Instructions: Answer the following ten questions in two to three sentences each, based on the provided source material.

1. What are the three fundamental components of an embedded system as described in the text?
2. Based on the provided comparison table, list three key differences between a microprocessor and a microcontroller.
3. Describe the primary distinction between Harvard and Von Neumann computer architectures regarding memory access.
4. What is a cross-compiler, and how does its function differ from that of a standard compiler?
5. Explain the dual roles of Port 0 and Port 2 on an 8051 microcontroller when it is connected to external memory.
6. What is the Program Status Word (PSW) register in an 8051, and what are its four conditional flags?
7. Describe the process of a “PUSH” operation in an 8051 system. What happens to the Stack Pointer (SP) during this operation?
8. Briefly describe the register indirect addressing mode and state which registers can be used for it.
9. What is the function of the C/T bit in the TMOD register, and how does it differentiate a timer from a counter?
10. What is an Interrupt Vector Table and what role does it play when an interrupt occurs?