UNIT - I BASIC STRUCTURE OF COMPUTERS FUNCTIONAL UNITS A computer consists of five functionally independent main parts. They are‚ ➢ Input ➢ Memory ➢ Arithmetic and logic ➢ Output ➢ Control unit Basic functional units of a computer [pic] The operation of a computer can be summarized as follows The computer accepts programs and the data through an input and stores them in the memory.The stored data
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THE VALUE OF COMPUTER EDUCATION TODAY Necessity is the mother of revolution. The saying holds true for computers also because computers were invented as a result of a main search for a fast and an accurate calculating device. A few days ago there were only few computers in our country. They were enormous and expensive machines. Although abacus was invented around 600 B.C. It is interesting to know that it can calculate at an amazing speed. The first mechanical adding machine was invented by Blaise
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When applying for employment by mail a job application letter must accompany your resume. Often times an employer may be flooded by perhaps a stack of a hundred or more resumes on any given day. In such situations‚ getting an interview can represent a major break-through for the job applicant. The job application letter you write can and should be used to substitute for that all-important interview that you may not otherwise get‚ regardless of your qualifications. So‚ construct it wisely. Resumes
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Computer fraud is the use of information technology to commit fraud. In the United States‚ computer fraud is specifically proscribed by the Computer Fraud and Abuse Act‚ which provides for jail time and fines. 1. Unauthorized access at North Bay Abdulswamad Nino Macapayad‚ a former accounts payable clerk for North Bay Health Care Group‚ admitted to using her computer to access North Bay’s accounting software without authorization‚ and in turn issued various checks payable to herself and others.
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HISTORY OF THE COMPUTER ARTICLE WRITTEN BY: ADEBOWALE ONIFADE ELECTRICAL ELECTRONIC ENGINEERING DEPARTMENT UNIVERSITY OF IBADAN NIGERIA REGION 8 HISTORY OF THE COMPUTER ABSTRACT This paper takes a keen look at the history of computer technology with a view to encouraging computer or electrical electronic engineering students to embrace and learn the history of their profession and its technologies. Reedy (1984) quoted Aldous Huxley thus: “that men do not learn very much from the
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Main article: History of computer science Charles Babbage is credited with inventing the first mechanical computer. Ada Lovelace is credited with writing the first algorithm intended for processing on a computer. The earliest foundations of what would become computer science predate the invention of the modern digital computer. Machines for calculating fixed numerical tasks such as the abacus have existed since antiquity‚ aiding in computations such as multiplication and
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American Dream or No American Dream? What is the American Dream? The American Dream is when he/she gets married‚ has a steady income‚ owns a house‚ and has children. Although some people believe that the American Dream is still attainable‚ there are many who believe it is not. The American Dream may be harder to reach now in today’s society‚ but many people believe it to still be attainable. Although are economic times are difficult today‚ those who work hard and persevere through the hardships
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Operating System: An operating system (OS) is a set of software that manages computer hardware resources and provides common services for computer programs. The operating system is a vital component of the system software in a computer system. Application programs require an operating system to function. Types: 1. Real-time A real-time operating system is a multitasking operating system that aims at executing real-time applications. Real-time operating systems often use specialized scheduling
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Technology and Jobs Abstract Have you ever asked yourself whether or not technology may possibly be taking away multiple jobs from us humans? Why is this so? Jobs are becoming increasingly obsolete due to the fact that now‚ the job can be done by a computer. Now‚ when you go to the grocery store‚ there are self-checkout registers in which you‚ the consumer‚ do the work while the cashier’s job becomes less aggravating. Also‚ in the medical field‚ there are many operations and procedures that can
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to be clear that Steve Jobs has a greatest role in the development of the current personal computer industry. This true in the side of software‚ hardware‚ and operating system. In this report I will focus in his role in the development of the current personal computer industry. Steve Jobs innovative idea of a personal computer led him into revolutionizing the computer hardware and software industry. When Jobs was twenty one‚ he and a friend‚ Wozniak‚ built a personal computer called the Apple. The
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