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Microprocessor

Microprocessor
Internet is a worldwide network of computers where most of the information is freely available.

True
False

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Microprocessor
Using one 8259 IC is equivalent to providing …………. INTR pins on 8085

 16
 18
 12
 8

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Microprocessor
While CMP B instruction executes,

 no flags will be affected.
 only carry and zero flags will be affected.
 all flags will be affected.
 only carry flag will be affected.

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Microprocessor
Identify the non-programmable interfacing device from the following

 8212.
 8255.
 8295.
 8257.

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Microprocessor
The addressing mode in instruction PUSH B is

 immediate
 direct
 register indirect
 register

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Microprocessor
After RESET 8255 will be in

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

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