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Microprocessor

Microprocessor
In one’s complement 8 bit representation 11111111 represents

-0
+0
1
-1

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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 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
In microprocessor based system DMA refers to

 direct memory access for the user
 direct memory access for microprocessor
None of these
 direct memory access for the I/O device

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

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

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Microprocessor
Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional

 Both A & R are true and R is the correct explanation of A
 A is false but R is true
 Both A & R are true but R is not the correct explanation of A
 A is true but R is false

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