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Microprocessor

Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 285
 512
 65536
 256

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Microprocessor
Which one of the following circuits transmits two messages simultaneously in one direction

 Quadruplex
 Diplex
 Simplex
 Duplex

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Microprocessor
A mask programmed ROM is

 programmed at the time of fabrication
 erasable and programmable
 erasable electrically
 programmed by the user

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Microprocessor
The address bus of any microprocessor is always

 None
 Unidirectional
 Either unidirectional or bi-directional
 Bi-directional

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Microprocessor
The ROM programmed during manufacturing process itself is called

 EPROM
 MROM
 PROM
 EEPROM

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Microprocessor
The five flags in 8085 are designated as

Z, C, S, P, AC
D, Z, S, P, AC
Z, CY, S, P and AC
Z, CY, S, D, AC

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