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Microprocessor

Microprocessor
The ROM programmed during manufacturing process itself is called

 PROM
 EEPROM
 MROM
 EPROM

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Microprocessor
A microprocessor without the interrupt facility

 cannot be used for DMA operation
 cannot be interfaced with any I/O devices
 is not useful for process control system
 is best suited for process control system

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Microprocessor
The clock speed of 8085 is

 3.2KHz.
 1MHz.
 1KHz.
 3.2MHz.

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Microprocessor
Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?

1, 2, 3, 4
1, 2, 4, 3
2, 1, 3, 4
2, 1, 4, 3

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Microprocessor
The five flags in 8085 are designated as

Z, CY, S, P and AC
Z, C, S, P, AC
Z, CY, S, D, AC
D, Z, S, P, AC

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

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