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Microprocessor

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

 PROM
 PLD
 PAL
 PLA

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 20
 16
 12
 8

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

64 H
6 AFH
45 H
234

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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?

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

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Microprocessor
Which of the following is not a general purpose peripheral?

Programmable interrupt controller
I/O port
Programmable CRT controller
Programmable interval timer

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Microprocessor
What is SIM?

 Sorting interrupt mask.
 Select interrupt mask.
 None of these.
  Set interrupt mask.

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