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Microprocessor

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
What are the sets of commands in a program which are not translated into machine instructions during assembly process, called?

 Identifiers
 Mnemonics
 Operands
 Directives

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Arithmetic, relational, assignment
Relational, assignment, arithmetic
Arithmetic, assignment, relational
Assignment, relational, arithmetic

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Microprocessor
The operations executed by two or more control units are referred as

 Macro-operations
 Multi-operations
 Micro-operations
 Bi control-operations

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the sequence in which memory contents are fetched by it
 the stack pointer
 its internal registers
 the program counter

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Microprocessor
Identify the programmable DMA controller from the following

 8251
 8257
 8279
 8253

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