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Microprocessor

Microprocessor
Register pair used to indicate memory

 W and Z
 B and C
 D and E
 H and L

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

log2 (m)
2^m
m
2*m

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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
 RIM
 DI
 EI

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Relational, assignment, arithmetic
Arithmetic, relational, assignment
Assignment, relational, arithmetic
Arithmetic, assignment, relational

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Microprocessor
IC 7485 cannot be cascadeD.

True
False

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Microprocessor
The instruction set of a microprocessor

 is specified by the manufacturers
 cannot be changed by the user
 is specified by the user
 is stored inside the microprocessor

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