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Microprocessor

Microprocessor
In 8086 the number of bytes which can be addressed directly is about

100000
10000
1000
one million

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Microprocessor
Using DeMorgan’s Theorem we can convert any AND-OR structure into

NOR-NAND
OR-NAND
NAND-NAND
NAND-NOR

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

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

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Microprocessor
Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller?

 SRAM, EPROM & PORTS
 SRAM & USART
 EPROM & PORTS
 EPROM, USART & PORTS

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Microprocessor
The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are

 all bits reset (i.e. 00H)
 same as the content of A7-A0
 all bits set (i.e. FFH)
 irrelevant

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Microprocessor
The control flags in 8086 are:

 the direction flag(DF).
 the Trap flag(TF).
 the interrupt flag(IF).
All of these

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MORE MCQ ON Microprocessor

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