Podcast
Questions and Answers
What are the color codes for PS/2 connectors?
What are the color codes for PS/2 connectors?
Why are PS/2 ports considered legacy ports?
Why are PS/2 ports considered legacy ports?
Which port is often miscalled as DB-9 but is actually a DE-9 port?
Which port is often miscalled as DB-9 but is actually a DE-9 port?
What is the main purpose of a parallel port or Centronics port?
What is the main purpose of a parallel port or Centronics port?
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What is the primary reason behind developing the DE-9 port?
What is the primary reason behind developing the DE-9 port?
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Why did many applications not require all the pins in the DB-25 port?
Why did many applications not require all the pins in the DB-25 port?
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What is the main function of a computer port?
What is the main function of a computer port?
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What is another name for a computer port?
What is another name for a computer port?
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How is data transferred in a serial port?
How is data transferred in a serial port?
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Which connector type is commonly associated with serial ports?
Which connector type is commonly associated with serial ports?
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What type of communication involves transferring data in parallel using multiple lines?
What type of communication involves transferring data in parallel using multiple lines?
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Which is an example of a peripheral device connected through a parallel port?
Which is an example of a peripheral device connected through a parallel port?
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Study Notes
PS/2 Connectors
- PS/2 connectors have a 6-pin mini-DIN color code: green for keyboard, purple for mouse.
Legacy Ports
- PS/2 ports are considered legacy ports because they are outdated and have been replaced by newer technologies such as USB.
DE-9 Port
- The port often miscalled as DB-9 is actually a DE-9 port, which is a 9-pin serial port.
Parallel Port
- The main purpose of a parallel port or Centronics port is to connect devices such as printers.
- The primary reason behind developing the DE-9 port is to reduce the number of pins from the original DB-25 port.
DB-25 Port
- Many applications did not require all the pins in the DB-25 port, which led to the development of smaller ports.
Computer Port
- The main function of a computer port is to connect devices to a computer.
- Another name for a computer port is a computer interface.
Serial Port
- Data is transferred in a serial port one bit at a time through a single wire.
- The connector type commonly associated with serial ports is a DE-9 connector.
Parallel Communication
- Parallel communication involves transferring data in parallel using multiple lines, increasing the speed of data transfer.
Peripheral Devices
- An example of a peripheral device connected through a parallel port is a printer.
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Description
Learn about different computer ports and their functions which act as interfaces between the computer and peripheral devices. Understand the main role of computer ports in allowing data to flow between devices seamlessly.
