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Microprocessor

Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 285
 512
 256
 65536

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

 higher order address lines
 status lines
None of these
 lower order address lines

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Relational, assignment, arithmetic
Arithmetic, assignment, relational
Assignment, relational, arithmetic
Arithmetic, relational, assignment

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Microprocessor
In a microprocessor based system the stack is always in

 RAM
 microprocessor
 EPROM
 ROM

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Microprocessor
An I/O processor controls the flow of information between

Cache memory and I/O devices
Two I/O devices
Main memory and I/O devices
Cache and main memory

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Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

 To achieve all the functions listed above
 To disable data bus
 Enable the data bus to be used as low order address bus
 To latch data D0-D7 from data bus

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