B.TechSemester 62023-24Real Time SystemsKOE061
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Real Time Systems (KOE061) - AKTU Question Paper 2023-24

B.Tech · Semester 6 · Free PDF Download

This is the official AKTU Real Time Systems Previous Year Question Paper for B.Tech Semester 6, academic session 2023-24. Published by Dr. A.P.J. Abdul Kalam Technical University (AKTU/UPTU), Lucknow. Free PDF download — no login required.

Course:B.Tech
Semester:Semester 6
Session:2023-24
University:AKTU / UPTU

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Questions Asked in 2023-24

Real Time Systems (KOE061) — extracted question text · 100 marks · 3 Hours

Section AAttempt all q u e s t i o n s i n b r i e f .
  • a
    Differentiate between hard real-time systems and soft real-tim e systems. 02
  • b
    Define a real-time system. 02
  • c
    What is the difference between dynamic and static systems in real-time scheduling? 02
  • d
    How are aperiodic and sporadic j obs scheduled in priority-driven systems? 02
  • e
    Explain resource access control (RAC) in real-time systems. 02
  • f
    What techniques are used to control concurrent access to data objects? 02
  • g
    Differentiate between soft a nd hard real-time communication systems. 02
  • h
    What is the function of Medium Access Control (MAC) protocols in broadcast networks? i. What are POSIX issues related to real-time systems? 02 j. Provide an overview of commerc ial real-time databases. 02
Section BAttempt any three o f t h e f o l l o w i n g :
  • a
    Evaluate the importance of release times, deadlines, and tim ing constraints in the design of real-time systems. How do these factors affect the scheduling of tasks?
  • b
    Discuss the weighted round ro bin approach to real-time sched uling. Explain how it works and analyze its advantages and disadvantages compared to other real-time scheduling methods
  • c
    Discuss the effects of resource contention in real-time syst ems. Explain how resource contention can impact system performance and task scheduling
  • d
    Examine the challenges and solutions associated with real-ti me communication over the Internet. Discuss the role of resource reservation protocols (such as RSVP) in managing network resources and ensuring quality of service (QoS) for real-time applications
  • e
    Evaluate the use of UNIX as a real-time operating system. Di scuss the modifications and enhancements required to ada pt UNIX for real-time applicati ons. Analyze the advantages and limitations of using UNIX in real-time environments
Section CAttempt any one p a r t o f t h e f o l l o w i n g :
  • a
    Describe the periodic task m odel in real-time systems. Discuss how this model helps in the scheduling of tasks and the management of system resources
  • b
    Analyze the impact of missing a deadline in both hard and so ft real-time systems. Discuss the potential consequences in terms of system performan ce, safety, and reliability
  • a
    Evaluate the optimality of th e Earliest-Deadline-First (EDF) and Least-Slack-Time- First (LST) scheduling algorithms. Discuss the theoretical foun dations of these algorithms and compare their effectiveness in ensuring that tasks meet their deadlines
  • b
    Describe the Rate Monotonic Algorithm (RMA) for real-time sc heduling. Explain its principles and analyze its strengths and limitations. Compare RMA with the Effective- Deadline-First (EDF) algorithm, discussing scenarios where one might be preferred over the other
  • a
    Explain non-preemptive critical sections and their role in r eal-time systems. Discuss the advantages and disadvantages of using non-preemptive critical sections
  • b
    Discuss the priority-ceiling protocol and its variations. Co mpare the basic priority- ceiling protocol with the stack-based priority-ceiling protocol . Explain the differences between these protocols and analyze their advantages and disadv antages in managing resource access in real-time systems
  • a
    Analyze the model of real-time communication. Describe the k ey components and processes involved in ensuring timely and reliable communication in real-time systems
  • b
    Explain the weighted round-robin service discipline and its application in switched networks for real-time communication. Compare this approach wit h priority-based service disciplines and discuss their respective advantages and disadvantages
  • a
    Describe the characteristics of temporal data in real-time d atabases. Discuss how temporal data differs from traditional data and the challenges involved in managing temporal data in real-time systems
  • b
    Discuss concurrency control in real-time databases. Explain the challenges of managing concurrent access to data in a real-time environment and the techniques used to address these challenges

Question text is extracted from the official AKTU question paper PDF above. Check the original PDF for equations, diagrams and complete wording. Extracted: 2026-08-23.

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