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COMP 1001: Introduction to Computers for Arts and Social Sciences Binary Numbers Wednesday, May 18, 2011

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COMP 1001: Introduction to Computers for Arts and Social Sciences Admin Stuff Use forums to ask questions (email ok too) Should we change Andrew W’s office hours to Thursday? Assignment 1 due Sunday night Assignment 2 due Monday May 30 Monday is a holiday! :D Guest speaker and quiz next week

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COMP 1001: Introduction to Computers for Arts and Social Sciences Note Taker The Paul Menton Centre for Students with Disabilities is looking for a Volunteer Notetaker for this class. The criteria for being a Volunteer Notetaker include: – Attending all assigned classes – Taking complete and legible notes – Typing up lecture notes and submitting them electronically within 48-hours after each Class (math & other formula heavy notes can be scanned at the Notetaking Office) – Maintaining confidentiality

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COMP 1001: Introduction to Computers for Arts and Social Sciences Binary Numbers http://csunplugged.org/binary-numbers

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COMP 1001: Introduction to Computers for Arts and Social Sciences Binary Numbers http://csunplugged.org/binary-numbers

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COMP 1001: Introduction to Computers for Arts and Social Sciences The Decimal Equivalent Decimal = The Numbers We Usually Work With 1’s column, 10’s column, 100’s column, … (5 * 1) + (6 * 10) + (3 * 100) + (2 * 1,000) + (6 * 10,000) + (4 * 100,000) ----------------- 462,365 10 digits available (0-9)

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COMP 1001: Introduction to Computers for Arts and Social Sciences The Decimal Equivalent Binary = A New Way to Represent the Same Numbers 1’s column, 2’s column, 4’s column, 8’s column… (1 * 1) + (1 * 2) + (0 * 4) + (1 * 8) + (0 * 16) + (0 * 32) + (0 * 64) + (1 * 128) ------------- 139 2 digits available (0-1)

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COMP 1001: Introduction to Computers for Arts and Social Sciences

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Binary Numbers in 60 Seconds http://www.youtube.com/watch?v=q dFmSlFojIw

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COMP 1001: Introduction to Computers for Arts and Social Sciences How high can you count on your fingers? http://www.youtube.com/watch?v=i Yb5w8L2NSc

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