TABLE OF CONTENTS
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HARDWAREData Representation
Bit / Byte / Parity Bit
Units of Capacity
Binary Code
System Unit Motherboard / System Clock
Microprocessor Chips
Memory Chips
Expansion Slots / Boards
Ports
Buses
Secondary Storage Logical Data Elements
Floppy Disks
Hard Disks
Optical Disks
Magnetic Tape
Cache Memory
Input Devices Keyboard Entry
Direct Input Devices
Output Devices Computer Display
Printers
Plotters
Voice Output / Modem
SOFTWARE
Introduction to Software
System Software
Three Kinds of Programs
Operating Systems
Popular Operating Systems DOS
Windows 3.x
Windows 95
Windows NT
OS/2
Unix
Macintosh Operating System
Application Software Kinds of Application Software
Application Software Trends
Popular Application Programs Word Processing Programs
Spreadsheet Programs
Database Mgmt. Programs
Graphics Programs
Communications Programs
Integrated Programs
COMMUNICATIONS
Definitions / Why Communications
Definitions and Objectives
Why Study Communications?
Generic Forms of Networks Timesharing / Distributed Processing
Client / Server Computing
Components of a Communication Network Host Computer / Circuit
Client
Front-End Processor
Teleprocessing Software
Specialists
Modems Communications Speeds
Types of Modems
Modem Standards
Communications Channels Twisted Pair
Coaxial Cable / Fiber-Optic Cable
Microwave / Satellites
Data Transmission Coding
Bandwidth
Transmission Modes
Direction of Data Transmission
Modes of Transmitting Data
Network ProtocolsNetwork Topology Star Topology
Bus Topology
Ring Topology
Hierarchical Topology
Mesh Topology
Network Types Why Use LANs?
Types of LANs
LAN Components
Two Most Common LANs
MANs / WANs
Telecommunications Services Two Types of Services
Four Classes of Services
Network Applications Groupware
E-mail on Internet
Telnet on Internet
Discussion Groups on Internet
Information Resources on Internet
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