Uninterrupted Power Supply UPS
Uninterrupted Power Supply It is an electrical apparatus that provides secondary power source when primary power source is down due to any reason. Prerequisite. Battery Selection.
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Dense Wavelength Division Multiplexing DWDM
Dense Wavelength Division Multiplexing DWDM Prerequisite Multiplexing Optical Fiber PCM SDH Transmission Fundamental WDM Wavelength division Multiplexing (WDM) technique increase the capacity of signal carrying medium. WDM technique assign different frequency / wavelength value to every incoming signal. These signals are multiplexed on a single sharing medium. SONET/SDH use TDM technique and transmit data in…
SDH Synchronous Digital Hierarchy
SDH synchronous digital hierarchy. It is a transmission method. This method is used in optical fibre transmission system called SDH system. We have already discussed the basic concepts of the transmission system. This video will give you the basic concept of SDH. SDH = Synchronous Digital Hierarchy. EU and Japan standard. A standard for telecommunication…
SDH SONET 1
PDH SDH SONET. SDH and SONET are transmission equipment. To understand their working, we need to discuss the PDH structure first. PDH Plesiochronous Digital Hierarchy. Plesio = Near Chronous = Time. This system is nearly synchronized. Different Stages are almost synchronized. It was very famous Multiplexing technology.The…
Optical Fiber
OPTICAL FIBER Optical fiber is a type of guided medium to transport information from one point to another point.Information travels in the form of light.Data capacity of fiber is very high due to light nature of the signal.It has some important properties High Bandwidth Highly secure Easy to install Low distortion No EMI effect In…
GPON Introduction
GPON Gigabit passive optical network is a running technology in Pakistan.Its implementation is in process and it will fulfill our high data rate requirement.In this video i am giving you a basic concept about GPON network.we will discuss the following terms GPON = Gigabit passive optical network OLT = Optical line terminal ONU/OLT = optical network…
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Facebook new reactions.
Now you can do a whole lot more than “like” a Facebook post. “Love,” “Haha,” “Wow,” “Sad,” and “Angry” are five new Facebook buttons that people can click when responding to a post.Anyone who uses Facebook can now choose from…
Basic Networking Definitions
Networking Basic Definitions. Networking basic definitions are very important to understand the concepts in coming videos. Today we are going to discuss some very basic definitions used in the networking field. If you are interested in networking, then it will…
What is i3,i5 and i7 computer.
Computer Generations i3,i5,i7. Computer generations are very important when planning to purchase a computer. Are u planning to purchase a new computer? Here in this video, we will discuss something about a common problem, “what is i3,i5, and i7”? Before watching…
Decimal to Binary Conversion
Number System Basically, there are multiple number systems but today we are going to discuss two systems and their conversion. A number system is very important to understand the IP Network and Basic Networking concepts. Binary System: It has only…
Microsoft Lumia 650,Built for business.
With robust built-in security features and one-click Office 365 set up, the Lumia 650 with Windows 10 works seamlessly with your company’s Microsoft IT platforms.
USB 2.0 and 3.0 ان میں کیا فرق ہے
Difference between USB 2.0 and USB 3.0 USB 2.0 and 3.0 complete details for full undersyanding <—– click
Urdu Hindi typing
How to type in URDU or other languages(URDU)? Video Language = URDU/HINDI Audience level = Beginner This video tells about How to type in URDU? Software Link : Click Here to open Language software
How to control friend PC(URDU)?
How to control friend PC(URDU)? Video Language = URDU/HINDI