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Microprocessor

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

64 H
45 H
234
6 AFH

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Microprocessor
IC 7485 cannot be cascadeD.

False
True

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Microprocessor
While CMP B instruction executes,

 only carry flag will be affected.
 no flags will be affected.
 only carry and zero flags will be affected.
 all flags will be affected.

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

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

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

 PLA
 PROM
 PLD
 PAL

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Microprocessor
The clock speed of 8085 is

 3.2MHz.
 1KHz.
 3.2KHz.
 1MHz.

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