Questions

Photosynthesis is the process that takes place in leaves that converts light energy into chemical energy or sugars. It occurs in the presence of chlorophyll that is present in leaves as a green pigment, carbondi oxide and water with the help of sun light. So the energy for photosynthesis come from sun light.

LIFO (Last In First Out) stack is used in 8085. in this type of Stack the last stored information can be retrieved first.

A fingernail.

Program counter holds the address of either the first byte of the next instruction to be fetched for execution of the address of the next byte of a multi byte instruction, which has not been completely fetched. In both the cases it gets incremented automatically one by one as the instruction bytes get fetched. Also Program register keeps the address of the next instruction.

Stack pointer is a special purpose 16-bit register in the Microprocessor, which holds the address od the top of the stack.

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