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Microprocessor

Microprocessor
In order to complement the lower nibble of accumulator one can use

 ORI 0FH
 ANI 0FH
 XRI 0FH
 CMA

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Microprocessor
Of the following circuits, the one which involves storage is

RS Latch
Mux
Decoder
Nand

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Microprocessor
If the sign bit of mantissa is 0 and the exponent is increased from a positive to a more negative number the result is

A larger floating point number
A negative floating point number
Either A or B depending on the actual number
A smaller floating point number

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Microprocessor
The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is

 equal to the desired frequency
None of these
 twice the desired frequency
 four times the desired frequency

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Microprocessor
In one’s complement 8 bit representation 11111111 represents

-1
-0
+0
1

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Microprocessor
________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line.

 DI
 RIM
 EI
 SIM

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