Some hearing milestones your child should reach in the first year of life: 1  Most newborn infants startle or jump to sudden loud noises. 2  By 3 months, a baby usually recognizes a parent's voice. 3  By 6 months, a baby can usually turn his or her eyes or head toward a sound.
(December 2008). Direct digital control (DDC) is the automated control of a condition or process by a digital device (computer). DDC is considered by many to be a more modern, granular and responsive update to older HVAC control systems based upon PLC technologies.
Introduction and Benefits. DD-WRT is a Linux-based open source firmware project developed to upgrade and enhance wireless Internet routers. This open source alternatiece firmware is used as a replacement for the factory default firmware for specific router models from popular manufacturers such as Linksys, Netgear, Asus, TP-Link, D-Link and more.