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Microprocessor and InterfacingDec 2011Paper Code: EE-309-F
Note : Attempt five questions in all, selecting one question from each unit. Q. 1 is compulsory.
Q.1(a). Define memory segmentation.
(b). What are data transfer instructions and arithmetic instructions ?
(c). Specify the 8085 signals that are used to enable an input port.
(d). Explain why the number of output ports in the peripheral-mapped I/O is restricted to 256 ports?
(e). What operation can be performed by using the instruction ADD A ?
(f). Define addressing modes.
Q.7(b). If the clock frequency is 5MHz, how much time is required to execute an instruction of 18 T states ?
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