Basics
Framing- Character stuffing
What is byte stuffing in computer networks? Purpose of Byte Stuffing In Data Link layer, the stream of…
July 22, 2021 · Rajil TLBasics
Basics
Cyclic Redundancy Check
Cyclic Redundancy Check (CRC) An error detection mechanism in which a special number is appended to a block of…
July 22, 2021 · Rajil TLBasics
Hamming code
Hamming Code in Computer Network Hamming code is a set of error-correction codes that can be used to detect…
July 22, 2021 · Rajil TLBasics
Delta modulation (Dm)
The sampling rate of a signal should be higher than the Nyquist rate, to achieve better sampling. If…
July 22, 2021 · Rajil TLBasics
Pulse code modulation (PCM)
Pulse code modulation (PCM) Modulation is the process of varying one or more parameters of a carrier signal in accordance…
July 22, 2021 · Rajil TLBasics
Analog to Digital Conversion
Digital Signal: A digital signal is a signal that represents data as a sequence of discrete values; at any…
July 22, 2021 · Rajil TLBasics
Subnet Masks
An IP address has two components, the network address and the host address. A subnet mask separates the IP address…
July 22, 2021 · Rajil TLBasics
Types of Line Coding
I. Unipolar Scheme: In a unipolar scheme, all the signal levels are on one side of the time…
July 22, 2021 · Rajil TLBasics
Line coding
Line coding refers to the process of converting digital data into digital signals. Whenever we transmit data it…
July 22, 2021 · Rajil TLBasics
Data encoding
Encoding is the process of converting the data or a given sequence of characters, symbols, alphabets etc., into a…
July 22, 2021 · Rajil TL