Harvard Mark I e smartphone: o que têm em comum

1. Passo 1. Harvard Mark I — utiliza — Punched card. The program was read from punched tape and the data from punched cards.
2. Passo 2. Punched card — é utilizado em — Mainframe. Programs were entered on punched cards.
3. Passo 3. Mainframe — tem como parte — Magnetic-core memory. Magnetic-core memory.
4. Passo 4. Magnetic-core memory — evoluiu para — RAM. DRAM displaced core memory.
5. Passo 5. RAM — faz parte de — Smartphone. RAM.

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