Hardware | * Hardware before 1960 * Hardware 1960s to present * Hardware in Soviet Bloc countries | Computer science | * Artificial intelligence * Compiler construction * Computer science * Operating systems * Programming languages * Software engineering | Modern concepts | * Graphical user interface * Internet * Personal computers * Laptops * Video games * World Wide Web | Timeline of computing | * 2400 BC–1949 * 1950–1979 * 1980–1989
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Section 1 Introduction 1.1 COMMUNICATIONS Computer communications is the process of sharing data‚ programs‚ and information between two or more computers. We have discussed numerous applications that depend on communication systems‚ including: • E-mail – Provides a fast‚ efficient alternative to traditional mail by sending and receiving electronic documents. • Instant messaging – Supports direct‚ “live” electronic communication between two or more friends or buddies. • Internet
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professions. In elementary school he quickly surpassed all of his peer’s abilities in nearly all subjects‚ especially math and science. His parents recognized his intelligence and decided to enroll him in Lakeside‚ a private school known for its intense academic environment. This decision had far reaching effects on Bill Gate’s life. For at Lakeside‚ Bill Gates was first introduced to computers. BILL GATES: CHAIRMAN William (Bill) H. Gates is chairman of Microsoft Corporation‚ the worldwide leader
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2 Fundamentals of Computer Systems You need to be able to: (a) define a computer system (b) describe the importance of computer systems in the modern world (c) explain the need for reliability in computer systems (d) explain the need for adherence to suitable professional standards in the development‚ use and maintenance of computer systems (e) explain the importance of ethical‚ environmental and legal considerations when creating computer systems. What is a computer system? At its very basic
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Introduction of Computers What is Computer. Computer is an electronic machine‚ which accepts instructions‚ commands and information‚ based on the information process the given information at Ultra High Speed and produce the result on the screen and printer. Qualities of Computer. Possess the following:- a. Ultra High Speed b. Accuracy c. Huge Capacity for Storage d. Decision Making Ability Main Parts of Computers. Following are the main parts
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undercut most competitors and gain local market power. • On-site and pick-up/drop-off services: This will minimize the time and effort a customer needs to put into dealing with his computer problem. • Surprisingly‚ our small size is an advantage: customers will recognize us (and future employees)‚ and will know they will get the same great service every time they call. 4.1 Implementation Because we are the one-stop solutions center for your entire computer needs. Not only can we support your
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Computer Fundamentals Computer is an electronic device that manipulates data according to set of instructions and produce a meaningful result. • Computers are not very intelligent devices‚ but they handle instructions flawlessly and fast. • They must follow explicit directions from both user and computer programmer. • Computers are really nothing more than a very powerful calculator with some great accessories. • Applications like word processing and games are just a very
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13 Prof. Anatoly Sachenko Computer Hardware I. LECTURE OVERVIEW Foundation Concepts: Computer Hardware‚ reviews trends and developments in microcomputer‚ midrange‚ and mainframe computer systems; basic computer system concepts; and the major types of technologies used in peripheral devices for computer input‚ output‚ and storage. Computer Systems – Major types of computer systems are summarized in Figure 13.2. A computer is a system of information processing components that perform
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HISTORY OF COMPUTER THE PRE-MECHANICAL AGE: 3000 B.C. – 1450 A.D. 1. Writing and Alphabets – Communication First development of signs corresponding to spoken sounds‚ instead of pictures‚ to express words. Around 2000 B.C.‚ Phoenicians created symbols that expressed single syllables and consonants (the first true alphabet) The Greeks later adopted the Phoenician alphabet and added vowels; the Romans gave the letters Latin names to create the alphabet we use today. 2. Paper
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Computer Mouse: Consumer Driven Innovation The computer mouse controls the pointer on a computer screen‚ allowing a user to navigate throughout programs‚ websites‚ etc. The mouse is moved around a surface by the user’s hand in order to translate that movement to the pointer on the computer screen. Computers were only invented shortly before the earliest mice were developed‚ and there were very few computers around. There was little demand for an invention like this‚ but before the mouse was invented
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