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Microprocessor

Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 16
 12
 8
 18

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Microprocessor
Which instruction is required to rotate the content of accumulator one bit right along with carry?

 RAR
 RAL
 RRC
 RLC

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

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Microprocessor
When any data transfer instruction, to transfer the data from memory to microprocessor, is executed the condition flags are

 not affected
 always set
 always reset
 affected indicating specific conditions

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Microprocessor
The characteristics of RESET OUT signal is/are

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

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Microprocessor
In one’s complement 8 bit representation 11111111 represents

1
-1
+0
-0

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