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Microprocessor

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

 1280ns
 960ns
 320ns
 640ns

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Microprocessor
The first machine cycle of an instruction is always

 A fetch cycle
 A memory write cycle
 An I/O read cycle
 A memory read cycle

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Microprocessor
In 8085 which addressing mode is also called inherent addressing?

Register
Implicit
Direct
Immediate

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Microprocessor
When the write enable input is not asserted, the gated D latch _________ its output.

Can not change
Sets
Complements
Clears

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Microprocessor
A microprocessor without the interrupt facility

 is not useful for process control system
 is best suited for process control system
 cannot be interfaced with any I/O devices
 cannot be used for DMA operation

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Microprocessor
While INX B instruction execute,

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

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