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Microprocessor

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

 7
 13
 10
 16

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Microprocessor
Pick out the matching pair

 READY; RIM
 SID; SIM
 HOLD; DMA
 S0;S1;wait status

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Microprocessor
Of the following circuits, the one which involves storage is

Decoder
Mux
RS Latch
Nand

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Microprocessor
After RESET 8255 will be in

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

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Microprocessor
A combinational PLD with a fixed AND array and a programmable OR array is called a

 PAL
 PLD
 PLA
 PROM

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

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