MIS 105 LECTURE 1MIS 105 LECTURE 1

INTRODUCTION TO COMPUTER INTRODUCTION TO COMPUTER HARDWAREHARDWARE

CHAPTER REFERENCE- CHP. 1CHAPTER REFERENCE- CHP. 1

COMPUTERCOMPUTER

A computer is an electronic device, A computer is an electronic device, operating under the control of instructions operating under the control of instructions stored in its own memory, which can stored in its own memory, which can accept, store, process, and output data accept, store, process, and output data according to a set of specified rules. according to a set of specified rules.

Data and InformationData and Information

Data – Streams of raw facts that are more Data – Streams of raw facts that are more comprehensible by computer systems.comprehensible by computer systems.

Information – Data that has been Information – Data that has been organized and arranged in a form that is organized and arranged in a form that is easy for people to understand.easy for people to understand.

INPUT/OUTPUTINPUT/OUTPUT

Computers process data - INPUT into Computers process data - INPUT into information – OUTPUT according to information – OUTPUT according to specific instructions.specific instructions.

INFORMATION PROCESSING INFORMATION PROCESSING CYCLECYCLE

The process of input, output and The process of input, output and storage activities is referred to as the storage activities is referred to as the information processing cycle. information processing cycle. Communication between computer Communication between computer and information systems is also a part and information systems is also a part of the information processing cycle.of the information processing cycle.

INPUT DEVICEINPUT DEVICE

Any hardware component that allows a Any hardware component that allows a user to enter data and instructions into a user to enter data and instructions into a computer system. computer system.

OUTPUT DEVICEOUTPUT DEVICE

Any hardware component that is used to Any hardware component that is used to convey information.convey information.

COMMUNICATIONS DEVICECOMMUNICATIONS DEVICE

Any hardware component that enables a Any hardware component that enables a computer to send and receive data, computer to send and receive data, instructions and information to and from instructions and information to and from one or more computers.one or more computers.

SYSTEM UNIT-CPUSYSTEM UNIT-CPU The system unit is the actual case that contains the The system unit is the actual case that contains the

electronic components of a computer that are used to electronic components of a computer that are used to process data. CPU – Central Processing Unit/Processor.process data. CPU – Central Processing Unit/Processor. MotherboardMotherboard – Every piece of hardware inside the System – Every piece of hardware inside the System

Unit/CPU is connected to a circuit board called the Motherboard.Unit/CPU is connected to a circuit board called the Motherboard. Processor – The main electronic component that interprets and Processor – The main electronic component that interprets and

executes the basic instructions that operate the computer.executes the basic instructions that operate the computer. Memory – The electronic component that stores instructions waiting Memory – The electronic component that stores instructions waiting

to be executed and data that is needed by those instructionsto be executed and data that is needed by those instructions Storage DeviceStorage Device – Storage holds data, instructions and – Storage holds data, instructions and

information for future use.information for future use. Permanent and temporary Storage Devices.Permanent and temporary Storage Devices.

Power SupplyPower Supply – The electronic component that powers the – The electronic component that powers the computer system.computer system.

DISCUSSIONDISCUSSION

Advantages and disadvantages of using Advantages and disadvantages of using computerscomputers

What are the advantages of using What are the advantages of using computers?computers?

What are the disadvantages of using What are the disadvantages of using computers?computers?

MIS 105 LECTURE 2MIS 105 LECTURE 2

TYPES OF COMPUTERSTYPES OF COMPUTERS

CHAPTER REFERENCE- CHP. 1CHAPTER REFERENCE- CHP. 1

Sony vaio workstationSony vaio workstation

MIS 105 LECTURE 4MIS 105 LECTURE 4

INTRODUCTION TO COMPUTER INTRODUCTION TO COMPUTER SOFTWARESOFTWARE

CHAPTER REFERENCE- CHP. 2CHAPTER REFERENCE- CHP. 2

WHAT IS SOFTWARE ?WHAT IS SOFTWARE ? Is the planned, step-by-step set of instructions Is the planned, step-by-step set of instructions

stored in a computer program that is required to stored in a computer program that is required to convert data into informationconvert data into information

Software is what runs your computerSoftware is what runs your computer Programming – the designing, writing, testing Programming – the designing, writing, testing

and implementation of computer softwareand implementation of computer software CAN ANY SOFTWARE RUN ON ANY CAN ANY SOFTWARE RUN ON ANY

COMPUTER?COMPUTER? IT IS IMPORTANT TO HAVE AN IDEA OF THE IT IS IMPORTANT TO HAVE AN IDEA OF THE

KIND OF SOFTWARE WE WILL BE USING KIND OF SOFTWARE WE WILL BE USING BEFORE BUYING OUR COMPUTER?BEFORE BUYING OUR COMPUTER?

APPLICATIONS SOFTWARE & APPLICATIONS SOFTWARE & SYSTEMS SOFTWARESYSTEMS SOFTWARE

APPLICATIONS SOFTWARE – is APPLICATIONS SOFTWARE – is software that users apply to real world software that users apply to real world tasks i.e. software that is used to tasks i.e. software that is used to accomplish personal & business tasks.accomplish personal & business tasks.

SYSTEMS SOFTWARE – is one of the SYSTEMS SOFTWARE – is one of the platforms for applications software.platforms for applications software.

TYPES OF APPLICATION TYPES OF APPLICATION SOFTWARESOFTWARE

CUSTOM SOFTWARE – software that is CUSTOM SOFTWARE – software that is specifically designed for a particular specifically designed for a particular organization.organization.

HOW DO YOU BUY CUSTOM SOFTWARE?HOW DO YOU BUY CUSTOM SOFTWARE? COMMERCIAL/PACKAGED SOFTWARE – COMMERCIAL/PACKAGED SOFTWARE –

Software that is specifically designed for a Software that is specifically designed for a particular PURPOSE.particular PURPOSE.

HOW DO YOU BUY COMMERCIAL HOW DO YOU BUY COMMERCIAL SOFTWARE?SOFTWARE?

ACQUIRING SOFTWAREACQUIRING SOFTWARE

FREEWARE – is software that is free for FREEWARE – is software that is free for everybody. FREEWARE is everybody. FREEWARE is COPYRIGHTED i.e. the owner can place COPYRIGHTED i.e. the owner can place restrictions on its use.restrictions on its use.

What are the advantages and What are the advantages and disadvantages of freeware?disadvantages of freeware?

TYPES OF FREEWARETYPES OF FREEWARE

OPEN SOURCE SOFTWARE – a freeware OPEN SOURCE SOFTWARE – a freeware program is normally distributed in a machine-program is normally distributed in a machine-readable format that is unreadable by humans. readable format that is unreadable by humans. Open source software is released for Open source software is released for programmers with the source code available i.e. programmers with the source code available i.e. the software can be altered completely e.g. the software can be altered completely e.g. Linux software.Linux software.

PULBIC DOMAIN SOFTWARE – is software that PULBIC DOMAIN SOFTWARE – is software that is NOT copyrighted.is NOT copyrighted.

WHAT IS THE DIFFERENCE BETWEEN OPEN WHAT IS THE DIFFERENCE BETWEEN OPEN SOURCE AND PUBLIC DOMAIN SOFTWARE?SOURCE AND PUBLIC DOMAIN SOFTWARE?

SHAREWARESHAREWARE

SHAREWARE – is software that is FREE SHAREWARE – is software that is FREE for a limited time only.for a limited time only.

WHAT ARE THE COMMON WHAT ARE THE COMMON RESTRICTIONS IN SHAREWARE?RESTRICTIONS IN SHAREWARE?

WHAT ARE THE ADVANTAGES AND WHAT ARE THE ADVANTAGES AND DISADVANTAGES OF SHAREWARE?DISADVANTAGES OF SHAREWARE?

IS SHAREWARE POPULAR?IS SHAREWARE POPULAR?

PURCHASING SOFTWAREPURCHASING SOFTWARE SITE LICENSE – the license to buy ONE copy of a SITE LICENSE – the license to buy ONE copy of a

software and install it on several computers. The number software and install it on several computers. The number of computers depends on the terms of the license.of computers depends on the terms of the license.

NETWORK VERSION – Installing ONE copy on the NETWORK VERSION – Installing ONE copy on the company’s server and sharing it through a LAN.company’s server and sharing it through a LAN.

ELECTRONIC SOFTWARE DISTRIBUTION – ELECTRONIC SOFTWARE DISTRIBUTION – purchasing the software online. ADVANTAGES & purchasing the software online. ADVANTAGES & DISADVANTAGESDISADVANTAGES

ASP – APPLICATION SERVICE PROVIDER – is a ASP – APPLICATION SERVICE PROVIDER – is a company that sets up and maintains application software company that sets up and maintains application software on its own systems and makes the software available to on its own systems and makes the software available to its customers over the internet e.g. HR modules, PLM, its customers over the internet e.g. HR modules, PLM, Supply Chain software.Supply Chain software.

MIS 105 LECTURE 5MIS 105 LECTURE 5

INTRODUCTION TO COMPUTER INTRODUCTION TO COMPUTER SOFTWARESOFTWARE

CHAPTER REFERENCE- CHP. 2CHAPTER REFERENCE- CHP. 2

TASK ORIENTED TASK ORIENTED SOFTWARE/PRODUCTIVITY SOFTWARE/PRODUCTIVITY

SOFTWARESOFTWARE

Software that carries out a specific taskSoftware that carries out a specific taskMakes work faster and detailedMakes work faster and detailedSets a market standardSets a market standardEXAMPLES OF TASK ORIENTED EXAMPLES OF TASK ORIENTED

SOFTWARESOFTWARE

CATAGORIES OF TASK CATAGORIES OF TASK ORIENTED SOFTWAREORIENTED SOFTWARE

WORD PROCESSINGWORD PROCESSINGSPREADSHEETSSPREADSHEETSDATABASE MANAGEMENTDATABASE MANAGEMENTGRAPHICSGRAPHICSCOMMUNICATIONSCOMMUNICATIONS

SOFTWARE SUITESOFTWARE SUITE

Is a collection of task oriented softwareIs a collection of task oriented softwarePackage that includes some combination of Package that includes some combination of

the previous categories.the previous categories.WHY ARE SOFTWARE SUITES USEFUL?WHY ARE SOFTWARE SUITES USEFUL?EXAMPLE OF A SOFTWARE SUITEEXAMPLE OF A SOFTWARE SUITE

WORD PROCESSINGWORD PROCESSING

Is the most widely used personal computer Is the most widely used personal computer software.software.

Examples of use of word processing?Examples of use of word processing?What is Desktop Publishing?What is Desktop Publishing? Is there a difference between word Is there a difference between word

processors and desktop publishing in the processors and desktop publishing in the market?market?

What is the advantage of using word What is the advantage of using word processors/desktop publishing software?processors/desktop publishing software?

Disadvantages?Disadvantages?

SPREADSHEETSSPREADSHEETS

is one of the most widely used business toolsis one of the most widely used business toolsHow are spreadsheets helpful?How are spreadsheets helpful?Are spreadsheets helpful to home users?Are spreadsheets helpful to home users?What are the advantages of using What are the advantages of using

spreadsheets?spreadsheets?Disadvantages?Disadvantages?

GRAPHICS SOFTWAREGRAPHICS SOFTWARE

Software that is used to produce computer Software that is used to produce computer art, or computer generated designart, or computer generated design

Generally used by graphics artists (e.g. Generally used by graphics artists (e.g. computer games, industrial design)computer games, industrial design)

IS GRAPHICS SOFTWARE COMMONLY IS GRAPHICS SOFTWARE COMMONLY USED IN BUSINESS?USED IN BUSINESS?Graphs, maps, charts etc help businesses and Graphs, maps, charts etc help businesses and

employees compare data, spot trends and make employees compare data, spot trends and make decisions faster.decisions faster.

PRESENTATION GRAPHICS – enables PRESENTATION GRAPHICS – enables businesses to appear more professionalbusinesses to appear more professional

COMMUNICATIONS SOFTWARECOMMUNICATIONS SOFTWARE

What does communication mean to a personal What does communication mean to a personal computer user?computer user?

Communication software allows the user toCommunication software allows the user to Access data stored in another locationAccess data stored in another location Communicate with another computer or information systemCommunicate with another computer or information system Communicate with everybody via the internetCommunicate with everybody via the internet

WHAT IS THE MOST COMMON COMMUNICATION WHAT IS THE MOST COMMON COMMUNICATION SOFTWARE?SOFTWARE?

Businesses use more than simple browsers as Businesses use more than simple browsers as communication softwarecommunication software

DATABASE MANAGEMENT DATABASE MANAGEMENT SOFTWARESOFTWARE

Is software that can store, update, manipulate, Is software that can store, update, manipulate, retrieve and output data in a variety of ways.retrieve and output data in a variety of ways.

Can be used to convert data into informationCan be used to convert data into information Useful for anyone who must keep track of a large Useful for anyone who must keep track of a large

number of related facts – e.g. payroll, student number of related facts – e.g. payroll, student attendance and grades, sales and marketingattendance and grades, sales and marketing

IS DATABASE SOFTWARE COMMON FOR HOME IS DATABASE SOFTWARE COMMON FOR HOME USE?USE?

WHAT ARE SOME POSSIBLE HOME USES OF WHAT ARE SOME POSSIBLE HOME USES OF DATABASE SOFTWARE?DATABASE SOFTWARE?

VERTICAL MARKET SOFTWAREVERTICAL MARKET SOFTWARE

Organizations can hire programmers to write custom Organizations can hire programmers to write custom software for specific needs. However, many software for specific needs. However, many companies use standard packages for standard tasks, companies use standard packages for standard tasks, e.g. payroll, accounts management, etc. Some e.g. payroll, accounts management, etc. Some software companies specialize in this area of serving software companies specialize in this area of serving similar customers with their specific needs.similar customers with their specific needs.

VERTICAL MARKET SOFTWARE is software that is VERTICAL MARKET SOFTWARE is software that is written especially for a particular of business process.written especially for a particular of business process.

Is generally very user oriented / user friendlyIs generally very user oriented / user friendly Vendor generally offers installation, training and supportVendor generally offers installation, training and support

IS VERTICAL MARKET SOFTWARE CUSTOM IS VERTICAL MARKET SOFTWARE CUSTOM SOFTWARE?SOFTWARE?

WHAT IS THE DIFFERENCE?WHAT IS THE DIFFERENCE?

SOHO – SMALL OFFICE/HOME SOHO – SMALL OFFICE/HOME OFFICEOFFICE

Software suites that are designed for small business ownersSoftware suites that are designed for small business owners Generally includeGenerally include

AccountingAccounting Writing and advertisingWriting and advertising Customer serviceCustomer service Human resourcesHuman resources PayrollPayroll PresentationPresentation CommunicationCommunication

SOHO packages address all these needs, and generally also SOHO packages address all these needs, and generally also include a legal and a tax guide. Additionally, SOHO packages include a legal and a tax guide. Additionally, SOHO packages also come with pre-formatted legal forms, and other business also come with pre-formatted legal forms, and other business documents. Their communication modules generally offer links documents. Their communication modules generally offer links to useful business and government sites on the internet.to useful business and government sites on the internet.

COLLABORATIVE SOFTWARE - COLLABORATIVE SOFTWARE - GROUPWAREGROUPWARE

Is software that lets a group of people share, Is software that lets a group of people share, manage, and manipulate information together.manage, and manipulate information together.

Data used by groupware is generally stored in Data used by groupware is generally stored in a central place/DATABASE that can be a central place/DATABASE that can be accessed and changed by anyone working accessed and changed by anyone working with the data. with the data.

CAN EMAIL BE CONSIDERED CAN EMAIL BE CONSIDERED GROUPWARE?GROUPWARE?

IS GROUPWARE MORE COMMON FOR IS GROUPWARE MORE COMMON FOR HOME USERS OR BUSINESS USERS?HOME USERS OR BUSINESS USERS?

PIM – PERSONAL INFORMATION PIM – PERSONAL INFORMATION MANAGER SOFTWAREMANAGER SOFTWARE

Is software that provides the functions necessary for a Is software that provides the functions necessary for a user to track their personal and business activities.user to track their personal and business activities.

Generally includeGenerally include CalendarCalendar Address bookAddress book Task managerTask manager NotepadNotepad CalculatorCalculator

Most commonly found through handheld computers/ Most commonly found through handheld computers/ PDAs.PDAs.