Nobody invented the op-amp but manufactures decided that an amplifier can be more efficient as opposed to building the same amplifier out of discreet components
fairchild
741 is pin no of operational amplifier that's why the no 741 has been given to opamp741
1958
IC chip
A germanium IC was invented in 1958 in Texas at Texas Instruments.The modern silicon IC was invented in 1959 in California at Fairchild Semiconductor.The silicon IC succeeded as all parts including the wiring could be integrated into the chip. The germanium IC was a dead end as even though the electronic components could be integrated, the wiring still had to be done by hand under high power microscopes component by component, making it too expensive for the market.
Jack Kilby invented Binary Code.
The IC code is on the actual IC, you can find out its details by searching the IC code on Google.
ic made from bjt is known as bipolar ic
op amp linear ic 7805 non linear ic
The letters "IC" pronounced properly can say "icy" meaning very cold.
Both IC 7805 & IC 7905 are voltage regulators, IC 7805 is Ic 78xx series while IC 7905 is Ic 79xx series with xx representing voltage output
naming of IC is done according to manufacturer's name, ic type and IC number. i think MC means motorola is manufacturer. 74 means TTL IC. It is 7408 IC and H means high
For an IC chip