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An Operating System (OS) is an interface between a computer user and computer hardware.
An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.


Mode Of Examination

Online Examination

Number Of Question: 100 (1 Marks Each)

Total Time: 120 Min



Processes. These include Process Control Block, Scheduling Queues, Synchronization, Creation and Inter Process Communication.

Distributed Communication:

The concept of Distributed Communication. They include Remote Procedure Calls and Structures.

CPU Scheduling:

The phenomenon of CPU Scheduling. They include CPU Scheduling Benefits and CPU Scheduling Algorithms.

Process Synchronization:

The concept of Process Synchronization. These include questions on The Critical Section (CS), Semaphores, Synchronization Problems, Monitors and Atomic Transactions.


The sub-topics include Deadlock Prevention, Avoidance, Detection and Recovery.

Memory Management:

Swapping Processes, Memory Management and Allocation, Paging and Segmentation.

I/O Systems:

I/O Systems like Application Interfaces and Kernel Subsystems.

Real Time Operating Systems(RTOS):

Implementation of Real Time Operating Systems and Real Time CPU Scheduling.

Multimedia Systems:

Compression of Multimedia Systems, Network Management of Multimedia Systems and Disk Scheduling of Multimedia Systems.


Security of System Threats, Detection of Intrusions, making systems and facilities secure and the concept of Cryptography used for Security.

The Linux System:

Threading and their respective models, various system calls like exec and fork, Thread Pools and Cancellation, various concepts of Virtual Memory, Demand Paging, certain Page Replacement Algorithms and Thrashing.

File Systems and their implementation:

File systems, certain access methods, directory structures, mounting and sharing and certain allocation methods.

Mass-Storage Structures:

Scheduling of disks, Swap space management, various structures of RAID and other tertiary storage structures.


Various sub-topics of Protection. It includes Access Matrix, protection of memory and revocation of access rights.

Distributed File Systems:

The properties of Distributed File Systems, Sharing of Resources, Coordination, Robustness and Synchronization.

Course Currilcum

                  • Diploma in Operating System (Online Certification Courses) 02:00:00
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