Abdulhakim-Mohammad-Al-shariff-Porte-and-connector.pptxAbdulhakim-Mohammad-Al-shariff-Porte-and-connector.pptxAbdulhakim-Mohammad-Al-shariff-Porte-and-connector.pptx

1. Ports and Connectors
in Computer System

2. PORT:
A Computer Port is an interface or a point of connection
between the computer and its peripheral devices.
The main function of a computer port is to act as a point
of attachment, where the cable from the peripheral can
be plugged in and allows data to flow from and to the
device.
In Computers, communication ports can be divided
into two types based on the type or protocol used
for communication. They are Serial Ports and
Parallel Ports

3. -A serial port is an interface through which peripherals can
be connected using a serial protocol which involves the
transmission of data one bit at a time over a single
communication line.
Serial Port
Parallel Port
-A parallel port, on the other hand, is an interface
through which the communication between a computer
and its peripheral device is in a parallel manner. Data is
transferred in or out in parallel using more than one
communication line or wire.

4. Connector :
A computer port connector is a physical interface
on a computer or peripheral device that allows
for the connection of external devices. These
connectors facilitate communication and data
transfer between the computer and peripherals

5. Three kinds of serial port:
Ps/2 Port
-PS/2 is a type of serial port, PS/2 connector is developed by IBM
for connecting mouse and keyboard. It was introduced with IBM’s
Personal Systems/2 series of computers and hence the name PS/2
connector. PS/2 connectors are color coded as purple for keyboard
and green for mouse.

6. DB-25
DB-25 is a 25-pin electrical connector for serial and
parallel computer ports.The female DB-25 is primarily
used for computer printer ports. Older computers
contain only one DB-25 female parallel port.

7. DE-9 or RS-232 or Com Port
-DB9 connectors were commonly used for serial peripheral devices
like keyboards, mice, joysticks, etc. Also they are used on DB9 cable
assemblies for data connectivity. which determined the function of
all nine pins as a standard, so that multiple companies could design
them into their products.

8. Kinds of Parallel Port and Connector :
Centronics 36 pin port
-There is a special kind of 36pin
connector called a Centronics
connector, named after the
printer manufacturer
Centronics. A cable that has a
25-pin D-sub connector on one
end and a 36-pin on the other
is called a Centronics or parallel
cable.

9. 3.5 mm TRS Port and Connector
-It is the most commonly found
audio port that can be used to
connect stereo headphones or
surround sound channels. A 6
connector system is included on
majority of computers for audio
out as well as a microphone
connection.
AUDIO PORT :

10. S/PDIF/TOSLINK
- The Sony/Phillips Digital
Interface Format (S/PDIF) is
an audio interconnect used
in home media. It supports
digital audio and can be
transmitted using a coaxial
RCA Audio cable or an
optical fiber TOSLINK
connector.

11. VIDEO PORT :
VGA
-The Video Graphics Array
(VGA) connector is a standard
connector used for computer
video output. Originating with
the 1987 IBM PS/2 and its VGA
graphics system, the 15-pin
connector went on to become
ubiquitous on PCs as well as
many monitors, projectors and
high-definition television sets.

12. DVI
DVI is a high speed digital video interface between a
display controller like a computer and a display device like
a monitor. It was developed with an aim of transmitting
lossless digital video signals and replace the analogue VGA
technology.

13. Mini-DVI
Mini-DVI port is developed by Apple as an alternative to
Mini-VGA port and is physically similar to one. It is
smaller than a regular DVI port. It is a 32 pin port and is
capable of transmitting DVI, composite, S-Video and
VGA signals with respective adapters.

14. Micro-DVI
Micro-DVI port, as the name suggests is physically
smaller than Mini-DVI and is capable of transmitting
only digital signals. This port can be connected to
external devices with DVI and VGA interfaces and
respective adapters are required.

15. RCA
RCA can carry composite
video and stereo audio
signals over three cables.
Composite video transmits
analogue video signals and
the connector is as yellow
colored RCA connector. The
red and white connectors
are used for stereo audio
signals

16. S-VIDEO
S-Video or Separate Video
connector is used for transmitting
only video signals. The picture
quality is better than that of
Composite video but has a lesser
resolution than Component video.
The S-Video port is generally black
in color and is present on all TVs
and most computers. S-Video port
looks like a PS/2 port but consists
of only 4 pins.

17. HDMI
High Definition Media Interface. HDMI is a digital
interface to connect High Definition and Ultra High
Definition devices like Computer monitors, HDTVs, Blu-Ray
players, gaming consoles, High Definition Cameras etc and
HDMI connector consists of 19 pins.

18. USB:

19. USB A
USB-A is the most commonly known USB type. The odds are
you have plenty of USB-A connectors at home and you’re
quite familiar with the way the look. It’s the cable with that
one wider end. Only one, as the connector is not rotationally
symmetrical and both ends are different, corresponding to a
different type of port.

20. Micro A
Micro USB is a type of USB connector commonly used for
smartphones, tablets, cameras, and other portable devices.
It's smaller and more compact compared to the standard
USB Type-A connector, making it suitable for smaller
devices where space is limited.

21. TYPE-C
USB Type-C, is a 24-pin
connector (not a protocol) that
supersedes previous USB
connectors and can carry audio,
video and other data, e.g., to
drive multiple displays, to store
a backup to an external drive. It
can also provide and receive
power, such as powering a
laptop or a mobile phone.

22. USB lightning
The Lightning connector is used to connect Apple mobile
devices like iPhones, iPads, and iPods to host computers,
external monitors, cameras, USB battery chargers.

23. Mini A
A mini USB port typically has a trapezoidal shape and
five pins arranged in a circle or square. The pins are
smaller and closer together than those on a regular USB
port. Mini USB ports are commonly used on older
cameras, mobile phones, and other small electronic
devices.

24. TYPE B
USB Type B refers to a specific
type of USB connector
commonly used for peripheral
devices such as printers,
scanners, and external hard
drives. It typically has a square
shape with beveled corners
and is larger than the more
common Type A connector
found on computers.

25. Mini B
USB Mini-B refers to a smaller variant of the connector. It was
commonly used in portable devices like digital cameras, MP3
players, and older smartphones. However, it has largely been
replaced by the micro-USB and USB-C connectors in recent
years. The USB Mini-B connector typically has five pins. These
pins are used for various functions such as power, data transfer,
and device identification.

26. RJ-45
Ethernet is a networking technology that is used to connect
your computer to Internet and communicate with other
computers or networking devices. The interface that is used
for computer networking and telecommunications is known
as Registered Jack (RJ) and RJ – 45 port in particular is used
for Ethernet over cable. RJ-45 connector is an 8 pin – 8
contact (8P – 8C) type modular connector.

28. RJ-11
RJ-11 is another type of Registered Jack that is used as an
interface for telephone, modem or ADSL connections.
Even though computers are almost never equipped with
an RJ-11 port, they are the main interface in all
telecommunication networks. RJ-45 and RJ11 ports look
alike but RJ-11 is a smaller port and uses a 6 point – 4
contact (6P – 4C) connector even though a 6 point – 2
contact (6P – 2C) is sufficient. The following is a picture of
an RJ-11 port and its compatible connector.

30. SATA
• e-SATAp
• e- SATA
eSATA is a SATA connector accessible from outside the
computer, to provide a signal (but not power) connection
for external storage devices. eSATAp combines the
functionality of an eSATA and a USB port, and a source of
power in a single connector. eSATAp can supply power at
5 V and 12 V.

32. T
Thank you!
Reference: https://www.electronicshub.org/types-of-computer-
ports/