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Microprocessor

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

234
45 H
64 H
6 AFH

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Microprocessor
During which T-state, contents of OP code from memory are loaded into IR (Instruction Register)?

 T2 OP code fetch
 T3 OP code fetch
 T1 OP code fetch
 T4 OP code fetch

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

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

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Microprocessor
The forms of IF statements in FORTRAN 77 are called

Logical IF and Block IF
Logical IF, block IF and arithmetic IF
Logic IF, block IF, arithmetic IF and negate IF
Logical IF and arithmetic IF

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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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Microprocessor
In an intel 8085A, which is the first machine cycle of an instruction?

 A memory read cycle
 An I/O read cycle
 A memory write cycle
 An op-code fetch cycle

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