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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:

2^m
log2 (m)
2*m
m

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Microprocessor
Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional

 A is true but R is false
 Both A & R are true but R is not the correct explanation of A
 A is false but R is true
 Both A & R are true and R is the correct explanation of A

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Microprocessor
________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line.

 DI
 EI
 SIM
 RIM

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Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 PSW
 D-E
 B-C
 Stack Pointer

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

 PLD
 PAL
 PROM
 PLA

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Microprocessor
In Fortran 77 a variable name can contain special characters.

True
False

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