Real Time Systems Lecture Note


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Name of Notes : – Real Time Systems Lecture Note


Real time system means that the system is subjected to real time, i.e., response should be guaranteed within a specified timing constraint or system should meet the specified deadline. For example: flight control system, real time monitors etc.

Types of real time systems based on timing constraints:

  1. Hard real time system –
    This type of system can never miss its deadline. Missing the deadline may have disastrous consequences. The usefulness of result produced by a hard real time system decreases abruptly and may become negative if tardiness increases. Tardiness means how late a real time system completes its task with respect to its deadline. Example: Flight controller system.
  2. Soft real time system –
    This type of system can miss its deadline occasionally with some acceptably low probability. Missing the deadline have no disastrous consequences. The usefulness of result produced by a soft real time system decreases gradually with increase in tardiness. Example: Telephone switches.

Modules / Lectures

  • Introduction
  • Real-Time Task Scheduling
  • Handling Resource Sharing and Dependencies Among Real-Time Tasks
  • Scheduling Real-Time Tasks in Multiprocessor and Distributed Systems
  • Commercial Real-Time Operating Systems
  • Real-Time Communication
  • Real-Time Databases

Additional information

Product Name

Real Time Systems Lecture Note

Product Size

2.70 MB


File Format

File Category


Need For

College, Competition, Entrance, Exams, PSU, Semester, University

Product Type

Written By

Prof. Rajib Mall

Provided By

IIT Kharagpur

Uploaded By

Roop Chandra




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