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Microprocessor

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

 512
 285
 256
 65536

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Microprocessor
The data bus of any microprocessor is always

 Bi-directional
 Either unidirectional or bi-directional
 None
 Unidirectional

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Microprocessor
Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier]

Circuit A has more gates than circuit B
None of these
Circuit A has the same number of gates as circuit B
Circuit B has more gates than circuit A

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

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Microprocessor
In a microprocessor based system the stack is always in

 ROM
 EPROM
 microprocessor
 RAM

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Microprocessor
While STC instruction executes,

 no flags will be affected.
 all flags will be affected.
 only carry flag will be affected.
 only carry and zero flags will be affected.

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MORE MCQ ON Microprocessor

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