Computer technology

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  • The digital computer is a major and central component of a CAD/CAM system, so it is essential to be familiar with the technology of the digital computer and the principles on which it works.

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  • The concept of IT is understood and defined in the Government Resolution 49/CP dated 04/08/1993 signed: Information Technology is a collection of scientific methods, the means of existing techniques and tools university - mainly computer technology and telecommunications - to organize the exploitation and efficient use of resources and information rich potential in all areas of human activity and society.

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  • Computer technology has made incredible progress in the past half century. In 1945, there were no stored-program computers. Today, a few thousand dollars will purchase a personal computer that has more performance, more main memory, and more disk storage than a computer bought in 1965 for $1 million. This rapid rate of improvement has come both from advances in the technology used to build computers and from innovation in computer design. While technological improvements have been fairly steady, progress arising from better computer architectures has been much less consistent.

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  • Computer technology has made incredible progress in the roughly 55 years since the first general-purpose electronic computer was created. Today, less than a thousand dollars will purchase a personal computer that has more performance, more main memory, and more disk storage than a computer bought in 1980 for $1 million. This rapid rate of improvement has come both from advances in the technology used to build computers and from innovation in computer design.

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  • This book is about the structure and function of computers. Its purpose is to present, as clearly and completely as possible, the nature and characteristics of modern-day computers. This task is a challenging one for two reasons. First, there is a tremendous variety of products, from single-chip microcomputers costing a few dollars to supercomputers costing tens of millions of dollars, that can rightly claim the name computer.Variety is exhibited not only in cost, but also in size, performance, and application.

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  • Grid research, rooted in distributed and high performance computing, started in midto- late 1990s when scientists around the world acknowledged the need to establish an infrastructure to support their collaborative research on compute and data intensive experiments. Soon afterwards, national and international research and development authorities realized the importance of the Grid and gave it a primary position on their research and development agenda.

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  • Because of the availability of powerful computational techniques, new modality techniques such as Computer-Aided Tomography (CAT), Magnetic Resonance Imaging (MRI) and others, and because of the new techniques of imaging processing (machine vision), the lives of many patients will be saved, and the quality of all our lives improved. This marriage of powerful computer technology and medical imaging has spawned a new and growing generation of young dynamic doctors who hold PhDs in physics and/or computer science, along with their MDs.

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  • The Computer Revolution: Progress in computer technology: Underpinned by Moore’s Law. Makes novel applications feasible: Computers in automobiles, Cell phones, Human genome project, World Wide Web, Search Engines. Computers are pervasive.

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  • In recent years, virtual reality technology has become a very popular technology, which embodies the newest research achievements in the fields of computer technology, computer graphics, sensor technology, ergonomics, human-machine interaction theory. More and more people devote into this field and commit themselves to its research, development and application. Virtual reality technology has become one of the means for human to explore the world.

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  • Understanding how terrorists conduct successful operations is critical to countering them. Terrorist organizations use a wide range of network technologies as they plan and stage attacks. This book explores the role that these communications and computer technologies play and the net effect of their use, the purpose and

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  • Chapter 1 - Introduction to information technology: The future now. The main contents of this chapter include all of the following: Information technology & your life: the future now; information technology is pervasive: cellphones, email, the internet, & the e-world; information technology is pervasive: cellphones, email, the internet, & the e-world; the “all-purpose machine”: the varieties of computers; understanding your computer; where is information technology headed?

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  • Chapter 9 - The challenges of the digital age: Society & information technology today. The topics discussed in this chapter are: security issues: threats to computers & communications systems; security safeguards: protecting computers & communications; privacy & surveillance: data collection & spies; truth issues: manipulating digital data; quality-of-life issues: the environment, mental health, child protection, & the workplace; economic & political issues: employment & the haves/have nots.

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  • Chapter 7 - Personal technology: the future is you. The topics discussed in this chapter are: Convergence, portability, & personalization; smartphones: more than talk; tablets & e-readers; portable media players; digital cameras: changing photography; high-tech radio: satellite, hybrid digital, & internet digital television; videogame systems: the ultimate convergence machine?

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  • Lecture Note Professional practices in information technology - Lecture No. 3: Professional Ethics & Codes of Conduct. After studying this chapter you will be able to understand: professionalism, traits of a professional, IEEE code of ethics.

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  • After studying this chapter you will be able to understand: What ethical, social, and political issues are raised by information systems? What specific principles for conduct can be used to guide ethical decisions? Why do contemporary information systems technology and the Internet pose challenges to the protection of individual privacy and intellectual property? How have information systems affected everyday life?

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  • After studying this chapter you will be able to understand: What ethical, social, and political issues are raised by information systems? What specific principles for conduct can be used to guide ethical decisions? Why do contemporary information systems technology and the Internet pose challenges to the protection of individual privacy and intellectual property? How have information systems affected everyday life?

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  • After studying this chapter you will be able to understand: What ethical, social, and political issues are raised by information systems? What specific principles for conduct can be used to guide ethical decisions? Why do contemporary information systems technology and the Internet pose challenges to the protection of individual privacy and intellectual property? How have information systems affected everyday life?

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  • Lecture Note Professional practices in information technology - Lecture No. 21: Computer Security Ethics. After studying this chapter you will be able to understand: Hackers’ code of ethics, new(er) hacker ethics, security threats, ethical issues in security courses.

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  • Lecture Note Professional practices in information technology - Lecture No. 22: Ethical Hacking. After studying this chapter you will be able to understand: Ethical hacking, what you can do legally as an ethical hacker, what you cannot do as an ethical hacker.

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  • Intellectual Property simply defined is any form of knowledge or expression created with one's intellect. It includes such things as inventions; computer software; trademarks; literary, artistic, musical, or visual works; and even simply know-how.

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