of the military and industry in the development of electronics‚ computers‚ and information theory. After the 1940s‚ the military remained the major source of research and development funding for the expansion of automation to replace manpower with machine power. Since the 1950s‚ four generations of computers have evolved. Each generation reflected a change to hardware of decreased size but increased capabilities to control computer operations. The first generation used vacuum tubes‚ the second used
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ksheetIntroduction to computers Directions: Fill in the blank. 1. Microcomputers‚ different from those giant mainframes and supercomputers‚ are designed for individuals. In fact‚ the microcomputer is often called the PC 2. DESKTOP and LAPTOP computers are the most commonly seen microcomputers. 3. Just like human beings‚ computers communicate through receiving and sending messages. We refer to those message receiving components as INPUT devices and those which send messages as OUTPUT
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Computers in Health Care In all aspects of life—home‚ work‚ socially—a basic understanding of computer operation is by and large a necessity. Even the medical field has become dependent on computers‚ both to record vital patient information‚ but also for billing‚ researching maladies‚ and prescribing medicines. This report takes a look at how and why health care professionals use computers‚ where computers are used in the health care system‚ and how all this new technology is affecting the medical
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Computer Organization & Architecture Lecture #12 Organization and Architecture Computer Architecture Those attributes of the system that are visible to a programmer. Those attributes that have a direct impact on the execution of a program. • • • • Instruction sets Data representation – number of bits used to represent data Input/Output mechanisms Memory addressing techniques Computer Organization The operational units and their interconnections that realize the architectural specifications. Those
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Types of computers Firstly‚ what is a computer? Well‚ a modern computer is typically an electronic or digital device that manipulates data. Computers can execute a pre-recorded list of instructions know as a “programme”. Large amounts of data can be stored on computers and be quickly accessed‚ edited and stored. When it comes to computers there are several different types: * High Performance System (HPS) * Workstations * Personal Computer * Laptop / Notebook * Palmtop These
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Computers are the best way of teaching subjects to students. These days‚ all schools and colleges have computer labs where they receive practical training from their teachers. Computers assist teachers in teaching their students easily and quickly. With the help of computers and the broadband Internet facility‚ students can search for the concepts or things which they wish to know‚ by referring to relevant websites. The Internet is an ocean of information and surfing daily will increase the knowledge
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101ED Concept of a Computer System The Computer System Concept. A computer is more than a high-powered collection of electronic devices performing a variety of information processing chores. A computer is a system‚ an interrelated combination of components that performs the basic system functions of input‚ processing‚ output‚ storage‚ and control‚ thus providing end users with a powerful information processing tool. Understanding the computer as a computer system is vital to the effective
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evolution of computer describing the technologies used in different generations. The evolution of computers started way back in the late 1930s. Binary arithmetic is at the core of the computers of all times. History of computers dates back to the invention of a mechanical adding machine in 1642. Abacus‚ an early computing tool‚ invention of logarithm by John Napier and the invention of slide rules by William Oughtred were significant events in the evolution of computers. Evolution of computer technology
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Argumentative Writing Topic: We are becoming overwhelmingly dependent on computers. Is thisdependence on computers a good thing or should we be more suspicious of their benefits? Introduction Computers are‚ without a doubt‚ a useful tool that many of us use every day. Sincetheir invention‚ people far and wide have become increasingly dependent oncomputers. Computers have found their way into just about every aspect of our lives‚ and in most cases‚ they make things easier for us. They allow us
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PART 1 : WORK PATTERNS Lesson 1: Computers on the Job: How Workers use computers The companies that use large computer system today are mostly the same companies that used them 30 to 40 years ago: corporations that have the big budget. These organizations – typically banks; insurance firms and aerospace companies – were the pioneers. The computers used were potent by then-current standards‚ even though today’s personal computers would provide a competitive edge. This turned out to be
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