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Microprocessor

Microprocessor
In 8085 which addressing mode is also called inherent addressing?

Immediate
Implicit
Register
Direct

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 010001000
 11000100
 00000100
 01000000

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Microprocessor
The ROM programmed during manufacturing process itself is called

 MROM
 EEPROM
 EPROM
 PROM

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

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

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Microprocessor
PSW stands for

 none
 flag byte
 accumulator contents
 accumulator and flag register contents

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Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

 Enable the data bus to be used as low order address bus
 To achieve all the functions listed above
 To disable data bus
 To latch data D0-D7 from data bus

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