AKTU Operating System (BCS401) Question Bank with Solutions – B.Tech 2nd Year Sem 4

Download the AKTU Operating System (BCS401) question bank PDF for B.Tech 2nd Year, Semester IV students of Dr. A.P.J. Abdul Kalam Technical University (AKTU), Lucknow. It is prepared for Computer Science & Engineering and Allied Branches and focuses on processes, CPU scheduling, deadlocks, memory management, file systems and I/O — everything you need for revision and the semester examination.

Question Bank Details

• Subject Code: BCS401
• Subject: Operating System
• Programme: B.Tech.
• Year: 2nd Year
• Semester: IV
• Branch: Computer Science & Engineering and Allied Branches
• University: AKTU, Lucknow
• Type: Question Bank
• Language: English
• Format: PDF

What This Question Bank Contains

• Unit-wise short-answer questions
• Unit-wise long-answer questions
• Previous-year questions with answers
• Most Important and Important questions
• Exam-oriented answers, diagrams and solved numerical problems
• AKTU-format sample model question paper

Unit-Wise Coverage

Unit I - Introduction to Operating Systems

Operating system definition and goals, functions of operating systems, computer system organisation, classification of operating systems, operating system structures, system components, OS services, booting, shell and kernel interaction, OS evolution, design and implementation, interrupt handling, buffering, caching, spooling and operating system case studies.

Unit II - Concurrent Processes

Process concept, process creation and termination, principles of concurrency, producer-consumer problem, mutual exclusion, critical-section problem, software and hardware solutions, semaphores, classical concurrency problems, monitors, inter-process communication, Lamport Bakery algorithm, spinlocks, busy waiting, memory barriers, POSIX and Java synchronization, sockets and RPC.

Unit III - CPU Scheduling and Deadlock

CPU scheduling concepts, scheduling performance criteria, process states, process transition diagrams, schedulers, Process Control Block, address space, process identification, threads and thread management, scheduling algorithms, multiprocessor scheduling, deadlock system model, deadlock characterization, prevention, avoidance, detection and recovery.

Unit IV - Memory Management

Memory management background, bare machine and resident monitor, contiguous memory allocation, fixed and variable partitions, protection schemes, paging, segmentation, paged segmentation, virtual memory, demand paging, page replacement algorithms, thrashing, cache memory organization and locality of reference.

Unit V - I/O Management and File System

I/O devices and hardware, I/O subsystem and software, I/O buffering, disk storage structure, disk scheduling, RAID, file concepts, file organization and access mechanisms, file directories, file sharing, file system implementation, allocation methods, free-space management, efficiency, performance, recovery, file system protection and security.

Why Use This Question Bank for AKTU Operating System?

It follows the AKTU syllabus unit by unit, so you can revise quickly, practise the types of questions asked in the semester examination and plan your preparation. Use it together with the related notes, previous year papers and syllabus for BCS401 available on Notes.UniversityAcademy.