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Microprocessor

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

 16
 13
 7
 10

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Microprocessor
________is the only non-vectored interrupt in 8085 microprocessor.

 RST 5.5
 TRAP
 INTR
 RST 7

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Microprocessor
After RESET 8255 will be in

 unchanged condition
 mode 2
 mode 0; all ports are input
 mode 0; all ports are output

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Microprocessor
The operations executed by two or more control units are referred as

 Macro-operations
 Multi-operations
 Bi control-operations
 Micro-operations

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Microprocessor
In one’s complement 8 bit representation 11111111 represents

1
-0
+0
-1

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit data bus
 8-interrupt lines
 8-bit controller
 8-bit address bus

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