module.3.session.1.handouts

module.3.session.1.handouts - Hardware Software Total Cost...

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1 Hardware, Software, & Total Cost of Ownership People + Information + Technology The basic technology components 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 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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2 Describe your computer (if you don’t have one, describe the last computer you worked on) What are its key characteristics? What is the difference between these types of computers? 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 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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3 So…It’s the Color That Matters? 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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module.3.session.1.handouts - Hardware Software Total Cost...

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