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Microprocessor

Microprocessor
The clock speed of 8085 is

 3.2MHz.
 3.2KHz.
 1KHz.
 1MHz.

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Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

 None of these
 Both ‘b’ and ‘c’
 Execution Unit (EU)
 Bus Interface Unit (BIU)

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Microprocessor
The first machine cycle of an instruction is always

 A memory write cycle
 An I/O read cycle
 A fetch cycle
 A memory read cycle

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Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 0000H
 0043H
 003CH
 002CH

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 40
 27
 30
 13

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Microprocessor
I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct?

 2,3&4
 1,3 &4
 1,2 & 3
 1,2 & 4

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