Line Coding

Line Coding Line coding a technique to convert digital data into a digital signal.In our last video Pulse Code Modulation, we learn that how to convert any analog signal into digital bits.Now if we want to send these bit over a…
PCM Pulse Code Modulation

Pulse Code Modulation PCM Pulse code modulation is a technique, which is used to convert an analog signal into digital signal. PCM is the preferred method of communication within the public switched telephone network (PSTN). It is an old but widely…
RAM Random Access Memory

RAM Random Access Memory It is a type of memory and store data. A processor can access its individual memory cell in any sequence. It is: Volatile memory. Temporary memory. Primary memory. We have already discussed volatile, temporary memory and primary…
Ubiquitous computing

Ubiquitous Computing. This concept is not new but now it is getting famous.It is taking us in the world of automation.Before getting its concept, you need to clear that What is a computer? Here we will discuss the basic definition of the computer.…
Number system conversion

Number System The number system is a method to count or calculate something.In our daily life, we are using the different type of number system.The most common number system is decimal number system.Some number systems are the octal number system,…
T1 and E1 Lines

E1 and T1 Lines E1 and T1 standards are basically introduced for voice communication. Both are using TDM for frame formation. In this video, we will discuss the digital transmission advantages and disadvantages. Basic concept about Modulation, Multiplexing, and PCM is…
Microsoft Excel Video # 10

Microsoft Excel Now Microsoft Excel video # 10 is in front of you.In this video, I m going to discuss multiple small formulas. Sumif Averageif Countif Index Match Choose Hlookup All these are small formulas but very important for your…
Microsoft Excel Video # 9

Microsoft Excel Now  Microsoft excel video # 9 is in front of you.In this video, I m going to discuss multiple small formulas. Len Substitute Trim Join word Right Left  Mid All these are small formulas but very important for…
Microsoft Excel Video # 8

Microsoft Excel Now Microsoft Excel video # 8 is in front of you.Today, we will discuss a new formula “IF”.”IF” is a  logical formula.We use this formula to put some logical test.You can check my last video of this series…
Microsoft Excel Video # 7

Microsoft Excel Now Microsoft Excel video # 7 is in front of you.Today, discuss a new formula “VLOOKUP”.This concept is very important and useful for an office worker. You can check my last video of this series from here MS…
Microsoft Excel Practice # 1

Microsoft Excel Now Microsoft Excel practice # 1 is in front of you. Today, we will discuss some practical implementation of excel. We will do the basic calculation.I will put a practical scenario in this video. You can check my last…
Microsoft Excel Video # 6

Microsoft Excel Now Microsoft Excel video # 6 is in front of you.In this video, I will give you a quick review of previous topics. You can check my last video of this series from MS Excel 5