The History of Computers by Sravya Tirumamidi

1937: Bell Laboratories scientist George Stibitz uses relays for a demonstration adder

29tirumamidis — 2024-04-02 12:41:27 UTC

Called it the “Model K” Adder
Applied Boolean logic

1940: The Complex Number Calculator (CNC) is completed

29tirumamidis — 2024-04-02 12:47:51 UTC

Stibitz demonstrated the CNC at an American Mathematical Society conference
It was likely the first example of remote access computing.

1950: ERA 1101 introduced

29tirumamidis — 2024-04-02 12:50:20 UTC

One of the first commercially produced computers
It was intended for high-speed computing

1960: Ed Fredkin at DEC PDP-1 DEC PDP-1 introduced

29tirumamidis — 2024-04-02 12:54:09 UTC

It sold for $120,000 and includes a cathode ray tube graphic display
More than 50 PDP-1s were sold

1970: Amdahl Corporation introduces the Amdahl 470

29tirumamidis — 2024-04-02 12:56:23 UTC

Gene Amdahl, father of the IBM System/360, starts his own company
It was the company’s first product

1980: Commodore introduces the VIC-20

29tirumamidis — 2024-04-03 12:24:00 UTC

Intended to be a less expensive alternative to the PET
Highly success

1990: IBM 9345 hard disk drive

29tirumamidis — 2024-04-03 12:27:20 UTC

Codenamed "Sawmill," it was the first hard disk drive to use magneto-resistive heads
Magneto-resistive heads gave the 9345 an advantage over its competitors

2000: First camera phone introduced

29tirumamidis — 2024-04-03 12:29:14 UTC

Japan's SoftBank introduces the first camera phone
The J-Phone line would quickly expand

2010: Apple Retina Display

29tirumamidis — 2024-04-03 12:31:02 UTC

Since the release of the Macintosh in 1984, Apple has placed emphasis on high-resolution graphics and display technologies
The Retina display became standard on most of the iPad, iPhone, MacBook, and Apple Watch product lines.