7||It does not support pipe-lining.||It supports pipe-lining as it has two independent units Execution Unit (EU) and Bus Interface Unit (BIU).|
|8||It does not support instruction queue.||It supports instruction queue.|
|9||Memory space is not segmented.||Memory space is segmented.|
|10||It consists of 5 flags(Sign Flag, Zero Flag, Auxiliary Carry Flag, Parity Flag, Carry Flag).||It consists of 9 flags(Overflow Flag, Direction Flag, Interrupt Flag, Trap Flag, Sign Flag, Zero Flag, Auxiliary Carry Flag, Parity Flag, Carry Flag).|
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