15. Computer Fundamentals - Part D
This chapter explores digital electronics concepts, focusing on memory expansion techniques, input/output ports, and various devices for data storage and communication. The use of serial and parallel ports, along with explanations of different bus architectures, sets a foundation for understanding computer hardware interactions. It concludes with an overview of input/output devices and significant advancements in storage technology.
Sections
Navigate through the learning materials and practice exercises.
What we have learnt
- Memory chips can be combined to create larger memory capacities by utilizing common address inputs.
- Input and output ports are categorized into serial and parallel types, with various standards serving different purposes in connectivity.
- Secondary storage methods, including magnetic, optical, and magneto-optical devices, provide essential data retention capabilities.
Key Concepts
- -- Memory Chip Expansion
- Connecting multiple memory chips to expand the number of memory locations available for data storage.
- -- Serial Ports
- Communication interfaces that send data one bit at a time, commonly used for devices like keyboards and mice.
- -- Parallel Ports
- Communication interfaces that allow multiple bits to be sent simultaneously over several wires, used for printers and external drives.
- -- Optical Storage Devices
- Data storage media that use laser technology to read and write data, examples include CDs and DVDs.
Additional Learning Materials
Supplementary resources to enhance your learning experience.