1.2.1 Serial and Parallel Data Transmission

• show understanding of what is meant by transmission of data
• distinguish between serial and parallel data transmission
• show understanding of the reasons for choosing serial or parallel data transmission
• show understanding of the need to check for errors
• explain how parity bits are used for error detection
• identify current uses of serial and parallel data transmission, such as Integrated Circuits (IC) and
Universal Serial Bus (USB)