Questions and Answers
What are the four key areas of focus for Topic 1 in IB DP Computer Science?
The four key areas of focus for Topic 1 in IB DP Computer Science are: System Fundamentals, Computer Organization and Networks, Computational Thinking, and Programming.
Explain the difference between a Von Neumann architecture and a Harvard architecture.
In a Von Neumann architecture, both data and instructions are stored in the same memory, while in a Harvard architecture, data and instructions are stored in separate memories.
What is the purpose of a compiler and an interpreter in programming?
A compiler translates the entire program into object code before execution, while an interpreter translates and executes the program line-by-line.
Study Notes
Topic 1 in IB DP Computer Science
- The four key areas of focus are: Computer Systems, Networks, Computational Thinking, and Programming
- These areas provide a comprehensive foundation for understanding the fundamental concepts of computer science
CPU Architectures
- A Von Neumann architecture uses a single bus to transfer both data and instructions, which can lead to a bottleneck
- A Harvard architecture uses separate buses for data and instructions, increasing overall performance
- The key difference lies in the way instructions and data are accessed and processed
Programming Language Processing
- A compiler translates high-level code into machine code, which can then be executed directly by the CPU
- An interpreter translates high-level code into machine code line by line, executing each line before translating the next one
- Compilers and interpreters serve as intermediaries between programmers and computers, enabling the execution of high-level programming languages
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