정보기술개론 3월 셋째주.

3/12
_ When digital media thechologies connect or separate people, they become media.


>> Egg white connects dyestuff(?) to paper.
Also, it separates dyestuff from paper.
That is similar to 'digital media - peolpe' relation




_Computer technology is very compositive.
>> Computer technology does not necessarily start as silicon and gold
　 Computer technology does not necessarily need to be implemented as hardware or sofrware.

3/14
_ Gerge boole. - " an investigation into the laws of thught"
>> He is a inventor of Boolean algebra, which is the basis of all modern computer arithmetic.
*Boolean algebra is the algebra of two values. These are usually taken to be 0 and 1, as we shall do here, although F and T, false and true, etc. are also in common use.

_Charles babbage -"diffrence engine"
>>He originated the idea of a programmable computer.

_ The two building blocks of computer
>> 1. switches: a steering element that can combine multiple signals into a single signal.
　 2. connectors: the connecting element must have the ability to branch, so that a single output 　 　 　 can feed many in puts.

_vannevar bush.
>>He is inventor of "differential analyzer."
>> Memex : retrienal technology pioneered.







*1: http://en.wikipedia.org/wiki/Boolean_algebra_(logic)