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Microprocessor

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

 PLD
 PAL
 PROM
 PLA

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Microprocessor
The reason for the presence of ALE pin in 8085, but not in 6800 is that

 8085 has 5 interrupts lines, whereas 6800 has only two
 8085 has multiplexed bus, whereas 6800 does not have
 None
 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O

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

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Microprocessor
The word size of 8085 microprocessor is

 8-bit
 4-bit
 20-bit
 16-bit

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 13
 27
 30
 40

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Microprocessor
Pick out the matching pair

 S0;S1;wait status
 READY; RIM
 HOLD; DMA
 SID; SIM

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