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Microprocessor

Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 10
 13
 7
 16

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

 8
 6
 16
 2

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Microprocessor
Which of the following interrupt is both level and edge sensitive?

 INTR
 RST 7.5
 RST 5.5
 TRAP

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

 5
 20
 16
 4

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Microprocessor
The clock speed of 8085 is

 1MHz.
 1KHz.
 3.2MHz.
 3.2KHz.

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Microprocessor
‘Burst refresh’ in DRAM is also called

Distributed refresh
Concentrated refresh
Hidden refresh
None of these

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