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Microprocessor

Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 244
 245
 247
 246

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Microprocessor
Output of the assembler in machine codes is referred to as

 Source program
 Symbolic addressing
 Macroinstruction
 Object program

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Microprocessor
The microprocessor issues ALE during first T-state of

 fetch cycle only
 memory READ cycle only
 every machine cycle
 memory WRITE cycle only

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Microprocessor
A combinational PLD with a programmable AND array and a fixed OR array is called a

 PLD
 PROM
 PAL
 PLA

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Microprocessor
Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct?

 1 and 2 only
 1, 2, 3 and 4
 3 and 4 only
 1, 2 and 3

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 Stack Pointer.
 H-L.
 D-E.
 Program Counter.

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