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Microprocessor

Microprocessor
Which of the following is a valid integer constant?

127
125 + 3
127
127

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Microprocessor
The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate number of wait state clock cycles denoted by Tw. The wait states are always inserted between

 T1 & T2
 T2 & T3
 T4 & T1
 T3 & T4

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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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Microprocessor
Output of the assembler in machine codes is referred to as

 Object program
 Macroinstruction
 Symbolic addressing
 Source program

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Microprocessor
Register pair used to indicate memory

 H and L
 D and E
 B and C
 W and Z

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Microprocessor
HLT opcode means

  load accumulator with contents of register.
  load data to accumulator.
  store result in memory.
  end of program.

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