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Microprocessor

Microprocessor
The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is

 960ns
 320ns
 1280ns
 640ns

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Microprocessor
Which one of the following interrupt/interrupts is/are only level triggering?

 RST 5.5
 RST 6.5
 TRAP
 both ‘a’ and ‘b’

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Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0024H.
 0048H.
 0030H.
 0060H.

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Microprocessor
The instruction set of a microprocessor

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

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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.

 RIM
 SIM
 EI
 DI

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Microprocessor
While STC instruction executes,

 all flags will be affected.
 only carry and zero flags will be affected.
 only carry flag will be affected.
 no flags will be affected.

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