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Microprocessor

Microprocessor
Which memory has read operation, byte erase, byte write and chip erase?

RAM
UVEPROM
EEPROM
Both B and C

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

 285
 256
 65536
 512

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 transferred to memory address register .
 transferred to memory data register.
 incremented by one.
 transferred to address bus.

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Microprocessor
A microprocessor without the interrupt facility

 cannot be used for DMA operation
 is best suited for process control system
 cannot be interfaced with any I/O devices
 is not useful for process control system

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Microprocessor
In 8085 which addressing mode is also called inherent addressing?

Register
Immediate
Implicit
Direct

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 2
 8
 6
 16

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