ITGS Syllabus

Friday, September 05, 2008

Linux vs. Mac vs. Windows

They worked on Vista for years and it ended up looking like Mac
Mac works on UNIX
Linux works with UNIX
Linux vs. Mac vs. Windows
Mac took Linux users away because Mac had UNIX and was user friendly
Linux became server only/computers with little user friendly software
Mac moved to Intel over IBM

Mac took Linux out of the picture and wants to replace Microsoft out next

The first computers ran on thousands of vacuum tubes
Many would break therefore someone would run around replacing them
Early computers would have been used for military purposes etc

Banks used to close at 3 pm to have time to record all the days transactions and update all the accounts before the start of the next day.

Next they started converting them onto computer cards IBM Cards Holerith cards
They needed a way to convert stuff humans can read and write into 1s and 0s for a computer to understand Binary.
So they had to make a code (eg ‘A” would be 00, ‘B’ would be like 01 etc)
It was like light bulbs doing binary
(4 light bulbs only got you to 15, 5 got you to 31)
7 got you the amount you need but 7 wasn’t binary friendly, so they got to 8, containing 255 bits
Binary means a bunch of 0s and 1s (on and off)
1 2 4 8 16 32 64 128

The smallest unit of binary used was 8 (1, 2, 4 were too smaller)\
Bits was 1’s and 0’s, 8 bits were a byte
At first they only used capitals because lowercase letters need more memory
Old cards with a bunch holes in them to mark the binary for each letter
Modern variation of this is with the SATS where you mark down on cards with pencils

43 Comments:

Blogger daniel said...

If I were to wager a guess at why, I’d say that users don’t “browse” forms. The interaction style users engage in with forms is different, and requires its own study and design best practices.

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January 08, 2010 7:03 AM  
Blogger daniel said...

If I were to wager a guess at why, I’d say that users don’t “browse” forms. The interaction style users engage in with forms is different, and requires its own study and design best practices.

job without office

January 08, 2010 7:03 AM  
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February 26, 2010 10:43 AM  
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March 17, 2010 4:49 PM  
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April 30, 2010 10:41 PM  
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May 05, 2010 11:44 PM  
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May 05, 2010 11:44 PM  
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May 29, 2010 3:00 PM  
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Better be the head of a dog than the tail of a lion...................................................

June 04, 2010 4:31 PM  
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June 08, 2010 12:02 AM  
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Joy shared with others are more enjoyed.............................................................

June 11, 2010 12:22 PM  
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June 14, 2010 11:04 PM  
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June 18, 2010 4:55 PM  
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June 23, 2010 6:00 PM  
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June 27, 2010 12:19 PM  
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June 30, 2010 6:28 PM  
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幸福不是一切,人還有責任。............................................................

July 04, 2010 11:28 AM  
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It takes all kinds to make a world.............................................................

July 08, 2010 12:18 PM  
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No one knows the weight of anothers burden. ............................................................

July 10, 2010 5:35 PM  
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July 12, 2010 5:01 PM  
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July 15, 2010 5:44 AM  
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July 17, 2010 1:10 PM  
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July 22, 2010 1:07 PM  
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July 25, 2010 10:43 AM  
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August 03, 2010 11:32 AM  
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August 08, 2010 9:15 PM  
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August 11, 2010 12:39 PM  
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August 13, 2010 8:15 PM  
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August 16, 2010 10:26 AM  
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August 18, 2010 9:02 AM  
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August 20, 2010 1:07 PM  
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August 22, 2010 10:41 PM  

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