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Microprocessor

Microprocessor
A field programmable ROM is called

 MROM
 PROM
 FPROM
 FROM

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Microprocessor
Which of the following conditions is not allowed in an RS latch?

R is asserted, S is asserted
R is asserted, S is negated
R is negated, S is asserted
R is negated, S is negated

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Microprocessor
The five flags in 8085 are designated as

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

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 shift registers
 latches
 flags
 counters

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Microprocessor
Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

 CLR A
 SUB A
 MOV A, 00H
 ORA A

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 16
 20
 12
 8

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