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Microprocessor

Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 16
 8
 2
 6

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Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 4
 20
 16
 5

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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
Let the content of register C be 00000000 before the instruction DCR C is executed. The content of register C after the after the execution of this instruction will be

 None
 00000000
 11111111
 00000001

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Microprocessor
Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier]

Circuit A has the same number of gates as circuit B
None of these
Circuit A has more gates than circuit B
Circuit B has more gates than circuit A

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

The same as
Less than
Greater than
Cannot be determined

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