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Intel 8086 processor has four 16-bit general purpose registers. Givethe names and explain the functions of them.

Question

Intel 8086 processor has four 16-bit general purpose registers. Givethe names and explain the functions of them.

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Solution

The Intel 8086 processor has four 16-bit general purpose registers. These registers are named AX, BX, CX, and DX.

  1. AX (Accumulator): The AX register is primarily used for arithmetic and logical operations. It is also used for storing intermediate results during calculations.

  2. BX (Base): The BX register is commonly used as a base pointer for memory access. It can also be used for storing memory addresses or as a general purpose register.

  3. CX (Counter): The CX register is often used as a loop counter in iterative operations. It is automatically decremented or incremented during loop iterations.

  4. DX (Data): The DX register is typically used for input/output operations. It is commonly used to hold data for communication with external devices such as keyboards, displays, or serial ports.

These general purpose registers provide flexibility and efficiency in performing various operations in the Intel 8086 processor.

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