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Microprocessor

Microprocessor
The five flags in 8085 are designated as

D, Z, S, P, AC
Z, CY, S, P and AC
Z, C, S, P, AC
Z, CY, S, D, AC

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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.

 EI
 SIM
 RIM
 DI

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Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

 To achieve all the functions listed above
 To latch data D0-D7 from data bus
 To disable data bus
 Enable the data bus to be used as low order address bus

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Microprocessor
Temporary registers in 8085 are

 H and L.
 B and C.
 D and E.
 W and Z.

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Microprocessor
The stack is nothing but a set of

None of these
 reserved RAM address space
 reserved ROM address space
 reserved I/O address space

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Microprocessor
IC 7485 cannot be cascadeD.

True
False

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