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Microprocessor

Microprocessor
A microcomputer consists of

 a microprocessor
 I/O device
All of these
 memory

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

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Condition code register
 Accumulator
 Flag register
 Process status register

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Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 256
 65536
 512
 285

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Microprocessor
Identify the non-maskable interrupt from the following

 RST 4.5
 RST 6.5
 RST 7.5
 RST 5.5

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 16
 8
 20
 12

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