DATA TRANSMISSION METHODS DEFINITION SERIAL DATA TRANSMISSION A transmission method where data is sent one bit at a time down a single wire USB (Universal Serial Bus) Keyboard Ethernet (Networking) Router Bluetooth(Wireless Communication) Bluetooth Headset Parallel Data Transmission PARALLEL DATA TRANSMISSION Serial Data Transmission A transmission method where data is sent multiple bits at a time down multiple wires System Interconnects Internal Computer Buses Parallel Port Devices Older Printers COMPARISON ADVANTAGES Serial Data Transmission DISADVANTAGES Parallel Data Transmission Simpler hardware and wiring Faster data transfer within short distances Typically more cost-effective due to simpler components Simultaneous transfer of multiple bits More scalable for long-distance communication Less susceptible to signal interference Suitable for real-time applications Offers redundancy options for increased reliability APPLICATION OF SERIAL DATA TRANSMMISSION Long-Distance Communication: When transmitting data over long distances, serial transmission is often more suitable due to its ability to maintain signal integrity over extended cables. For instance, in telecommunications networks transmitting data across continents, serial transmission via fiber optic cables is preferred due to its lower susceptibility to signal degradation. Serial Data Transmission Parallel Data Transmission Typically slower compared to parallel transmission for large data sets Requires complex hardware and synchronization mechanisms Longer transmission time due to single-bit data transfer Requires complex hardware and synchronization mechanisms More challenging error detection and correction due to continuous data stream Susceptible to signal interference and synchronization challenges Less efficient for short-distance communication Restricted distance due to synchronization issues and signal degradation APPLICATION OF PARALLEL DATA TRANSMISSION High-Speed Data Transfer Locally: In scenarios where high-speed data transfer is required within short distances, parallel transmission might be suitable. For instance, historically, in high-performance computing applications or within a computer system itself, parallel buses were used to transfer data between components like memory, processors, and peripheral devices at faster rates.