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


How many address lines in a 4096*8 EPROM CHIP



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10. How many address lines in a 4096*8 EPROM CHIP
12 Address lines.

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11.Control signals used for DMA operation are
HOLD and HLDA
12.What is meant by wait state
This state is used by slow peripheral devices.the peripheral devices can transfer the data to or from the microprocessor by using READY input line.the microprocessor remains in the wait state as long as READY line is low.during the wait state,the contents of the address,address/data and control buses are held constant.

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