Embedded Systems Exam Summary

805 Microcontroller Pin Configuration

• Explain the pin configuration with a labeled diagram. [4 marks]

Sensors in Embedded Circuits

• Definition: Sensor as an integrated embedded circuit.
• Applications: State any three real-time applications of sensors. [4 marks]

Characteristics of Wireless Connection Mediums

• Tabulate main characteristics of WiFi and Zigbee. [2 marks]

Differentiation between RTOS and OS

• Differentiate RTOS and OS, with two examples each. [4 marks]

Storage Calculation

• Calculate bits in a 16 Megabyte storage. [2 marks]

Machine Cycle Period Calculation

• Crystal Frequencies to find period of the machine cycle:
  • 11.0592 MHz [2 marks]
  • 16 MHz [2 marks]

Explanation of Registers

• Program Status Word (PSW) register. [1 mark]
• Stack pointer register. [1 mark]

Definition of Interrupts

• Define an interrupt.
• State two interrupts in embedded systems. [4 marks]

General Purpose Computers vs Embedded Systems

• Explain four differences. [4 marks]