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Microprocessor

Microprocessor
In Fortran 77 a variable name can contain special characters.

False
True

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 2
 6
 8
 16

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Microprocessor
During which T-state, contents of OP code from memory are loaded into IR (Instruction Register)?

 T3 OP code fetch
 T1 OP code fetch
 T4 OP code fetch
 T2 OP code fetch

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Microprocessor
S0 and S1 pins are used for

None of these
 serial communication
 acknowledging the interrupt
 indicating the processor’s status

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Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 5
 4
 16
 20

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Microprocessor
The address bus of any microprocessor is always

 Either unidirectional or bi-directional
 Unidirectional
 Bi-directional
 None

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