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Microprocessor

Microprocessor
Internet is a worldwide network of computers where most of the information is freely available.

True
False

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Microprocessor
The address bus of any microprocessor is always

 None
 Either unidirectional or bi-directional
 Unidirectional
 Bi-directional

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

None of these
 status lines
 lower order address lines
 higher order address lines

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Microprocessor
Consider the following registers: 1. Accumulator and flag register 2. B and C register 3. D and E register 4. H and L register Which of these 8-bit registers of 8085 microprocessor can be paired together to make a 16-bit register?

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

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

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Microprocessor
Which one of the following statement is false?

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

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