Mind Map Gallery Introduction to Computers and Programming
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Introduction to Computers and Programming
This is a mind map that contains information about the introduction to computers and programming.
Edited at 2020-10-12 03:20:00
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Introduction to Computers and Programming
Objectives Overview
Explain why computer literacyis vital to success in today’sworld
Define the term, computer, and describe therelationship between data and information
Describe the fivecomponents of a computer
Discuss the advantages and disadvantages that usersexperience when working with computersDefine
Define the term, network, and identifybenefits of sharing resources on a network
Discuss the uses of theInternet and World Wide Web
Distinguish between systemsoftware and application software
Differentiate among types, sizes, andfunctions of computers in each category
Describe the role of each elementin an information system
Explain how home users, small office/home officeusers, mobile users, power users, and enterpriseusers each interact with computers
Discuss how society uses computers in education,finance, government, health care, science,publishing, travel, and manufacturing
Categories of Computers
Personal computers
A personal computer can perform all of its input,processing, output, and storage activities by itself
Two popular architectures arethe PC and the Apple
Desktop computer
Mobile computers and mobile devices
Mobile Computer
Personal computer you cancarry from place to place
Examples include notebook computers,laptop computers, and Tablet PCs
Mobile Device
Computing device small enough to hold in your hand
Examples include smart phones, PDAs, handheldcomputers, portable media players, and digital cameras
Game consoles
A game console is a mobile computing device designedfor single‐player or multiplayer video games
Servers
A server controls access to thehardware, software, and other resourceson a network
Provides a centralized storage area forprograms, data, and information
Mainframes
A mainframe is a large, expensive, powerfulcomputer that can handle hundreds orthousands of connected users simultaneously
Supercomputers
A supercomputer is the fastest,most powerful computer
Fastest supercomputers are capable of processing morethan one quadrillion instructions in a single second
Embedded computers
An embedded computer is a special‐purpose computerthat functions as a component in a larger product
Computer Software
Software, also called a program, tells the computerwhat tasks to perform and how to perform them
Installing is the process of setting up software to workwith the computer, printer, and other hardware
A programmer develops software or writes the instructionsthat direct the computer to process data into information
Advantages and Disadvantagesof Using Computers
Advantages of Using Computers
Speed
Reliability
Consistency
Storage
Communications
Disadvantages of Using Computers
Health Risks
Violation of Privacy
Public Safety
Impact on Labor Force
Impact on Environment
Green computing : involves reducing the electricity consumedand environmental waste generated when using a computer
Strategies include
Recycling
Regulating manufacturing processes
Extending the life of computers
Immediately donating or properly disposing of replaced computers
Elements of an Information System
Hardware
Software
Data
People
Procedures
Networks and the Internet
A network is a collection of computers and devices connected together,often wirelessly, via communications devices and transmission media
The Internet is a worldwide collection of networks that connects millions ofbusinesses, government agencies, educational institutions, and individuals
People use the Internet for avariety of reasons
Communicate
Research and Access Information
Shop
Bank and Invest
Online Trading
Entertainment
Download Music
Share Videos
Web Application
A social networking Web site encourages members to share their interests,ideas, stories, photos, music, and videos with other registered users
The Components of a Computer
A computer contains many electric,electronic, and mechanical componentsknown as hardware
Input Device
Allows you to enter data and instructions into a compuer
Output Device
Hardware component that conveysinformation to one or more people
System Unit
Case that contains the electronic components ofthe computer that are used to process data
Storage Device
Holds data, instructions, and information for future use
Communications Device
Enables a computer to send and receive data, instructions, andinformation to and from one or more computers or mobile devices
What Is a Computer?
A computeris an electronic device, operating underthe control of instructions stored in its own memory