100 anni di IBM – The IBM Punched Card

  The IBM Punched Card   From the beginning of tabulation, stiff rectangular cards punched with holes became the way data was recorded and stored.   As IBM grew to dominate data processing by the 1920s, its cards—which only worked on IBM machines and vice-versa—became the global industry standard. In 1928, IBM improved on the cards’ design so more data … Continua a leggere

100 anni di IBM – RAMAC, The First Magnetic Hard Disk

RAMAC The First Magnetic Hard Disk   The world’s first hard disk drive was the size of two kitchen refrigerators set side by side. It contained 24 disks spinning at 1,200 revolutions per minute, supplying data at 100,000 bits per second. It was the IBM RAMAC (Random Access Method of Accounting and Control), and it allowed enterprises to think about … Continua a leggere


quando ero ragazzino erano troppo i miei miti!!!! ero arrivato a scrivermi giorno per giorno la trama dell’episodio che davano in tv….    questa è la sigla originale….    ma poi c’era qualla con Amy e quella dell’ultima stagione… ahhhhh quanti ricordi, nei prossimi giorni vi posto tutto!!!   gian