Computer Tech Math The “Numbers” Overview Mr. Orioli 9/20/2010.

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Presentation transcript:

Computer Tech Math The “Numbers” Overview Mr. Orioli 9/20/2010

Number Conversions The Decimal System Binary Hexadecimal

The Decimal System Powers of “Ten” 0,1,2,3,4,5,6,7,8,9 152

Binary Powers of “Two” 0,

Hexadecimal Powers of “Sixteen” 0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F 1B

Measurement Data Prefix Conversion Data Transfer Rates Downloading Rates

Converting Data Prefixes: 13.2 MB = _________ KB 153 Kb = __________Mb

Data Transfer Rates 15 Mb/s = _______ Kb/s.145 Gb/s = _______ Mb/s

Downloading Rates: File size / Downloading rate: 12MB file / 15KB/s 12MB /.015MB/s = 800 s 800s / 60 s/m = min 13 min 20 seconds

ISP cost comparison  Monthly cash flow analysis  Cost/MPS  Speedtest.com (exploration)  Consultant reports  Communicating your ideas

IP Addressing and Subnetting  Address Classification  Network & Host Identification  Network Addresses  Default Subnet Masks  Subnetting, Custom Subnetting

Other Topics  Class projects Design an internet configuration for a new building Suggest enhancements to improve an existing configuration  Games to build skills The Binary Game Subnetting Game