大学计算机导论练习题及答案详解PPT：Turing机概念与IO子系统分析

Introduction to Computer Science In the world of computer science, the concept of a universal computational device was first introduced by a mathematician in 1937. This mathematician proposed the idea that all computation could be carried out by a special type of machine, now commonly known as a Turing machine. This groundbreaking concept laid the foundation for modern computers as we know them today. The Turing machine is a universal computational device that is capable of performing any computation when provided with the appropriate program. This idea of a universal Turing machine was the first step towards the development of modern computers, which are essential in our everyday lives. When it comes to the operations of a computer, the input/output subsystem plays a crucial role. This subsystem is responsible for managing the input and output operations of a computer system. It ensures that data is properly received from external sources and processed accordingly. In the field of computer science, understanding the input/output subsystem is essential for building and designing efficient and effective computer systems. A solid grasp of this concept allows computer scientists to develop systems that can seamlessly interact with the outside world and perform tasks efficiently. In summary, the concept of a universal computational device, as proposed by the mathematician in 1937, laid the foundation for modern computers. The idea of a Turing machine and its capabilities have revolutionized the world of computer science and technology. Understanding the input/output subsystem is crucial for building efficient computer systems that can effectively interact with external sources and perform tasks with precision. Computer science continues to evolve, and with it, the possibilities and capabilities of modern computers.