100%(1)1 out of 1 people found this document helpful
This preview shows page 1 - 3 out of 11 pages.
Computer AnalysisJanuary 28People to knowo1937- John Atanasoff & Clifford Berry designed and built the first digital computer, called ABCo1943- Alan Turingdesigned computer to break German codeso1945 – John Von Neumanmemory hold data & programso1946 – John Mauly & J. Presper Eckert, Jr. completed the first large-scale, general purpose computer called the ENIAC (Electronic Numerical Ingrator and Computer)o1951 - UNIVAC(Universal Automatic Computer) first commercially available computero1952 – Grace Hopper paper that documents the idea of higher level programming languageWhat is a Computer?oA computeris an electronic device, operating under the control of instructions stored in its own memory.oInformation Processing CycleCollects data (input)ProcessingProduces information(output)The Components of a ComputeroA computer contains many electric, electronic, and mechanical components known as hardwareInput Device – allows you to enter data and instructions into a computerOutput Device – hardware component that conveys information to one ore more peopleSystem Unit – Case that contains the electronic components of the computer that are used to process dataStorage Device – holds data, instructions, and information for future useCommunications Device – enables a computer to send and receive data, instructions, and information to and from one or more computers or mobile devices.The Components inside the System UnitoMotherboard (aka System-board) – CPU (Central Processing Unit, Processor, Micro Processor), RAM (random access memory) (aka primary memory)oVideo Display Adapter Card – what interfaces to the monitor. Card = board, PCB (printer circuit board)oDisk Controller Card – control peripheralsoPower SupplyoFanoEthernet Card – focus on network. NIC (network interface card)oDisk Drives – Hard, Floppy, CD, USB, DVDThe Components of a ComputeroCentral Processing Unit (CPU)Also called a processor
You've reached the end of your free preview.
Want to read all 11 pages?
Central processing unit, World Wide Web, web pages