There are 2 common tests performed: amniocentesis and chorionic villus sampling. ï· Amniocentesis is generally performed at between 14 and 18 weeks gestation for genetic testing. It is performed by withdrawing a sample of amniotic fluid from the mother through a needle. inserted into the amniotic sac.
Daemon is a process that runs in the background and performs a specified operation at predefined times or in response to certain events. The term daemon is a UNIX term, though many other operating systems provide support for daemons, though they're sometimes called other names. Windows, for example, refers to daemons as System Agents and services. Typical daemon processes include print spoolers, e-mail handlers, and other programs that perform administrative tasks for the operating system. The term comes from Greek mythology, where daemons were guardian spirits.
If the server software is running in the background of the client machine, then it is referred to as a daemon. Examples of common client software used in everyday personal computing include web browsers, email clients, instant messenger. chat clients, and bittorrent clients.