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Microprocessor

Microprocessor
During OPCODE fetch the state of S0 and S1 is

 01
 11
 10
 00

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Microprocessor
The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate number of wait state clock cycles denoted by Tw. The wait states are always inserted between

 T4 & T1
 T1 & T2
 T2 & T3
 T3 & T4

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Microprocessor
The ROM programmed during manufacturing process itself is called

 EEPROM
 EPROM
 PROM
 MROM

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Microprocessor
The multiplexing of address bus and data buses is used in

 depends on the internal architecture.
 none of these.
 all the microprocessors.
 never multiplexed.

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

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

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Microprocessor
In order to complement the lower nibble of accumulator one can use

 ANI 0FH
 ORI 0FH
 CMA
 XRI 0FH

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