1. Mabelin, Ma. Katrina Ada F. Rama, Justine Mae A. Ylanan, Aerylle Mae A. BSMT 2B

2.  A port is a connector at the back of a computer where you plug in an external device such as a printer, keyboard, scanner, mouse, modem, etc.  this allows instructions and data to flow between the computer and the device.  the computer ports are also commonly referred to as the Input/Output ports (I/O ports).

3.  Most connectors are polarized.  this permits the cable to be plugged in only in the correct direction.  Computer ports have numerous functions and connectors of varying designs.

4.  Serial Ports  most commonly used for connections to mice and modems.

5.  Parallel Ports  most commonly used for scanners and printers.  also called the “printer port”.

6.  P.S. the basic difference between serial and parallel ports is that of the speed. Parallel port is needed for high speed connection like printers.  P.S.S. serial and parallel ports are now replaced by USB interface.

7.  PS/2 Ports  small, round-shaped ports consisting of 6 pins.  both ports (for mouse and keyboard), look the same. The only difference comes in their color. The purple one is for keyboard and green is for mouse.  P.S. nowadays we have USB ports for mouse and keyboard.

8.  VGA Port  used for connecting a computer to a monitor, or the CPU to the computer monitor.

9.  HDMI (High Definition Multimedia Interface)  ports on computer to transmit High Definition (1080p+) Video from the computer video card to the monitor/TV.

10.  Ethernet/Internet Ports  first introduced in 1980 to standardize the local area networks (LAN).  used to connect to internet and intranet networks at high speed.

11.  Universal Serial Bus (USB) Ports  used to connect many external devices including keyboards, scanners, external hard drives, USB/flash drives (also sometimes called thumb drives or portable USB drives), cameras, iPhones and many other peripherals and devices.

12.  E-SATA  found on the latest computers. These let you plug in the newest breed of portable hard drives with extra speed and larger capacity.  One reason why people prefer e-Sata over USB is that the transfer rate is really fast.

13. SOURCES o http://patkay.hubpages.com/hub/Pc-ports o http://receivetipstricks.com/identify-the-different- ports-on-your-computer/ o http://www.techopedia.com/definition/3659/computer- port o http://www.tutorialspoint.com/computer_fundamentals/ computer_ports.htm o http://removeandreplace.com/2013/04/13/computer- ports-learn-the-name-and-location-of-the-connections- on-your-desktop-computer-or-laptop/