Difference Between Analog and Digital Signal

array(10) { [0]=> object(stdClass)#4506 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "O22zHLcHHN0" ["related_video_title"]=> string(35) "What is UDP Protocol in Networking?" ["posted_time"]=> string(19) "7 лет назад" ["channelName"]=> string(16) "About Technology" } [1]=> object(stdClass)#4479 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "ZWdT-6Ld71Q" ["related_video_title"]=> string(61) "Digital vs Analog. What's the Difference? Why Does it Matter?" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(24) "Basics Explained, H3Vtux" } [2]=> object(stdClass)#4504 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "64FSgQdWHrE" ["related_video_title"]=> string(33) "Analog vs. Digital Signals Lesson" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(20) "Minimalist Physicist" } [3]=> object(stdClass)#4511 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "c3eMoHuPRy0" ["related_video_title"]=> string(43) "All Modulation Types Explained in 3 Minutes" ["posted_time"]=> string(27) "7 месяцев назад" ["channelName"]=> string(18) "Wireless Explained" } [4]=> object(stdClass)#4490 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "1YviIsCbT9Q" ["related_video_title"]=> string(60) "Analog vs Digital Audio | The Truth About Which Is Better..." ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(16) "Audio University" } [5]=> object(stdClass)#4508 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "HjneAhCy2N4" ["related_video_title"]=> string(25) "HOW TRANSISTORS RUN CODE?" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(11) "Core Dumped" } [6]=> object(stdClass)#4503 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "6AgkTdQXFTY" ["related_video_title"]=> string(92) "Analog computing will take over 30 billion devices by 2040. Wtf does that mean? | Hard Reset" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(9) "Freethink" } [7]=> object(stdClass)#4513 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "j7-acuTio4M" ["related_video_title"]=> string(26) "What is Analog and digital" ["posted_time"]=> string(19) "7 лет назад" ["channelName"]=> string(4) "MKCL" } [8]=> object(stdClass)#4489 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "V83-66nFLcQ" ["related_video_title"]=> string(177) "ГАЛЛЯМОВ: "Путин с зеленым лицом орал на своих генералов": что (не)случилось в Кремле, Трамп, КОГДА?" ["posted_time"]=> string(21) "3 часа назад" ["channelName"]=> string(24) "И Грянул Грэм" } [9]=> object(stdClass)#4507 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "btgAUdbj85E" ["related_video_title"]=> string(38) "Analog vs. Digital As Fast As Possible" ["posted_time"]=> string(19) "9 лет назад" ["channelName"]=> string(11) "Techquickie" } }