Computer Basics and System Processing Concepts
Explore the fundamentals of computer basics, system processing, data, information, and their relationships. Learn about the essential tools for various applications, the role of systems, data processing, and the functions of a computer in converting data into information. Discover insights into problem-solving processes and the significance of communication tools in information transfer.
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Presentation Transcript
Computer Basics Chapter One
Computer as an essential tool for the verity of application
System : Is a set of co-operative elements works together to perform a task (tasks) according to relational rules. System Output Input System process the input tasks using the following Concept: (Buffering the input providing the needed output) processing
System Boundary Data Input Output Information Elements Processing Environment System Structure
Data & Information Data : Is a set of Disordered lexical elements Example:( Ali, Book, College, dentistry, Rent ) Information : Is a set of Processed Information : Is a set of Processed Data, that have some novelty other Data, that have some novelty other than a transmission media. than a transmission media. Example: Example: (Ali (Ali Dentistry Dentistry to went went to to rent a a book) the the book) college college of of to rent
+ = Communication Tool (Media) Information Properties Novelty Information
Solving Processing 3 4 2 Output Solution Input Questions Effect 5 1 Information Novel answers Environment Store 6 Data Lexical Items A Human being as a System
Affect Affected
How one can solve a problem How one can solve a problem ? ? Try & Teaching Error 2 1 Industry 3
What do we mean by Computer ? Any device that can convert Data to Information to produce a desired result. Processing Data Information Storing 2 1 4 3 Computer Functions
John Von Newman Rules for computer design 153px-JohnvonNeumann-LosAlamos 1) Individual Units. 2) Addressed Cells Memory. 3) Sequential Instruction John Von Newman 1903 1957 Budapest Hungary
What makes a computer be a powerful device? Computers are a desirable device because it have the following features : Speedy billions of actions per second. A computer can do Trusty trusted results A computer bring a Storage huge amounts of data. A computer can keep
2nd Generation : 1970 - 1979 Transistors Smaller (Still Large) Expensive Special Purpose Need Specialist Hardware Problem 1st Generation : 1945 - 1969 Vacuum Tubes Very Large Expensive Special Purpose Need Specialists Hardware Problem 3rd Generation : 1980 - 1990 Integrate Circuits (IC) Smaller Portable Less Expensive General Purpose General Users Software Problem 4th Generation : 1990 Small Integrate Circuits (IC) Smallest Portable Cheap General Purpose General Users Software Problem
Categories of Computers (1) PC (Desktop, Laptop, ) (2) Mobile Computers (3) Game consoles (4) Server Computers Provider) (Laptop, I Pad, ) Play station (Internet Server
Categories of Computers (5) Mainframe Computers Computers Large (6) Super Computers (7) Embedded Computers for specific task Large Computers Small design
Interfacing Via Applications Applications
Type of interfacing 1)Text 2)Graphics 3)Multimedia
What do we mean by a good What do we mean by a good Software ? Software ? A A good Software good Software should hold the following properties: the following properties: should hold 1) 1)Traceable. Traceable. 2) 2)Portable. Portable. 3) 3)Trusty. Trusty. 4) 4)Easy to use. Easy to use. 5) 5)Cheap. Cheap.
Computer Applications in Dentistry
Computer Applications in Dentistry: 1) CAD and CAM 2) Digital X - Ray 3) Internet 4) Intra Oral Camera 5) Optical Scanner 6) The Wand
