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Which of the following is a single chip based device that is a complete processor in itself and is capable of performing arithmetic and logical operations?
1. Microprocessor
2. Multiprocessing
3. Operating System
4. Modem

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Correct Answer - Option 1 : Microprocessor

The correct answer is Microprocessor.

  • A microprocessor is a single chip-based device that is a complete processor in itself and is capable of performing arithmetic and logical operations.
    • It is a controlling unit of a micro-computer, fabricated on a small chip.
    • The microprocessor contains millions of tiny components like transistors, registers, and diodes that work together.

  • The microprocessor consists of an ALU, register array, and a control unit.
    • ALU performs arithmetical and logical operations on the data received from the memory or an input device.
    • Register array consists of registers identified by letters like B, C, D, E, H, L and accumulator.
    • The control unit controls the flow of data and instructions within the computer.
  • The microprocessor follows a sequence: Fetch, Decode, and then Execute.
  • Clock Speed determines the number of operations per second the processor can perform.
    • It is expressed in megahertz (MHz) or gigahertz (GHz). It is also known as Clock Rate.

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