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Microprocessor

Microprocessor
Identify the non-programmable interfacing device from the following

 8212.
 8295.
 8257.
 8255.

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Microprocessor
The ROM programmed during manufacturing process itself is called

 EPROM
 EEPROM
 PROM
 MROM

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 16
 5
 8
 10

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Microprocessor
The five flags in 8085 are designated as

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

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Microprocessor
The microprocessor issues ALE during first T-state of

 memory WRITE cycle only
 fetch cycle only
 every machine cycle
 memory READ cycle only

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Microprocessor
Identify the communication interfacing device from the following

 8251
 8255
 8257
 8155

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