Chapter1 Introduct to computer hardware and software · that make up a computer. Operating System -...
Transcript of Chapter1 Introduct to computer hardware and software · that make up a computer. Operating System -...
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Basic Network
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CompTIA A+ Guide to Managing & Maintaining Your PC By: JEAN ANDREW
Introduction of Computer Software and
Hardware
Chapter 1:
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Objectives
� Purpose and Uses of Personal Computer
� Local and Network Applications
� Identify the Motherboard, CPU, RAM, Power Supply, and Case.
� Identify the type of Adapter Cards
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� Identify the type of Adapter Cards
� Identify the type of Storage Devices
� Identify the type of Portable Devices
� Identify the type of Peripheral Devices
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Purpose and Uses of Personal Computers
� Computers are used all over the world and in all types ofenvironments. They are used in businesses, manufacturingenvironments, homes, government offices and non-profitorganizations.
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� Hardware - the physical components, both internal and external,that make up a computer.
� Operating System - a set of computer programs that managesthe hardware of a computer. An operating system controls theresources on a computer, including memory and disk storage.An example of an operating system is Windows XP.
Purpose and Uses of Personal Computers
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An example of an operating system is Windows XP.
� Application Software - programs loaded on the computer toperform a specific function using the capabilities of thecomputer. An example of application software is a wordprocessor or a computer game.
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Purpose and Uses of Personal Computers
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Local and Network Applications
� Local application - A local application is a program, such as aword processor, that is stored on the hard disk of the computer.The application runs only on that computer.
� Network application - A network application is one that is
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designed to run over a network, such as the Internet. A networkapplication has two components, one that runs on the localcomputer and one that runs on a remote computer. Email is anexample of a network application.
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Identify the Motherboard, CPU, RAM, Power Supply, and Case
� Hardware Components
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Motherboard
� Mainboard is a large circuit board used to connect theelectronics and circuitry Required which comprise thecomputer system.
� Mainboard contain connectors which allow major systemcomponents such as CPU , RAM ,HardDisk ,PowerSupply,CDRom/DVD.
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Supply,CDRom/DVD.
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Motherboard Components
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CPU (Central Processing Unit)
� The CPU or Processor , is the nerve center of computer system.It is the component that processes all of the data.
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RAM (Random Access Memory)
� RAM use for store memory Temporary. Type RAM such as SDR RAM,DDR(DDR,DDR2,DDR3)
SDR RAM
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ROM (Red Only Memory)
� ROM use for store memory permanent. It have in BIOS.
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Power Supply
� Power Supply is used to deliver power to all devices. .
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Storage Devices
� Reads or writes information to magnetic or optical storage media.
� It have such as : Hard Disk DrivesFloppy Drives
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Floppy DrivesZip DrivesTape DrivesExternal Hard DiskFlash DriveCD/DVD
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Adapter Cards
� Adapter cards add functionality to a computer system. They are designed to be plugged into a connector or slot on the mainboard. Adapter cards includes :
VGA Cards
Sound Cards
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Sound Cards
Network Interface Cards (Network Card)
Modem
Controller cards
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Adapter Cards
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� There Portable devices very small in size, power and graphic include :
Notebook PC
Pocket PC
Portable Devices
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PDA (Personal Digital Assistant)
Gaming Device
Cell Phone
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Portable Devices
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� Peripheral is a device that is added to the computer to expand its capabilities. It have such as printer, scanner, modem.
Peripheral Devices
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� Importance of UPS and Surge Protector.
Peripheral Devices
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Summary� Computers are used all over the world and in all types of
environments including: government, medical, education,manufacturing, legal and leisure.
� In order for most computers to perform useful functions,there are three things that have to work together: Hardware,Software and Operation Systems.
� An application can be classified as local or networked.
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� An application can be classified as local or networked.
� Things to consider when purchasing a computer:Motherboard, CPU, RAM, Adapter Cards, Storage,Peripherals, UPS, Surge Suppressors.
� There are many different types of Portable Devices availableincluding: Notebook PC, Pocket PC, PDA (Personal DigitalAssistant) ,Gaming Device and Cell Phone.