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Schedule

Saturday, September 20

1411236000 The Tech Guy

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1411322400 The Tech Guy
1411336800 This Week in Tech

Monday, September 22

1411405200 Tech News Today
1411408800 Triangulation
1411414200 iPad Today
1411426800 Tech News 2Night
1411428600 Marketing Mavericks

Tuesday, September 23

1411491600 Tech News Today
1411495200 MacBreak Weekly
1411502400 Security Now
1411509600 Before You Buy
1411513200 Tech News 2Night
1411516800 All About Android
1411525800 Padre's Corner

Wednesday, September 24

1411572600 FLOSS Weekly
1411578000 Tech News Today
1411581600 Windows Weekly
1411588800 This Week in Google
1411599600 Tech News 2Night
1411601400 redditUP
1411606800 Ham Nation

Thursday, September 25

1411664400 Tech News Today
1411668000 Know How...
1411671600 The Social Hour
1411677000 Coding 101
1411680600 Home Theater Geeks
1411686000 Tech News 2Night
1411687800 The Giz Wiz
1411696800 OMGcraft

Friday, September 26

1411750800 Tech News Today
1411754400 This Week in Law
1411761600 Android App Arena
1411772400 Tech News 2Night

Saturday, September 27

1411840800 The Tech Guy

Sunday, September 28

1411927200 The Tech Guy
1411941600 This Week in Tech

Monday, September 29

1412010000 Tech News Today
1412013600 Triangulation
1412019000 iPad Today
1412031600 Tech News 2Night
1412033400 Marketing Mavericks

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Coding 101 1

Coding 01100101

January 23 2014

Hosts: Fr. Robert Ballecer, SJ and Shannon Morse

Welcome to Coding 101 - It's the TWiT show that gives YOU the knowledge to live in the wonderful world of the programmer. This week we are taking a look at binaries. You can also check out the transcript of the show here.

Ivory Tower: Binary

Binary is a base 2 system. With the total sum based on each binary value being either "on" or "off" (Which is why it's called "BINARY")

2-bit Binary Value

  • Each BIT can have 2 values - on or off - 1 or 0
  • Each Bit is worth the value of powers of 2, counting up from 0.
  • We count the values from right to left.
  • With two bits, that means the "first" bit can be worth either "1" (2(0)) or "0" while the second bit can be worth "2" (2(1)) or "0"
  • If we have a value of 00 = 0 :: 11 = 3 :: 10 = 2 :: 01 -1
  • If we have a n 8-bit value the maximum value will be (1+2+4+8+16+32+64+128) 255

Let's Break Down the process!

  • If I had a value like 10101010... what logic would I use to get to the DECIMAL value? (170)
  • I would create a "Total" Variable
  • I would look at each position, from left to right, giving each position a value of 0-7
  • If the value was "0" then I would skip to the next value.
  • If the value was "1", then I would raise 2 to the power of that position, then add that value to the "Total" Variable
  • Once I have no more values to calculate, I would report my total.

Code Warrior: Lou Maresca

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Running time: 28:39

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