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Microprocessor

Microprocessor
A structure that stores a number of bits taken “together as a unit” is a

Gate
Decoder
Mux
Register

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Microprocessor
SUB A instruction in 8085

 reset zero and parity flags
 sets zero and carry flags
 sets zero and sign flags
 reset carry and sign flags

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

m
2^m
log2 (m)
2*m

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Microprocessor
An e-mail message can be sent to many recipients.

True
False

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Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

 1, 3, 5
 1, 2, 5
 2, 3, 5
 1, 3, 4

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 2
 6
 16
 8

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