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

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

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Microprocessor
Ready pin of microprocessor is used

 to introduce wait state
 to indicate that microprocessor is ready to receive inputs
 to provide direct memory access
 to indicate that microprocessor is ready to receive outputs

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Microprocessor
ALU (Arithmetic and Logic Unit ) of 8085 microprocessor consists of

 Accumulator, temporary register, arithmetic, logic circuits and five flags
 Accumulator, arithmetic, logic circuits and five flags
 Accumulator, temporary register, arithmetic and logic circuits
 Accumulator, arithmetic and logic circuits

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