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    Micro History Episode 0 is up!


    Post #: 3
    Post type: Blog post
    Date: 2024-04-22 21:11:03.000
    Author: Micro Man
    Tags:

    Well, it took way longer than I anticipated, but it's finally here!



    This video tries to answer the age-old question: what was the FIRST personal computer? I go into a bit of a tangent in trying to define a computer first, and then go through the early history of digital computers, before finally getting around to answering the question. Maybe. You'll have to watch to find out!

    Here's a list of computers and their cool technical specs that I cover in this video, as a bonus for those of you reading this on the website:

    First Computers



    0. Zuse Z3

    Year released: 1941
    CPU: 2,600 relays
    Speed: 5-10 Hz
    Memory: 176 bytes (64 x 22-bit words)
    Storage: Punched celluloid tape
    Power consumed: 4,000 Watts
    Weight: 1000 kg
    Number made: 1
    Cost: $400,000 US (2023)

    1. ABC

    Year released: 1942
    CPU: 600 vacuum tubes
    Speed: 60 Hz
    Memory: 375 bytes (3000 bits, 30 100-bit binary numbers)
    Storage: Paper tape
    Power consumed: Unknown
    Weight: 320 kg
    Number made: 1
    Cost: Unknown

    2. Colossus
    Year released: 1943
    CPU: 1600 vacuum tubes
    Speed: Massively parallel (equivalent to 1.2 MHz today)
    Memory: None
    Storage: Paper tape
    Power consumed: 8,500 Watts
    Number made: 12
    Cost: Unknown (secret)

    3. ENIAC

    Year released: 1945
    CPU: 18,000 vacuum tubes
    Speed: 5,000 Hz
    Memory: None
    Storage: Punched cards
    Power consumed: 150,000 Watts
    Weight: 24,000 kg
    Number made: 1
    Cost: $ 6.2 million US (2023)

    4. Manchester Baby

    Year released: 1948
    CPU: 550 vacuum tubes
    Speed: 50,000 KHz
    Memory: 128 bytes (64 x 32-bit words)
    Storage: None
    Power consumed: 3,500 Watts
    Weight: 900 kg
    Number made: 1
    Cost: Unknown (prototype project)

    First Personal computers



    0. Simon

    Year released: 1950 (instructions)
    CPU: About 120 relays
    Speed: 0.6 Hz
    Memory: 2 bits (¼ byte)
    Storage: paper tape
    Power consumed: 125 Watts
    Weight: 18 kg (not including power supply)
    Number made: 400 (plans sold)
    Cost: $600 ($7,400 in 2023)

    1. Kenbak-1

    Year released: 1971
    CPU: 132 7400-series TTL chips
    Speed: 500 KHz
    Memory: 256 bytes
    Storage: None
    Power consumed: 14 Watts
    Weight: About 15 kg
    Number made: 51
    Cost: $750 ($5,000 in 2023)

    2. Micral

    Year released: 1973
    CPU: Intel 8008 (3500 transistors)
    Speed: 500 KHz
    Memory: Up to 16 Kb
    Storage: paper tape
    Power consumed:
    Weight: 12 kg
    Number made: 500
    Cost: $1750 ($11,000 in 2023)

    3. Mark 8

    Year released: 1974
    CPU: Intel 8008 (3500 transistors)
    Speed: 500 KHz
    Memory: Up to 16 Kb
    Storage: Cassette (optional add-on)
    Power consumed:
    Weight:
    Number made: 400
    Cost: $500 in parts ($3,000 in 2023)

    4. Altair 8800

    Year released: 1975
    CPU: Intel 8080 (4,500 transistors)
    Speed: 2 MHz
    Memory: Up to 64k
    Storage: Paper tape, Cassette, Floppy Drive (optional add-ons)
    Power consumed:
    Weight:
    Number made: 25,000
    Cost: $621 ($3,100 in 2023)

    Thanks for watching and/or reading! I'm going to make sure to add more stuff on this blog that didn't quite make it into the videos. So stay tuned!



    Views: 44


    Welcome to Micro-History


    Post #: 2
    Post type: Blog post
    Date: 2024-03-14 22:56:05.000
    Author: Micro Man
    Tags:



    Views: 92


    Micro-History.com is Under Construction!


    Post #: 1
    Post type: Blog post
    Date: 2024-03-14 05:14:43.000
    Author: Micro Man
    Tags:



    Remember these types of images from the 1990s? Me too.

    Stay tuned... Micro-History.com is going live THIS MONTH!



    Views: 80