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Microprocessor

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

 RST 5.5
 INTR
 RST 7
 TRAP

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Microprocessor
A structure that stores a number of bits taken “together as a unit” is a

Gate
Decoder
Register
Mux

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Microprocessor
Which of the following pair of gates can form a latch?

A pair of cross coupled OR
A pair of cross copled AND
A cross coupled NAND/OR
A pair of cross coupled NAND

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Microprocessor
Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct?

 1, 2, 3 and 4
 1 and 2 only
 1, 2 and 3
 3 and 4 only

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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
A field programmable ROM is called

 FPROM
 MROM
 FROM
 PROM

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