COMPUTER FUNDAMENTALS SECTION A PART ONE MULTIPLE CHOICES: 1. (b) Two types. 2. (b) 1 or more input signals to produce output. 3. (d) Both (a) and (c). 4. (b) Non-volatile. 5. (c) Direct-access storage device. 6. (c) Multiple object program files of any software. 7. (d) None of the above. 8. (b) way in which the network’s nodes are linked together. 9. (a) World wide web 10. (a) General purpose electronic equipment for homes. PART TWO 1. WRITE A SHORT NOTES ON “THE OSI MODEL”
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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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com/resources/the-history-of-computers-in-a-nutshell/ * Mid 1800’s - 1930’s: Early Mechanical computers * invented by Charles Babbage in mid 1800’s - called “babbage engines” * These early computers were never completed during Babbage’s lifetime‚ but their complete designs were preserved. Eventually‚ one was finished being built in 20021930s: Electro-Mechanical Computers * 1930’s: Electro-mechanical Computers * Electro-mechanical computers generally worked with relays
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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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Computer Systems Individual Computer Systems Designing‚ and Configuring Computer Systems for DIGITEL WORLD Designing Company 1. Understand the function of computer systems. 2. Be able to design computer systems. 3. Be able to build and configure computer systems. 4. Be able to undertake routine maintenance on computer systems. Name: - Kasun NayanaKelum Batch No: - IT K 31 1|Page IT K Batch 31 Computer Systems Individual Acknowledgement I am more grateful to my lecturer Mohamed Shafeer
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A brief description of the industry: The Computer And Peripherals Industry is composed of a diverse group of companies. It produces a wide range of products for sale to just about all businesses and consumers. The industry tends to lead the economic cycle‚ and is very competitive. This industry markets a wide range of products and services‚ many of which are tied to mainframe and server computers‚ personal computers‚ and storage devices. A number of offerings include gear to connect this hardware
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Computer programming (often shortened to programming) is a process that leads from an original formulation of a computing problem to executable programs. It involves activities such as analysis‚ understanding‚ thinking‚ and generically solving such problems resulting in an algorithm‚ verification of requirements of the algorithm including its correctness and its resource consumption‚ implementation (commonly referred to as coding[1][2]) of the algorithm in a target programming language. Source code is
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Computer Concepts – Illustrated 8th edition Objectives * Define computers *Explore how computers work *Categorize computers *Examine personal computers *Introduce software *Introduce the Internet and the Web *Understand email basics Defining Computers Computer * An electronic device that: * Accepts input * Processes data * Stores data * Produces output * Uses instructions in stored programs Personal computer (PC) Computer system
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Computers and Society The decade of the 1980’s saw an explosion in computer technology and computer usage that deeply changed society. Today computers are a part of everyday life‚ they are in their simplest form a digital watch or more complexly computers manage power grids‚ telephone networks‚ and the money of the world. Henry Grunwald‚ former US ambassador to Austria best describes the computer’s functions‚ "It enables the mind to ask questions‚ find answers‚ stockpile knowledge‚ and devise
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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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