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Microprocessor

Microprocessor
The number of output pins in 8085 microprocessors are

 40.
 21.
 27.
 19.

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Microprocessor
In microprocessor based system I/O ports are used to interface

 the I/P device only
 the I/O devices and memory chips
 the O/P devices only
 all the I/O devices

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Microprocessor
After RESET 8255 will be in

 mode 0; all ports are output
 mode 2
 mode 0; all ports are input
 unchanged condition

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

Both B and C
UVEPROM
RAM
EEPROM

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Microprocessor
The five flags in 8085 are designated as

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

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Microprocessor
A field programmable ROM is called

 FPROM
 PROM
 FROM
 MROM

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