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Microprocessor

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

 RLC
 RRC
 RAL
 RAR

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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
 EI
 RIM
 DI

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

 PROM
 PLD
 PAL
 PLA

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Microprocessor
A number of 1-bit registers used in microprocessors to indicate certain conditions are usually referred to as

 flags
 counters
 shift registers
 latches

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Microprocessor
Identify the programmable interval timer from the following

 8279
 8275
 8252
 8253

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

2^m
log2 (m)
m
2*m

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