Chapter 5 It Architecture

Hardware & Software Basics Chapter 5: IT Architecture

Information Technology ,[object Object],[object Object],[object Object],Two basic categories of IT

Input, Process, Output, and Storage Hardware

Major hardware Components ,[object Object],[object Object],[object Object],[object Object],Essentially acts as the Brains of the Computer

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Computer Performance: Megahertz and Gigahertz

What do I need to know when purchasing a computer? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Faster processing means higher costs for Computer systems

Virtualization ,[object Object],[object Object],[object Object],[object Object]

Why Virtualize? ,[object Object],[object Object]

Primary Storage: RAM ,[object Object],[object Object],[object Object],[object Object],The term random is used to indicate that the computer does not need to access memory cells in sequence; rather, they can be referenced in any order.

RAM: Volatile ,[object Object],[object Object],[object Object],In this case, the operating system will have to remove something to make space.

RAM… So what? How does it effect me? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What can businesses do? ,[object Object],[object Object]

[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Cache Memory & ROM ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Secondary Storage Devices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CD-ROMs & DVDs are an economical solution for storing data and programs. Provides increased capacity and portability

Input & Output Devices already covered…. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Opening Questions ,[object Object],[object Object],[object Object]

Computer Categories and Software Basics ,[object Object],[object Object],[object Object],[object Object],[object Object]

Supercomputing ,[object Object],[object Object],[object Object]

Software Basics ,[object Object],[object Object],[object Object],[object Object],System software includes both operating system software and utility software

Operating System & Utility Software ,[object Object],[object Object],[object Object],[object Object],[object Object]

Application Software ,[object Object],[object Object],[object Object],[object Object],[object Object]

Enterprise Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object]

Information Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object]

Three Primary Areas of Information Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Network Administration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Redundant Array of Independent or Inexpensive Disks (RAID) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Fault tolerance and Failover ,[object Object],[object Object]

Disaster Recovery ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Implement & Enforce security & disaster recovery plans ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Disaster Planning: Offsite storage ,[object Object],[object Object],[object Object],[object Object]

Information Security ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Infrastructure Architecture ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

System Downtime ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IT Strategies for Ensuring Availability ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],These steps used as part of a plan can help ensure network integrity & availability

Application Architecture ,[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

Chapter 5 It Architecture

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Chapter 5 It Architecture