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Microprocessor

Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0060H.
 0030H.
 0048H.
 0024H.

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Microprocessor
Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller?

 SRAM & USART
 EPROM, USART & PORTS
 EPROM & PORTS
 SRAM, EPROM & PORTS

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Microprocessor
A field programmable ROM is called

 MROM
 PROM
 FPROM
 FROM

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Microprocessor
Which one of the following ICs is used to interface keyboard and display?

 8253
 8279
 8259
 8251

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

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

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

 CMA
 ANI 0FH
 ORI 0FH
 XRI 0FH

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