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Microprocessor

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

Both B and C
EEPROM
UVEPROM
RAM

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Microprocessor
In 8086 the number of bytes which can be addressed directly is about

one million
10000
1000
100000

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Microprocessor
_____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts.

 DI
 EI
 SIM
 RIM

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

 16
 6
 2
 8

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Microprocessor
Which of the data transfer is not possible in microprocessor

 I/O device to accumulator
 memory to memory
 memory to accumulator
 accumulator to memory

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Microprocessor
Which of the following is a valid integer constant?

125 + 3
127
127
127

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