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Microprocessor

Microprocessor
If m is a power of 2, the number of select lines required for an m-input mux is:

m
log2 (m)
2^m
2*m

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 logical interrupts
 hardware interrupts
 conditional interrupts
 software interrupts

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Microprocessor
A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as

 Control bus
 Memory bus
 Address bus
 DMA bus

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Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 20
 5
 4
 16

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Microprocessor
The addressing mode in instruction PUSH B is

 register indirect
 immediate
 direct
 register

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

 RAL
 RAR
 RLC
 RRC

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