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Microprocessor

Microprocessor
In Fortran 77 a variable name can contain special characters.

True
False

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

RAM
Both B and C
EEPROM
UVEPROM

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Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

 2, 3, 5
 1, 3, 4
 1, 3, 5
 1, 2, 5

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Microprocessor
Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller?

 SRAM, EPROM & PORTS
 EPROM & PORTS
 EPROM, USART & PORTS
 SRAM & USART

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Microprocessor
Which of the data transfer is not possible in microprocessor

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

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Microprocessor
The processor status word of 8085 microprocessor has five flags namely:

 S, Z, AC, P, CY
 S, OV, AC, P, CY
 S, Z, OV, P, CY
 S, Z, AC, P, OV

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