HVAC COOLING LOAD CALCULATIONS AND PRINCIPLES. Sensible Heat Gain â is the energy added to the space by conduction, convection and/or radiation. Latent Heat Gain â is the energy added to the space when moisture is added to the space by means of vapor.
Rise of USB. Developed by a consortium of companies made up of Intel, Compaq, Microsoft, Sony, DEC, IBM, and Northern Telecom, the Universal Serial Bus (USB) was introduced in January 1996. At that time, the USB 1.0 standard was capable of delivering a transfer rate of 12 Mbit/s. In April of 2000, USB 2.0 was introduced with a transfer rate of 480 Mbit/s. More recently, the USB 3.0 standard reaches transfer rates of 4.8 Gbit/s.
Chronologically, connection systems between video card and motherboard were, mainly: 1  S-100 bus: Designed in 1974 as a part of the Altair 8800, it was the first industry-standard bus for the microcomputer industry. 2  ISA: Introduced in 1981 by IBM, it became dominant in the marketplace in the 1980s.