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Microprocessor

Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

64 H
234
6 AFH
45 H

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Microprocessor
The address bus of any microprocessor is always

 Unidirectional
 None
 Bi-directional
 Either unidirectional or bi-directional

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Microprocessor
After RESET 8255 will be in

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

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Microprocessor
Register pair used to indicate memory

 H and L
 B and C
 W and Z
 D and E

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Microprocessor
The number of status flags present in 8085 microprocessor are

 16
 5
 8
 10

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Microprocessor
A combinational PLD with a programmable AND array and a fixed OR array is called a

 PLA
 PAL
 PROM
 PLD

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