This document discusses different types of data transmission including parallel transmission, serial transmission, bandwidth, baseband, and broadband. Parallel transmission sends groups of bits simultaneously over multiple lines, while serial transmission sends bits one at a time sequentially. Bandwidth refers to the amount of data that can be transferred through a communication medium in a given time. Baseband directly transmits digital signals over transmission lines without modulation, whereas broadband transmits large amounts of data like voice and video over long distances by modulating each signal onto a different frequency.

1. Chapter#03
TYPES OF DATA TRANSMISSION
PROF. MUHAMMAD NAZEER

2. Q: Discuss different types of data
transmission.
Parallel Transmission
Serial Transmission

3. Parallel transmission
 A method of transmission in which groups of
bits are sent at the same time over multiple
lines is called parallel transmission.
 It is usually unidirectional .
 Each bit is transmitted over a separate line.

4. Parallel transmission

5. Serial Transmission
A method of transmission in which
data is sent one bit at a time is called
serial transmission.
Serial transmission is slower than
Parallel transmission as data is sent
sequentially one bit at a time.

6. Serial Transmission

7. Bandwidth
 The amount of data that can be transferred
through a communication media In a unit of
time is called bandwidth.
 The bandwidth of digital signals is measured in
bits per second or Bytes per second.
 The bandwidth of analog signals is measured
in cycle/second or Hertz.

8. Baseband
Baseband is a communication
techniques in which digital signals
are placed on the transmission line
without change in modulation.
It means that digital signals directly
transmitted over transmission line.

9. Broadband
Broadband is a technique to transmit
large amounts of data such as voice
and video over long distance.
It can send data by modulating each
signal onto a different frequency.