Visticamāk stāstīja nevis par mikrofonu (skaņas ievadam), bet par skaļruni (izvadam).
Arī tas nav iebūvēts visās pamatplatēs, lai gan vairumā gadījumu tāds ir.
15. The internal PC speaker may be fading out, but it's still handy.
Many PC cases no longer contain a built-in speaker, but most motherboards still provide the header pins to accommodate one. (Some boards, on the other hand, have a tiny piezoelectric speaker built in.)
http://computershopper.com/feature/75-pc-building-tips-motherboard-case-installation
http://en.wikipedia.org/wiki/PC_speaker
pirms 13 gadiem
Arduino ir nevis datora matesplate bet izpildes modulis ar procesoru kuru vari pats programet un talak jau sis Arduino darbina kadu mehanismu piemeram robotu vai eglites lampinjas midzina noteikta ritmaa. Arduino ari nav iebuveta mikrafona, bet to var pievienot.
500
Janis Akmentins, pirms 13 gadiem :
nu es neko nesu putrojies vinjs man skaidri pateica ka mic is on motherboard, un par to itka varot parliecinoties sinii adresee :
http://www.arduino.cc/playground/Main/InterfacingWithHardware