2 What is a part ? What are the different typer
of
ports available on a computer any three)
Answers
Answer:
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.
Answer:
?
A Computer Port is an interface or a point of connection between the computer and its peripheral devices. Some of the common peripherals are mouse, keyboard, monitor or display unit, printer, speaker, flash drive etc.
Types of ports:
1. Serial ports –
A serial port is basically a serial communication interface through which information transforms one bit at a time. It is one of the oldest type of interfaces.
These are basically used for external modems.
These are basically available in two versions in market these are 9 pin, 25 pin model.
Data travels at a speed of 115 kilo-bits per second.
2.Parallel ports –
A parallel port is basically a parallel communication interface through which information transforms multiple bits at a time.
These are basically used to connect peripherals such as scanner or printers.
These are also known as printer port.
These are available in 25 pin model.
Data travels at a speed of 150 kilo bits per second.
3. PS/2 ports –
These are basically 6 pin mini Din connector used to connect keyboard, mice to a PC compatible computers.
These are basically used by old computers for connecting mouse or keyboard.
These are called as mouse port.
These ports are still favoured in organisation for security reason.
These ports provides no restriction on key rollover