Computer Mouse Mouse is a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad. The main goal of any mouse is to translate the motion of your hand into signals that the computer can use. The mouse was first invented by Douglas Engelbart in 1964 and consisted of a wooden shell‚ circuit board and two metal wheels that came into contact with the surface it was being used on. Six years after Engelbart made the mouse they
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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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Computer misuse: Computer and internet availability is not a big issue now. Most of the people try to misuse the computer resources. Some willing misuse the computer and some people unknowingly misuse the law. Mentioned below are the categories of computer misuse. Computer hacking: Computer hacking is a technique of taking access over the unpermitted network or modem or other devices and the internet. The hackers usually try to grant admittance to the passwords and several different security sites
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Computer Animation Computer animators work to bring objects to life through the use of computer graphics. Like traditional animators‚ computer animators manipulate graphics and images to simulate movement. However‚ unlike traditional animators‚ computer animators use digital technology to create new visual effects and motions that help avoid the monotonous‚ frame-by-frame drawing required for each picture. Computer animation is a very lucrative business and shows no sign of slowing down in the future
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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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Title: "The Computer Nut" Author: Betsy Byars Setting: "The Computer Nut" takes place in Kate’s small town. Overall‚ the different settings are in her house‚ in school‚ at a carwash‚ at Willie Lomax’s house‚ her dad’s office‚ a pep rally at her school’s football rally‚ and that’s basically where all the action takes place. Most of the time‚ the action takes place during the day. Towards the ending‚ however‚ most of the action takes place at night around 8 pm- 9pm. Major Characters: The main character
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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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Computer Organization with Assembly Language Digital Computer: A digital computer is a fast electronic calculating machine that accepts digitized input information‚ processes it according to a list of internally stored instructions‚ and produces the resulting output information. Types of Computers: 1. Personal Computers 2. Workstations 3. Mainframes 4. Supercomputers Basic Operation of a Computer 1. The computer accepts information in the form of programs and data through an
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White-collar crime‚ specifically computer crime‚ is becoming more popular as computers become more readily available. Crimes using computers and crimes against computers are usually committed without fear of being caught‚ due to the detachment of the offender from the victim. Computer crime is defined as‚ “Criminal activity directly related to the use of computers‚ specifically illegal trespass into the computer system or database of another‚ manipulation or theft of stored or on-line data‚ or sabotage
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