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Microprocessor

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

 PLD
 PROM
 PLA
 PAL

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Microprocessor
The 8085 microprocessor uses a crystal of frequency 6.25 Mhz. The T-state value is

 640ns
 1280ns
 320ns
 960ns

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Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 0000H
 002CH
 0034H
 003CH

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Microprocessor
Pick up the programmable interrupt controller from the following

 8279
 8257
 8259
 8275

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Microprocessor
Which one of the following statement is false?

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

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Microprocessor
Total number of modes the 8253 can work

 6
 12
 8
 4

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