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Microprocessor

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

 PAL
 PLD
 PROM
 PLA

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220
 220-1
 20
 220 - 1

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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 an ALU
 A microprocessor has bi-directional address bus

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Microprocessor
Identify the non-programmable interfacing device from the following

 8257.
 8212.
 8295.
 8255.

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Microprocessor
The clock speed of 8085 is

 1MHz.
 3.2KHz.
 1KHz.
 3.2MHz.

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Microprocessor
Total number of modes the 8253 can work

 6
 4
 12
 8

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