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Microprocessor

Microprocessor
In order to complement the lower nibble of accumulator one can use

 ORI 0FH
 CMA
 ANI 0FH
 XRI 0FH

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Microprocessor
In 8085, the pins for SID and SOD are

3 and 4 respectively
5 and 4 respectively
4 and 5 respectively
4 and 3 respectively

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Microprocessor
Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?

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

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

 18
 12
 16
 8

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Microprocessor
In microprocessor based system I/O ports are used to interface

 all the I/O devices
 the I/O devices and memory chips
 the O/P devices only
 the I/P device only

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Microprocessor
The number of output pins in 8085 microprocessors are

 21.
 27.
 19.
 40.

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