CHAPTER 1 Your Future and Computer Competency 1

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CHAPTER 1 Your Future and Computer Competency 1 CH 1 © The Mc. Graw-Hill

CHAPTER 1 Your Future and Computer Competency 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 1

Objectives • • • Five parts of info system Application vs. systems software Four

Objectives • • • Five parts of info system Application vs. systems software Four kinds of computers Four types of files Connectivity, Internet and Web 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 2

Five Parts of Information Systems • People • Procedures • Software • Hardware •

Five Parts of Information Systems • People • Procedures • Software • Hardware • Data 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 3

Information System 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 4

Information System 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 4

People • Most important part • Contact – Direct – Indirect • Make technology

People • Most important part • Contact – Direct – Indirect • Make technology work 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 5

Software • AKA programs • Instructions • Two major kinds – System software –

Software • AKA programs • Instructions • Two major kinds – System software – Application software 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 6

System Software • Interact with hardware – “Background” software – Operating system software 1

System Software • Interact with hardware – “Background” software – Operating system software 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 7

Application Software • “End-user” software • Two major categories – General – Specialized 1

Application Software • “End-user” software • Two major categories – General – Specialized 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 8

Advanced Applications 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 9

Advanced Applications 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 9

Hardware • Physical devices • Five functions 1 CH 1 © The Mc. Graw-Hill

Hardware • Physical devices • Five functions 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 10

Types of Computers • • Supercomputers Mainframe computers Minicomputers Microcomputers 1 CH 1 ©

Types of Computers • • Supercomputers Mainframe computers Minicomputers Microcomputers 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 11

Supercomputers • High capacity • Used by large organizations – Tracking space – Tracking

Supercomputers • High capacity • Used by large organizations – Tracking space – Tracking weather 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 12

Mainframe computers • Specially wired • Air-conditioned rooms • Used for large volume processing

Mainframe computers • Specially wired • Air-conditioned rooms • Used for large volume processing 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 13

Minicomputers • Also known as midrange computers • Medium-size companies • Departments of large

Minicomputers • Also known as midrange computers • Medium-size companies • Departments of large companies 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 14

Microcomputers • Desktop, notebook, PDAs • Notebook (laptop) • Subnotebooks 1 CH 1 ©

Microcomputers • Desktop, notebook, PDAs • Notebook (laptop) • Subnotebooks 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 15

Microcomputer Hardware • System Unit • I/O Devices • Secondary Storage 1 CH 1

Microcomputer Hardware • System Unit • I/O Devices • Secondary Storage 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 16

Output Devices • Equipment that translates data – Monitors – Printers 1 CH 1

Output Devices • Equipment that translates data – Monitors – Printers 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 17

Communication Devices • Sends and receives – data and programs • Needs include –

Communication Devices • Sends and receives – data and programs • Needs include – modem – cable modem – digital subscriber services 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 18

Data • Contained in files – Documents – Worksheets – Databases 1 CH 1

Data • Contained in files – Documents – Worksheets – Databases 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 19

Connectivity and Internet • Connectivity –ability to communicate • The Internet –the largest network

Connectivity and Internet • Connectivity –ability to communicate • The Internet –the largest network in the world –World Wide Web multimedia component 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 20

Future Look • Take advantage of increasing productive systems • Employers expecting user to

Future Look • Take advantage of increasing productive systems • Employers expecting user to know – application software – system software 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 21

Future Look • Security and privacy growing concern • Technology changing primary way businesses

Future Look • Security and privacy growing concern • Technology changing primary way businesses behave 1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 22

1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 23

1 CH 1 © The Mc. Graw-Hill Companies, Inc. 2000 23