History of Computer Introduction Man’s progress is measured by sophistication of his tools. First‚ he discovered how to control fire. Eventually‚ he invented the wheel. He built boats and earned to harness the wind. As soon as commerce developed in the early societies‚ people recognized the need to calculate and keep track of information. They soon devised simple computing devices and bookkeeping systems to enable them to add‚ subtract‚ and simple record transactions. Today‚ we are witnessing
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6/22/2012 Generations of Computer Computer Age: Past‚ Present‚ and Future The First generation The Second Generation The Third Generation The Fourth Generation The Fifth Generation The Computer Age 1951-1958 The First Generation Vacuum Tube – – Rapid changes Four generations over 50 years Trends across generations – Decrease size – Increase speed Magnetic core memory Storage – – Heat Burnout Machine language Punched cards Tape (1957) Characteristics of 1st Generation
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CHAPTER ONE COMPUTER SYSTEM FUNDAMENTALS 1.1 Computer System as a Universal Tool A computer system is an electronic device that accepts inputs; transform the input through some processes to obtain output or information that can aid effective decision making. Information originated from raw data which by its own simple definition is any raw fact or figure that can be subjected to a form of manipulation before it can be trusted for decision making. Data can originate from various sources depending
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Date | Event | c. 2400 BC | The abacus - the first known calculator‚ was probably invented by the Babylonians as an aid to simple arithmetic around this time period. This laid the foundations for positional notation and later computing developments. | 1300 | Ramon Llull invented the Lullian Circle: a notional machine for calculating answers to philosophical questions (in this case‚ to do with Christianity) via logical combinatorics. This idea was taken up by Leibniz centuries later‚ and is thus
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1 Computer Games Computer games are programs that enable a player to interact with a virtual game environment for entertainment and fun. There are many types of computer games available‚ ranging from traditional card games to more advanced video games such as role playing games and adventure games. In this chapter‚ we first discuss the different types of computer games. The architecture of computer games is also described. Finally‚ the programming environment that is used to build the computer
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BYTE 1 Teaching Guide Contents Introduction to the series For the instructor Introduction to the Teaching Guides Features of the Teaching Guides A practical approach Issues involved in using computers Ideas on class management Some ideas for practical application Unit 1: The evolution of computers Teaching objectives Learning outcomes Introduction for the teacher Sample lesson plan for a 40-minute period Suggested answers to end-of-unit questions Additional information for the teacher Activity
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a set of instructions that tells the computer to perform a particular task. Programming – refers to the process of designing and creating computer programs. Programming Language - a software tool that facilitates the translation of human instructions to a form that computers can understand. Programmer - a person who can design‚ create‚ and maintain computer programs. Algorithm - a step by step solution of a problem. Levels of Programming Languages 1. High-level Languages
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Computers – An Introduction A computer is defined as an electronic device that accepts input‚ processes it as per the given instructions and produces meaningful output. The term computer is used to describe a device which is combination of electronic and electromechanical devices. It is derived from the word “Compute” which means Calculation. “Charles Babbage” is known as the father of the computer. Data and Information Data refers to raw facts that are gathered and fed to the computer. A computer
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Computer Science vs. Computer Engineering Moving from High School to college is often a rollercoaster on the mind of most students. After the appliance and acceptance process‚ we then encounter a bigger question: What will our major be? As a computer and technology lover‚ I had a hard time understanding and choosing between computer science and computer engineering; even though I already knew that I wanted to study computers. People often think that studying computer science is the same as studying
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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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