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In $8085A$ microprocessor, the operation performed by the instruction $LHLD$ $2100_H$ is

  1. $(H)\leftarrow 21_H$  ,  $(L)\leftarrow 00_H$
  2. $(H)\leftarrow M(2100_H)$  ,  $(L)\leftarrow M(2101_H)$
  3. $(H)\leftarrow M(2101_H)$  ,  $(L)\leftarrow M(2100_H)$
  4. $(L)\leftarrow 00_H$  ,  $(H)\leftarrow 21_H$
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