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Microprocessor

Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 1 K bytes
 10 K bytes
 8 K bytes
 4 K bytes

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Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 serial I/O is not possible
 there is a pin available for serial output
 serial I/O is possible through SIM and RIM instruction
 there is a pin available for serial input

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Microprocessor
A microprocessor without the interrupt facility

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

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Microprocessor
Which of the following is not a general purpose peripheral?

Programmable interval timer
Programmable CRT controller
Programmable interrupt controller
I/O port

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Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 PSW
 Stack Pointer
 B-C
 D-E

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Microprocessor
The address bus of any microprocessor is always

 None
 Bi-directional
 Either unidirectional or bi-directional
 Unidirectional

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