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Microprocessor

Microprocessor
IC 7485 cannot be cascadeD.

False
True

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Microprocessor
The ROM programmed during manufacturing process itself is called

 EEPROM
 EPROM
 MROM
 PROM

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

 320ns
 960ns
 640ns
 1280ns

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Microprocessor
While CMP B instruction executes,

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

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Microprocessor
S0 and S1 pins are used for

 indicating the processor’s status
 serial communication
None of these
 acknowledging the interrupt

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Microprocessor
SPHL instruction copies the content of H-L register pair to the _________.

 PSW
 Stack Pointer
 D-E
 B-C

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