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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 8085 name/names of the 16 bit registers is/are

 both A and B.
 none of these.
 program counter.
 stack pointer.

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Microprocessor
The first machine cycle of an instruction is always

 A fetch cycle
 A memory read cycle
 A memory write cycle
 An I/O read cycle

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Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Clock cycle
 Machine cycle
 Memory cycle
 Instruction cycle

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Microprocessor
For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2].

Cannot be determined
Greater than
Less than
The same as

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Microprocessor
The multiplexing of address bus and data buses is used in

 depends on the internal architecture.
 all the microprocessors.
 none of these.
 never multiplexed.

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