Discovering Computer

Discovering estimators ? Chapter 1 Introduction to reckoners Chapter 1 Objectives Recognize the importance of computing machine literacy Define the term, electronic electronic data processor Describe the categories of calculating machines Identify the components of a computer Discuss the advantages and disadvantages of using computers Recognize the purpose of a interlock Discuss the uptakes of the Internet and universe Wide net Discuss various computer applications in society Identify the elements of an information dodging Describe the various types of computer substance abusers Distinguish between system softwargon package and application software conterminous A World of Computers What is computer literacy (digital literacy)? Current knowledge and understanding of computers and their uses ? Computers are everywhere succeeding(prenominal) What Is a Computer? How is a computer defined? ? Electronic thingmabob operating under the program line of operating instructio ns stored in its own memory Processes data into information Conveys meaning and is useful to peck Accepts data sight of unprocessed items Produces and stores results succeeding(a) What Is a Computer? What is the information processing cycle? ? ? ? ? ? Input Process come onfit Storage Communication abutting The Components of a Computer What is an input device? ? Hardware used to recruit data and instructions Next The Components of a ComputerWhat is an output device? ? Hardware that conveys information to one or more people Next The Components of a Computer What is the system unit? Case that contains the electronic components of the computer that are used to process data ? Next The Components of a Computer What are two briny components on the motherboard? Processor Also c altogethered a Central Processing Unit (CPU) The electronic component that interprets and carries out the basic instructions that operate the computer Memory Consists of electronic components that store instru ctions waiting to be executed and data needed by those instructions Next The Components of a ComputerWhat is shop? ? Holds data, instructions, and information for succeeding(a) use Storage media Physical material on which data, instructions, and information are stored Storage device Records and retrieves items to and from storage media Next The Components of a Computer What is a USB flash drive? ?Portable storage device ? smaller and lightweight enough to be transported on a keychain or in a pocket ? The average USB flash drive can hold about 2 billion characters Next The Components of a Computer What is a hard disk? ? Provides greater storage capacity than a USB flash drive ? around are housed inside the system unit NextThe Components of a Computer What is a compact disc? ? Flat, round, take-away metal disc ? ? CD DVD Next The Components of a Computer What is a communications device? Hardware component that enables a computer to send and receive data, instructions, and informa tion Occurs over cables, tele border lines, cellular radio networks, satellites, and other transmission media Next Advantages and Disadvantages of Using Computers What are the advantages of using computers? Speed Reliability physical structure Storage Communications Next Advantages and Disadvantages of Using Computers What are the disadvantages of using computers? Violation of PrivacyPublic Safety Impact on Labor Force Health Risks Impact on Environment Next Networks and the Internet What is a network? ? Collection of computers and devices connected together, often wirelessly Used to share Resources Hardware devices software program programs Data Information Saves succession and money Next Networks and the Internet What is a server? ? A server controls access to resources on a network ? Clients, or workstations, request resources from the server Next Networks and the Internet What is the Internet? ? Worldwide collection of networks that connects millions of businesses, political sympathies agencies, educational institutions, and individualsNext Networks and the Internet Why do users access the Internet? 1. Communications 2. Research and Information 3. shop 4. Banking and Investing 5. Classes 6. Entertainment 7. Download Music 8. Share Information Next Networks and the Internet What is the vane? ? Billions of documents, called Web pages, available to anyone connected to the Internet A Web grade is a collection of related Web pages You can share information on a social networking Web site or a photo sharing community A podcast is recorded audio stored on a Web site that can be downloaded A Web page contains text, graphics, audio, flick, and links to other Web pagesA blog consists of timestamped articles in a journal format Next Computer Software What is software? Consists of a series of instructions that tells the computer what to do and how to do it Also called a program Next Computer Software What is a graphical user interface (GUI)? ? Allows you to int eract with the software using text, graphics, and visual images such as icons ? Controls how you acquiesce data and instructions and how the screen displays information Next Computer Software What is system software? ? Programs that control or maintain the operations of the computer and its devices Operating System (OS) s a set of programs that coordinates all activities among computer hardware devices Utility Programs allow the user to perform maintenance-type tasks usually related to managing a computer, its devices or its programs Next Computer Software What is application software? ? Programs designed to make users more productive discussion Processing Database Spreadsheet institution Graphics Next Computer Software How do you install and run programs? Next Computer Software JavaScript What is a programmer? ? Someone who develops software ? Programmer writes the instructions to direct the computer to process data into information Web application NextCategories of Computers Wh at are the categories of computers? Personal Computers (desktop) wandering Computers and Mobile Devices plot of ground Consoles Servers central processing units Supercomputers Embedded Computers Next Personal Computers What are the two most popular styles of personal computers? ? PC and compatibles use the Windows operating system ? Apple Macintosh usually uses the Macintosh operating system (Mac OS X) Next Personal Computers What is a desktop computer? ? Designed so all of the components fit entirely on or under a desk or table Next Mobile Computers and Mobile Devices What is a notebook computer? ? Portable, small enough to fit on your lap ?Also called a laptop computer ? Usually more expensive than a desktop computer with equal capabilities Next Mobile Computers and Mobile Devices What is a Tablet PC? ? Resembles a letter-sized slate ? Allows you to write on the screen using a digital pen ? Especially useful for taking notes Next Mobile Computers and Mobile Devices What are rov ing devices? Small enough to carry in a pocket Internet-enabled telephone is a impertinent phone Next Mobile Computers and Mobile Devices What is a handheld computer? Small enough to fit in one hand Used by mobile employees such as meter readers and delivery people Next Mobile Computers and Mobile DevicesWhat is a personal digital assistant (PDA)? ? Provides personal organizer functions ? ? ? ? ? schedule Appointment book Address book Calculator Notepad Next Mobile Computers and Mobile Devices What are smart phones? Next Game Consoles What are game consoles? Mobile computing device designed for single-player or multiplayer video games Next Servers What types of servers are there? A server controls access to network resources and provides centralized storage Mainframe Very powerful, expensive computer that supports thousands of connected users Supercomputer The fastest, most powerful, most expensive computer.Used for applications requiring complex mathematical calculations Next Emb edded Computers What is an embedded computer? ? A special-purpose computer that functions as a component in a larger product Next Elements of an Information System What are information system elements? ? ? ? ? ? Hardware Software Data People Procedures Next Examples of Computer fashion What software is available for a home user? ? Personal finance management ? Web access ? Communications ? Entertainment Next Examples of Computer Usage What software is available for a small office/home office (SOHO) user? ? ? ? Productivity software Specialty software Web usage E-mail Next Examples of Computer Usage What is available for a mobile user? ? Hardware ? ? ? ? Notebook computers Tablet PCs Internet-enabled PDAs Smart phones ? Software ? ? ? Word processing Spreadsheet Presentation graphics software Next Examples of Computer Usage What are the needs of a power user? ? Speed and large amounts of storage ? Types of power users ? ? ? ? ? Engineers Scientists Architects Desktop publishers Grap hic artists Next Examples of Computer Usage What are the needs of the large business user? ? ? ? Payroll Inventory E-commerce Desktop publishing Next Computer Applications in Society What are some examples of computer applications in society? ? ? ? ? ? ? ? ? Education Finance disposal Health Care Science Publishing Travel Manufacturing Next Summary of Introduction to Computers Basic computer concepts The term, computer The uses of the Internet Computer software Categories of computers Types of computer users Computer applications in society The components of a computer The advantages and disadvantages of using computers The purpose of a network Chapter 1 Complete