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Microprocessor

Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RAR
 RLC
 RRC
 RAL

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

 PLD
 PROM
 PAL
 PLA

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Microprocessor
An 8-bit microprocessor signifies that

 8-interrupt lines
 8-bit address bus
 8-bit data bus
 8-bit controller

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 incremented by one.
 transferred to memory address register .
 transferred to address bus.
 transferred to memory data register.

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Microprocessor
_____________is used to read the status of the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by loading into the A register a byte which defines the condition of the mask bits for the interrupts.

 SIM
 DI
 RIM
 EI

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 245
 244
 246
 247

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