KM tv

there are five basic ROM types: 1. ROM -  read Only Memory. 2.PROM - Programmable Read Only Memory. 3.EPROM - Erasable Programmable Read Only Memory. 4.EEPROM - Electrically Erasable Programmable Read Only Memory. 5.FEEPROM - Flash  Electrically Erasable  Programmable Read Only Memory.

1.World's first computer is ENIAC . 2.World's fastest computer Sunway    Taihulight  LINPACK  benchmark  score of 93  PFLOPS.      3.World's smallest computer      is  the  Michigan Micro Mote  (M^3) is the  smallest  autonomous  computer in the  world. 4. World's  most expensive gaming  computers in the world is  8Pack    OrionX – $30,000 . 5.World's largest computer ever built is   SAGE (semi-automatic ground    environment).