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  • INTERVIEW QUESTIONS HARDWARE HARDWARE AND SOFTWARE DESIGN DETAILS
    Question :
    What is a Turing machine?
    Category Hardware and Software Design Interview Questions
    Rating (0.4) By 838 users
    Added on 10/13/2005
    Views 2867
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    Answers:

    A Turing machine is a theoretical computing machine invented by Alan Turing (1937) to serve as an idealized model for mathematical calculation. A Turing machine consists of a line of cells known as a "tape" that can be moved back and forth, an active element known as the "head" that possesses a property known as "state" and that can change the property known as "color" of the active cell underneath it, and a set of instructions for how the head should modify the active cell and move the tape. At each step, the machine may modify the color of the active cell, change the state of the head, and then move the tape one unit to the left or right.

    Submitted by vipul gupta (creator_vipul@rediffmail.com)



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