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Microprocessor

Microprocessor
The word size of 8085 microprocessor is

 4-bit
 16-bit
 20-bit
 8-bit

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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

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

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

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

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Microprocessor
The control flags in 8086 are:

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

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Microprocessor
IC 7485 cannot be cascadeD.

False
True

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Microprocessor
Maximum of how many devices can be connected simultaneously to the microprocessor via 8257 in DMA data transfer mode?

 4
 10
 8
 6

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