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Microprocessor

Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 18
 8
 16
 12

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Microprocessor
Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields?

 1, 2, 3 and 4
 2, 4, 1 and 3
 1, 3, 2 and 4
 2, 1, 4 and 3

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Microprocessor
________is the only non-vectored interrupt in 8085 microprocessor.

 INTR
 TRAP
 RST 7
 RST 5.5

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

 Flag register
 Accumulator
 Process status register
 Condition code register

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 0043H
 003CH
 002CH
 0000H

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Microprocessor
In C the keywords are also called

Special words
Character words
Reserved words
Class words

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