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Microprocessor

Microprocessor
The clock speed of 8085 is

 3.2KHz.
 1MHz.
 3.2MHz.
 1KHz.

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Microprocessor
The control flags in 8086 are:

 the direction flag(DF).
 the Trap flag(TF).
All of these
 the interrupt flag(IF).

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

 PROM
 PLA
 PAL
 PLD

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 245
 247
 244
 246

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Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

 Instruction decoding.
 All the above.
 Instruction fetch.
 Arithmatic and Logic operations.

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Microprocessor
Consider the following I) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flag. Which one of the above flags is/are present in 8085 microprocessor?

 (II) & (III)
 (I) only
 (I) & (II)
 (I) ,(III) & (IV)

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