B. E./B. Tech. Degree examination, april/may 2011 Sixth Semester



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20. Define stack
Stack is a sequence of RAM memory locations defined by the programmer.

21. How the microprocessor is synchronized with peripherals
The timing and control unit synchronizes all the microprocessor operations with clock and generates control signals necessary for communication between the microprocessor and peripherals.
22. What is the minimums m and how it is formed in 8085?
A minimums m is one which is formed using minimum number of IC chips.the 8085 based minimums m is formed using 8155,8355 & 8755.

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