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Microprocessor

Microprocessor
The word size of 8085 microprocessor is

 8-bit
 4-bit
 20-bit
 16-bit

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Microprocessor
The operating modes of 8255 A are called

Mode 0 and mode 1
Mode 0, mode 1 and mode 2
Mode 0, mode 2 and mode 3
Mode 0 and mode 2

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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?

 Operands
 Mnemonics
 Directives
 Identifiers

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Microprocessor
Consider the following I) Sign flag II) Trap flag III) Parity flag IV) Auxiliary carry flag. Which one of the above flags is/are present in 8085 microprocessor?

 (I) & (II)
 (II) & (III)
 (I) only
 (I) ,(III) & (IV)

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

 18
 12
 8
 16

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Microprocessor
What is mean by ALU

 Arithmetic logic unsigned
 Arithmetic logic unit
 Arithmetic logic upgrade
 Arithmetic local unsigned

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