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Microprocessor

Microprocessor
A 37 bit mantissa has an accuracy of

11 decimal places
8 decimal places
6 decimal places
10 decimal places

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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

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

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Microprocessor
A microcomputer consists of

 I/O device
 memory
All of these
 a microprocessor

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 Program Counter.
 H-L.
 Stack Pointer.
 D-E.

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Microprocessor
Which one of the following ICs is used to interface keyboard and display?

 8253
 8279
 8259
 8251

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Microprocessor
Which of the following is a valid integer constant?

125 + 3
127
127
127

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