Maintenance For Grade 11

This learning module is prepared to help you to achieve the required competency to identify career
pathway for computer maintenance and networking, identify computer ports and cables, identify
safe work condition in computer maintenance and networking pathway and plug external computer
hardwires.
This module covers the following unit titles
• Overview of Computer Hardware and Networking Pathway
• Computer Ports and Cables
• Safe Work Conditions and Procedures
• External Computer Hardware Devices
This module will also assist you to attain the following learning outcomes.
Parallel ports are generally used for connecting scanners and printers. It can send several bits at
the same time as it uses parallel communication. Its data transfer speed is much higher in
comparison with the serial port. It is a 25 pin model. It is also known as Printer Port or Line
Printer Port.
A parallel port is used to connect external devices such as scanners and printers. The older type
was Centronics 36 Pin Port before being replaced by the DB-25 port with a parallel interface