How much total external data memory that can be interfaced to the 8051?
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Why the temporary registers w and z are named so I mean we start from a,b,c,d,e then h and l coz h stands for higher bit nd l for lower bit of the address pinted by memory pointer....but wats w and z for?
How many bit address bus does the 8085 use?
What are tri-state devices and why they are essential in a bus oriented system?
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Can port 0 be used as input output port?
Which interrupt has the highest priority?
Define crossbar switching with reference to 8086?
Explain the two types of software?
Byte wise what are the lengths of call and ret instructions?
Why was 8085 microprocessor introduced?
Does 8085 have serial i/o control?
Explain the significance of signal?
How to control and timing circuitry of the 8085.
86 Family 
