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Microprocessor

Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 8
 12
 16
 18

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Microprocessor
IC 7485 cannot be cascadeD.

False
True

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Microprocessor
What is used to access 16-bit data in 8086?

 Data Banking.
 Memory Banking.
None of these
 Pipeline architecture.

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Microprocessor
A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is

 XCHG & DAD H
 XTHL & DAD H
 XCHG & DAD B
 PCHL & DAD D

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Microprocessor
We say that a set of gates is logically complete if we can build any circuit without using any other kind of gates. Which of the following sets are logically complete

Set of {EXOR, NOT}
None of these
Set of {AND,OR,NOT}
Set of {AND,OR}

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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 unidirectional address bus
 A microprocessor has an ALU

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