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Microprocessor

Microprocessor
IC 7485 cannot be cascadeD.

False
True

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 12
 20
 16
 8

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Microprocessor
Which one of the following statement is false?

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

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Microprocessor
The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is

None of these
 equal to the desired frequency
 twice the desired frequency
 four times the desired frequency

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Microprocessor
What are the sets of commands in a program which are not translated into machine instructions during assembly process, called?

 Identifiers
 Directives
 Mnemonics
 Operands

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Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

 To disable data bus
 To latch data D0-D7 from data bus
 To achieve all the functions listed above
 Enable the data bus to be used as low order address bus

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