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Microprocessor

Microprocessor
Which of the following is type declaration statement in C?

prin = prin * prin
int bar
s = s + 1
king = horse + 1

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Microprocessor
After RESET 8255 will be in

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

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Microprocessor
Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register?

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

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Microprocessor
In 8085, the pins for SID and SOD are

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

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Microprocessor
An 8-bit microprocessor can have ………….. address lines.

 cannot be predicted
 8
 32
 16

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Microprocessor
The operating modes of 8255 A are called

Mode 0 and mode 1
Mode 0 and mode 2
Mode 0, mode 2 and mode 3
Mode 0, mode 1 and mode 2

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