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Microprocessor

Microprocessor
The number of output pins in 8085 microprocessors are

 19.
 40.
 27.
 21.

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Microprocessor
Pick up the programmable interrupt controller from the following

 8259
 8257
 8275
 8279

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Microprocessor
The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is

 320ns
 960ns
 1280ns
 640ns

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Microprocessor
Which of the following is a valid integer constant?

127
125 + 3
127
127

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Microprocessor
Identify the programmable interval timer from the following

 8253
 8275
 8279
 8252

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Arithmetic, relational, assignment
Arithmetic, assignment, relational
Assignment, relational, arithmetic
Relational, assignment, arithmetic

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