Real Time Systems (KCS063) - AKTU Question Paper 2021-22
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 2021-22. 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:2021-22
University:AKTU / UPTU
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Questions Asked in 2021-22
Real Time Systems (KCS063) — complete question paper
Section AAttempt all q u e s t i o n s i n b r i e f . 2*10 = 20
- aDefine real-time system. 1
- bDifference between hard and soft Real time systems. 1
- cDefine priority inheritan ce and priority inversion. 2
- dCompare open system with a close system. 2
- eDefine Byzantine failures. 3
- fExplain how to overcome the blocking of lower priority by h igher priority task?
- gGive the reasons for the m essage delay in real time communication. 4
- hExplain sporadic jobs i n real time scheduling, 4 (i) Distinguish traffic shaping and policing. 5 (j) List the features of UNIX real time operating system. 5
Section BAttempt any three o f t h e f o l l o w i n g : 10*3 = 30
- aDifferentiate between real time operating system and genera l purpose operating system. Explain the working of any real time operatin g system
- bDifferentiate between fixed priority and dynamic priority a lgorithms. State and prove the optimality of Least Slack Time(LST) First algorithm
- cCompare priority inheritan ce protocol with priority ceiling protocol. Discuss the pros and cons of each protocol
- dIn reference to the real t ime communication explain Virtual Time Carrier Sensed Multiple Access Protocol (VTCSMA) with suitable example
- eDiscuss which category of conc urrency protocol is best suit ed under what circumstances
Section CAttempt any one p a r t o f t h e f o l l o w i n g : 10*1 = 10
- aExplain why predictability is an important requirement of a real time systems? Discuss different techniques to enforce this requirement
- bWhat are the characteristics of real time system? Also expl ain the timing constrains of real time system
- aCan we consider Earliest Deadline First (EDF) as a dynamic priority scheduling algorithm for real time task? Justify your answer
- bExplain the characteristic s of periodic, aperiodic and sporadic real time tasks
- aExplain important features and governing rules of Preemption Ceiling Protocol and differentiate it with Priority Ceiling Protocol
- bCompare Priority Inheritance protocol with priority ceiling protocol. Discuss the pros and cons of each protocol
- aDiscuss various network architecture issues in real time communications. ( b ) W h a t a r e t h e d i f f e r e n t t y p e s o f i s s u e s t h a t a r e s o u r c e r e s ervation protocol must deal with in a multicast environment? Explain
- aDefine temporal parameter of real time workload. Explain di fferent types of temporal parameters of a job
- bExplain the data structur e of a real time kernel. 5
Question text is extracted from the official AKTU question paper PDF above. Hindi translations are omitted — every question is printed in English in the original paper. Last verified: 2026-08-23.
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