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Microprocessor

Microprocessor
The number of interrupt lines in 8085 is

2
4
5
3

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Microprocessor
Which one of the following statement is false?

 A microprocessor has unidirectional address bus
 A microprocessor has bi-directional data bus
 A microprocessor has bi-directional address bus
 A microprocessor has an ALU

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Microprocessor
The operating modes of 8255 A are called

Mode 0 and mode 2
Mode 0, mode 2 and mode 3
Mode 0 and mode 1
Mode 0, mode 1 and mode 2

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

 PLA
 PAL
 PROM
 PLD

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Microprocessor
The microprocessor issues ALE during first T-state of

 memory READ cycle only
 memory WRITE cycle only
 fetch cycle only
 every machine cycle

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Microprocessor
In C the keywords are also called

Special words
Character words
Reserved words
Class words

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