Tonga Institute of Higher EducationIT 141: Information Systems

Lecture 1: Introduction

Tutor

• Okusitino Tahitu’a– otahitua@tihe.org

• Saipalesi Unu– sunu@tihe.org

General Information

• 4 Hours of Lecture per week

• Group 1Mon and Wed 5 – 7pm

• Group 2 Tue and Thur 12 - 2

• Course Webpage– http://www.tihe.org/courses/it141/– All information will be posted here– Check frequently

Grading Policy

• Final: 60%

• Midterm: 15%

• Assignment: 10%

• Homework: 10%

• Quizzes: 5%

• Attendance/Participation: 5%

Late Assignments/Homework

• Homework will not be accepted late.

• Any complications that may arise need to be brought to my attention BEFORE due date.

Homework

• Assigned on Fridays

• Due one week later on Friday

• Can be change

Assignment

• There we be one term long project.

• It will be given early in the semester.

• Start early!

Quizzes and Tests

• There will be a short quiz– Very short, less then 10 minutes– Will test knowledge presented in that weeks

lectures

• There will be three tests– Midterm– Semester end– FINAL EXAM

Cheating Policy

• Cheating and academic dishonesty is not accepted or tolerated– Any student found cheating on a testing material will

automatically receive a zero for that assignment.– Students are encouraged to study together, but to

submit separate work for homework– There is no collaboration for tests– Students are expected to work together when

assigned to work together and all group members should contribute equally to an assignment

How to succeed

• Come to class, pay attention!

• Take notes and read assigned readings.

• ASK QUESTIONS!

• Office Hours– Anytime during the day

Course Overview

• Topics to be covered– Microsoft Word, Microsoft Excel, Microsoft PowerPoint– Using Computers– Hardware/Software– Files and Viruses– Internet and Networking– HTML Programming– Information Systems – Databases – Programming – The Linux Operating System– PHP Programming

Why is this important?

• Broad range of information that will be at least partially relevant no matter where you work.

• Later courses will build upon the basic knowledge that you have received here.

• This basic knowledge is necessary to proceed into more complex topics that will be presented in later courses.

What does IT mean?

• IT– Information Technology

• Key to the Future?– Tonga and Computers

• Makes work faster and more efficient?• Instant Communication• Storage of large amounts of data in small space• Necessity for the modernization of Tonga.

– Will become a part of daily life

Cont.

• There are many levels of computer users. • The most basic are those who type documents. • The TIHE program is trying to turn you into one

of the most advanced kind of computer users. These are the people that make programs that other people use.

• Along the way, you will also be expected to learn how computers really work, aspects of networking, information management ideas and many other topics.

Cont.

• One common mistake people make is that they think Information Technology is fixing people’s computers.

• Information Technology is about trying to use technology to work and manage information better.

• If you want to fix computers, what you need to know are the different pieces in the computer.

• Then it’s just a matter of connecting cables and wires. You don’t need to go to school to do that. You just need to take a computer apart.

Cont.

• You might also believe that IT is about making computers.

• People who “make” computers spend many years getting their Ph.D. and then work in billion dollar factories using other computers to help them make new computers because it is so complicated.

• Stores that sell computers just get the different pieces and put them together, which does not need years of schooling or expensive equipment. All you need to know is how to connect things.

Cont.

• You will learn all these things and more in this class, but it is important to remember the focus of the IT school.

• This focus is to teach students to use computers to solve problems in organizations.

• This might mean making a program or it might mean using a database instead of excel.

• Someone “made” Microsoft Word to help people work better (and to make money).

• Your goal is to be able to make useful programs after two years.

Remarks

• This course is the first step to understanding about computers. It presents all the different topics that are related to computers.

• By the end of the course, you should be familiar with all of these topics and be able to engage in meaningful discussion with your peers.

What we see

Discuss Window•as a operating system•as multi-tasking operating system

Part of the Microsoft Window•Title Bar•Minimise Button•Maximise Button•Close Button•Menu Bar•Standard Toolbar•Vertical Scroll Bar•Horizontal Scroll Bar•Status Bar

Title BarThe Title Bar describes the process and files you are working with.In this case we are looking at the start files

Minimise ButtonThe minimise button is used to move the application from the open state to the task bar

Maximise ButtonThe maximise button allows you to switch from a partial to full screen mode

Full

Partial

Close ButtonThe close button shuts the application down

Menu BarThe Menu Bar gives operation you can do some are standard to most applications as files, edit, view and others are dependent on the application. There are pull down menu to select further operations.

Pull Down Menu

Standard ToolbarThe standard toolbar displays icons that represent commands found on the menus. To view the command associated with the icon place the mouse pointer over the icon and hold still. To add or delete tools from the tool bar go to views > toolbars. When the command has a check in the box it is on the tool bar.

Vertical Scroll Bar

The Vertical Scroll Bar can be used to view the whole list if it can not be posted in the window. Use the mouse to move the scroll bar up or down. You can click on the arrows on the ends or move the slider yourself

Horizontal Scroll Bar

The Horizontal Scroll Bar can be used in the same fashion as the Vertical Scroll Bar.

Status Bar

The status bar gives you information as to where you are within the application as to position and mode.

Dialog Boxes

A dialog box is a list of choices

Opening calculatorStep 1 - open the calculator by START > Programs> Accessories >Calculator

START

Programs

Accessories

Calculator

Using the Menu

Copy will take the number computed and allow you to insert in other programs

Paste will let take number and enter them into the calculator

Standard

Scientific

Entering Numbers

1. By using the number keys across the top

2. By using the number keypad

3. By using the mouse and the keys on the calculator

Minimizing the Calculator

If you click on this Icon the calculator will be minimized. It will disappear off the desktop

It will go down next to START

To bring it up click on the rectangle that says calculator

Using Help

To bring up HELPDouble click the help menu item

Look through the file andlearn about the calculator.

Closing the Calculator

There are two ways to close an application

1. Click the X in the right hand corner

2. Click on the word Close

Remarks

• Windows

• Basic Computer Components

Computer and Computer Components

Computer

Hardware

System Software

Application Software

Programming Software

A device that accept inputs, process data, stores data and produce output

Physical Components of the Computer System (CPU, Monitor, Printer, Keyboard etc)

Instructions that prepare a computer to do a task, indicate how to interact with a user, and specify how to process data.

All Operating Systems (Win 95, 98, 2000, XP’s, Mac OS

All Programs that interact with the user (MSWord, Excell, PowerPoint etc)

For Developers Use (C, C++, Java VB etc)

Software

Human - Computer Interactions

User Application Software

System Software

Hardware

TIHE Students

MS Word, Excel, Database etc.

All System Software (OS) Window 95, 98, 2000, XP, Mac OS

Physical Parts of the Computer

Drive & Driver

• Drive – Drive Pays Areas with in a Computer system unit that can accommodate additional storage device.

• Driver – Set of instructions that interact with the Hardware

What is computer Literacy?

• Having an understanding of what a computer is and how it can be used as a priceless resource.– Refer to having knowledge and understanding

– i.e. having the essential knowledge and understanding of computer technology.

What is computer competency?

• Is applying your skills with computers to meet all your information needs as well as improving your productivity– Having skills

What is an information system?

• Refer to a computer system that collects, stores and processes information, usually within the context of an organization.

Parts of an Information system

• People The most important part of an information System

• Procedure• Software• Hardware• Data. are the unprocessed facts Processing

Data creates information.• These parts need each other in order to be

useful

Summary• How old is the Computer & What is a Computer?• Computer and Computer Components• Human Computer Interactions• Drive, Driver Memory and Data storage• Computer Literacy & Competency• Information System & Parts of an IS• Type of Computers & PC’s• Data & Information and File & Files• Networks• The user interface• AI