now what connections we made here it’s called back pannel this is called Power Supply Unit here its a 3pin connection this all are inbuild now This all connections are fixed with motherboard here is the Mouse symbol next is keyboard symbol these are used for PST mouse/ keyboards These days we’re using USB mouse/keyboards its called serial board. its no longer in use previously we use Internet through telephone line. Back then we used to purchase calling card for it then we use Internet by making Dial-up connections That system happend with lots of problems It was quite a hassle its called Parallel Port Its for Dot Printer Connection its still in use in Banks, Railways……… we basically have three types of printer – Dot, laser & ink jet ink jet and laser printer use USB cables But now a days Dot printer is also available on USB its called VGA (video graphic adapter) port we connect monitor here Monitor has two cables- 1. Power cable & 2. VGA cable its also used for Projector these four are USB cables USB=Universal Serial Bus it has the ability to connect everything its network port LAN port NIC card – Network Interface Card Its 48 bits physical address It locates the PC through this address these are for speaker………… its for out put, its for input and its microphone its an extra cooling fan it exhales the hot air and push it outside now this area is provided for future needed it somehow any of your port goes down, you can insert an extra port by making whole in it thats all about the back pannel

All about CPU or System Unit (in Bengali Language)
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3 thoughts on “All about CPU or System Unit (in Bengali Language)

  • August 11, 2017 at 1:17 pm
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    কিবাবে এক পিসিতে দুই মনিটর চালাব জানাবেন পিলিজ।

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  • February 9, 2018 at 7:26 am
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    amar cpu chek data signal cabole dekhay kn

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  • March 9, 2018 at 4:17 am
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    খুব ভাল হয়েছে কিন্তু ভিডিও hd বিডিও হলে ভাল হতো

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