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Microprocessor

Microprocessor
Total number of modes the 8253 can work

 12
 6
 4
 8

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Microprocessor
The ROM programmed during manufacturing process itself is called

 PROM
 EPROM
 EEPROM
 MROM

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Microprocessor
A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as

 Control bus
 DMA bus
 Memory bus
 Address bus

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Microprocessor
________is the only non-vectored interrupt in 8085 microprocessor.

 RST 5.5
 TRAP
 RST 7
 INTR

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Microprocessor
The operations executed by two or more control units are referred as

 Bi control-operations
 Multi-operations
 Macro-operations
 Micro-operations

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

 D-E
 B-C
 PSW
 Stack Pointer

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