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Microprocessor

Microprocessor
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

True
False

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Microprocessor
The 8085 microprocessor enters into bus idle machine cycle whenever

 RST 7.5 is recognized
 INTR interrupt is recognized
 DAD RP instruction is executed
None of these

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Microprocessor
The characteristics of RESET OUT signal is/are

 indicates that µp is being reset.
 this signal can be used to reset other devices.
 all.
 the signal is synchronized to the processor clock.

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Microprocessor
The stack pointer

 resides in microprocessor
 resides in RAM
 may be in RAM or ROM
 resides in ROM

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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
In 8085 name/names of the 16 bit registers is/are

 none of these.
 stack pointer.
 program counter.
 both A and B.

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