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Microprocessor

Microprocessor
Which of the following is type declaration statement in C?

int bar
king = horse + 1
prin = prin * prin
s = s + 1

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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

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

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Microprocessor
After RESET 8255 will be in

 mode 0; all ports are input
 mode 0; all ports are output
 mode 2
 unchanged condition

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Microprocessor
A combinational PLD with a programmable AND array and a fixed OR array is called a

 PAL
 PROM
 PLA
 PLD

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Microprocessor
The program counter in a 8085 micro-processor is a 16-bit register, because

 There are 16 address lines
 It facilitates the user storing 16-bit data temporarily
 It counts 16-bits at a time
 It has to fetch two 8-bit data at a time

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Microprocessor
The address bus of any microprocessor is always

 Bi-directional
 None
 Either unidirectional or bi-directional
 Unidirectional

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