Introduction

Operating and computer systems #

Scope #

  • What is the operating system?
  • Four components of the computer system.
  • Fundamental modes of computer system operation:
    • off-line,
    • on-line / interactive,
    • real-time (RT).
  • Operating system goals.
  • Computer system resources.
  • Operating system services.
  • System functions, system API, API standards.
  • Interrupts, traps - handling and use (I/O, system function calls, error detection).
  • Hardware protection: dual mode CPU (and priviledged instructions), I/O protection, memory protection, system timer.

Reference #

  1. Textbook (8th-10th ed.): chapter. 1 (Introduction), 2 (System structures).
  2. Lecture presentation (PDF)
  3. Lecture code samples
  4. Old slides: Intro.pdf