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Introduction to IT - 1 Day

The course provides technical and non technical personnel with an overview of IT tools, terminology, methodology and techniques.

The course contains lectures and demonstrations to ensure a brief familiarity with the range of products and tools available. On completion of this course, students will be more familiar with the IT environment and have a better understanding of the IT department.

Pre-requisites

None.

Course Objectives

Whilst covering the basics of an Introduction to IT, this course also aims to give an insight into the software used on both mainframes and PCs and how each piece of software interacts with each other.

On completion of this course the student will be able to:

• Understand the components that compromise a mainframe and a PC
• Understand the operating systems, software and hardware
• Understand the purpose of the Job Entry System and JCL
• Understand how data is stored and edited
• Understand basic programming concepts
• Understand the different types of databases
• Understand the difference between batch and on-line processes
• Understand the different roles and responsibilities within IT
• Understand the different phases of a project lifecycle
• Understand the Internet and HTML

Course Environment

Development will be performed using:

IBM Mainframe

Course Details

HISTORY OF COMPUTERS

The Mechanical Era (1623 - 1945)

First Generation Electronic Computers (1937 - 1953)

Second Generation (1954 - 1962)

Third Generation (1963 - 1972)

Fourth Generation (1972 - 1984)

Fifth Generation (1984 - 1990)

Sixth Generation (1990 - )

HARDWARE

Central Processing Unit

Memory

Bus

Expansion Card

Storage Devices

Input and Output Devices

Modem

PCs, Minis and Mainframes

SOFTWARE

Applications Software

Systems Software

Utility Software

NETWORKS

What is a Network ?

Network Components

Network Configuration

Types of Network

Accessing a Mainframe

UNDERSTANDING IT

An Introduction to IT

THE MAINFRAME

An Introduction to Mainframe Components

THE OPERATING SYSTEM

OS/390

UNIX
A short History of UNIX
UNIX Shell

Sample Commands

JOB ENTRY SYSTEM

An Introduction to JES

SESSION MANAGERS

Session Managers

SECURITY

Security Subsystems

TSO

Time Share Option

ISPF

ISPF Main Menu

Fastpath

View a Dateset

Edit a Dataset

Dataset Utilities

JOB CONTROL LANGUAGE

JCL
The JOB Statement
The EXEC Statement
The DD Statement

The SYSOUT Dataset

Dataset Concatenation

Common System ABEND Codes

SDSF OR FLASHER

An Introduction to SDSF or FLASHER

MAINFRAME DATA

What is Data ?

How is Data Stored ?

DATA STORAGE

Data Storage Devices

Storage Capacity

Datasets

Storage Management Subsystem

BACKUPS

An Introduction to Backups

Reasons for Backing Up Data

Backup Media

Backup Scheduling

Backup Data

Media Storage

Disaster Recovery

ROLES AND RESPONSIBILITIES

Stages of Development Lifecycle
Business Requirements
Feasibility Study
Analysis
Design
Build
Unit Test
Link Test
System Test
User Acceptance Test
QA and Volume Test
Implementation

Change Management

PROJECT DEVELOPMENTS

Methodologies

Techniques Used

Data Flow Modelling

Logical Data Modelling

Entity Life Histories

Relational Data Analysis

Logical Data Modelling v Relational Data Analysis

PROGRAMMING

Programming Languages

What is a Program Specification ?

What is a Program ?

Language Types

3GL Theory

Object Orientation

CASE Tools

Client Server

ONLINE / BATCH COMPARISONS

Batch Programs

On-line Programs

Batch and On-line Comparisons

T.P. Monitors

Tele-Processing

CICS

IMS

DATABASES

Database Management Systems

Hierarchical Databases
DL/1

The Relational Model
The DB2 Environment

BUSINESS SYSTEMS

Legacy Systems

Legal Changes

IT Departments

INTERNET AND INTRANET

Internet History

Technical Evolution

The Intranet

HTML

The World Wide Web

Introduction to URLs

Anchor Identifiers

Relative URLs

HTML

JAVA

What is Java ?

The Java Programming Language

What can Java do ?

Advantages of using Java

APPENDIX

Glossary of Terms

Course Format

Demonstrations make up a large part of the course, allowing delegates to reinforce the lectures given. During these sessions the delegate will gain experience of navigating around the mainframe and looking at different products that have been installed.

The comprehensive Student Guide supplied is fully indexed serving as a useful reference tool long after the course has finished. Delegates will also be able to access a free help-line with technical questions relating to topics covered on the course.

For further details and booking enquiries, telephone: 01275 859666 or visit:: www.casetraining.co.uk

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