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module.3.session.1.slides

module.3.session.1.slides - Hardware,Software People...

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Hardware, Software, &  Total Cost of Ownership
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People + Information +  Technology The basic technology components: Hardware – physical devices that make up an  information system Software – the set of instructions that tell a computer  how to carry out specific tasks
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Why do  you  need to know about this? Effectively using IT requires that you provide: Specifications Describing  what  you need Justification Providing a rationale for  why  you need it Technical concepts are central to both
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Describe your computer (if you don’t have one,  describe the last computer you worked on) What are its key characteristics?
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What is the difference between these types of computers?
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Servers:  A machine that provides services to programs or users  working on other computers  Designed to support multiple, simultaneous users Examples: Web servers, database servers, file servers Desktop: A machine designed to sit on a desk and not move around.  Typically supports a single user Workstations:  High-powered, special purpose desktop machines Notebook:  Small, portable, battery-powered machine for one user
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So…It’s the Color That Matters?
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The chip which is the brains of the computer (Also  know as the CPU - Central Processing Unit) Processor characteristics: Manufacturer (e.g. Intel, AMD, Motorola) Type (e.g. Pentium 4, Celeron) Speed (e.g. 2.66 GHz) # of processors on the chip (single vs. dual core)
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