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Operating System Questions and Answers August 07, 2022

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Which Department is accountable to ensure availability of the system to ensure employees get paid timely ? Information Technology Department Internal Audit Information Security Department Accounting Department

Neutral or positive messages follow the a. AIDA plan b. Direct organizational plan c. Indirect organizational plan d. Marshall Plan.

Case Study 1: How Low Will You Go? When does client entertainment cross the line? What are examples of appropriate entertainment? What are examples of inappropriate entertainment?

Elyse Suarez stepped into the role of president of MedHome 2 years ago when her father Harry retired. MedHome is a supplier of med ical equipment and supplies to care facilities and home care patients with a large warehouse, fleet of delivery vehicles, four retail locations, and approximately 180 loyal employees with very low turnover. Elyse had a

Name a at risk population group and relate two foundational Healthy people 2020 health measure to their health status? Describe how nurses could be better utilized within the community to support the health of this risk community members. Discuss specific roles for the BSN RN in the community setting related to the specific identified health

Detail a process for technology assessment with four interrelated steps: scoping, searching, evaluating, and committing. Show how an organization can apply this process to its decisions regarding 3D printing technology.

Disabling interrupts frequently can affect the systems clock. Explain why this can occur and how such effects can be minimized.

How a binary semaphore can be used to implement mutual exclusion among n processes.

Race conditions are possible in many computer systems. Consider a banking system that maintains an account balance with two functions: deposit(amount) and withdraw(amount). These two functions are passed the amount that is to be deposited or withdrawn from the bank account balance. Assume that a husband and wife share a bank account. Concurrently,

Why the need of open-source operating systems is fruitful? How can security measures take in such systems?

The occurrence of an event is usually signaled by an event from either the hardware or the software. Please elaborate the importance of the interrupt and how are these going to be scheduled and handled?

The dual mode of operation provides us with the means for protecting the operating system from errant users and errant users from each other. Justify the statement.

Elaborate the difference between Ubuntu and Linux?

While creating new machine on VMware, we do set hard disk storage to some range. Please justify what range we should set, and why it is essential to set storage space to the specified range?

Explain the Linux cd command options along with the description?

Mention the purpose of cat command?

Mention the system calls with their required arguments for Reader side in Inter Process Communication.

How does ctrl+C system call handle by Operating system, implement its program in C.

Interrupts serve as significant part of computer architecture. How does operating system handle the transfers of interrupts or any event?

How does dual mode and multimode operation help operating systems to perform its working?

Define system call? Which system calls generate during copying the contents of one file into other file?

How the user goals impacts on the design of operating systems?

Elaborate the purpose of ready queue and waiting queue with difference among them.

How do processes communicate in IPC-shared memory region? Which process create a shared region in its address space? Please explain it with proper justification.

Why do a parent process create a child process, and can abort the child, too?

How mutex locks are cooperating in process synchronization? Moreover, which problems processes face in acquiring the mutex locks?

How Reader-writer Classical problem is helpful in detecting and recovering the problems of process synchronization?

How the user goals impacts on the design of operating systems?

The Sunergy Company wants to invest in constructing and operating a 1 MW PV power plant in southern part of Hebron, if the initial cost of the plant is 1 million dollar and the expected annual maintenance and operational cost is 2000 with an expected lifetime of 25 years. During the first years of the project Synergy is expecting to sell 2000 MWh

For each of the following measures, identify which perspective of the balanced scorecard it represents: financial, customer, internal business process, or learning-and growth. service response time market share gross margin percentage defect rates: A. internal-business-process B. customer C. financial D. internal-business-process

What is thread? Explain thread structure. OR Explain thread in brief with its structure.

What are the Similarities and Dissimilarities between Process and Thread?

Give difference between User level threads and Kernel level threads.

Explain Thread models. OR Explain type of Thread Usage. Dispatcher Worker model

Explain Designing issues in Thread package.

What is Scheduling in distributed systems? Explain Desirable features of a good Global scheduling algorithm.

What is Processor Allocation OR Task Assignment in Distributed system? Explain Process allocation OR Task assignment algorithms.

Classify Load balancing approaches and Explain each in detail. Write advantages of Load balancing

Explain issues in Designing Load Balancing Algorithms.

What is Load sharing in Distributed system? Explain Location policies in Designing Load Sharing Algorithms.

What is process migration? List the steps for it. What are the advantages of process migration?

What are the desirable features of a good process migration mechanism?

What is Fault Tolerance. Explain classification of Component faults. Explain technique to handle Redundancy.

What is Real time distributed system? Explain the types of Real time distributed system.

What is Distributed file system? Explain Benefits and Services of distributed file system.

Explain feature and goals of distributed file system.

Explain File models of a distributed file system.

Explain File accessing models of a distributed file system.

Explain File sharing semantics in distributed file system.

What is File caching scheme? Explain key decisions of File caching in Distributed File System.

What is File replication? Write the Advantages of File Replication.

Give difference between replication and caching.

Write a note on Replication Transparency.

Explain Multicopy Update Problem in File Replication and Approaches to handle it.

Explain file and Storage properties that directly influence the ability of a distributed file system to tolerate faults.

Explain Effect of Service Paradigm on Fault Tolerance.

Explain the DSM system architecture.

Explain Design and Implementation Issues of DSM.

What is Granularity? Explain Criteria for choosing granularity parameter.

Explain Structure of shared memory space also write approach for structuring shared memory space.

What are Consistency Models? Explain each Consistency Models in detail.

What is Weak Consistency Model

Explain Release Consistency Model

Write a note on Implementation of Sequential Consistency Model.

Write a note on Munin: A release consistent DSM system.

Explain Block replacement strategy.

Define thrashing in DSM. Explain methods for solving thrashing problem in DSM.

Write Advantages of DSM System.

In a number of countries, government contracts are awarded by means auctions in which the winner is the bidder whose bid is closest to the average bid. Consider such an auction with three bidders competing to win a single object. Bidder i has a valuation vi for the object, where U U V3 0. Bidders simultaneously submit bids b 20. The bidder

Draw and explain Multitier architecture of Web Based system.

What is Web services. Explain Architecture of Web Services.

Explain the Processes used in Web-based systems and their internal organization.

Explain Types of Connections used in Web-based systems.

Explain Naming system used in Distributed Web-based systems

Explain Synchronization in Distributed Web-based systems.

Explain concept of Web proxy caching in Distributed web based system.

Explain concept of Replication in Web Hosting system.

Define Threat. Explain types of Threat.

Define Attacks. Explain types of Attacks.

What is Cryptography? Explain Symmetric and Asymmetric Cryptosystems.

Write a note on Access control in Distributed system.

Explain Concept of Firewalls in Distributed System.

Explain Concept of Key Management in Distributed System.

Case study of Java RMI.

Case study of SUN Network File System.

Case study on Google File System.

Formulate an Integer Programming model that NTC can use to minimize the sum of the costs due to lost interest income and running a payment processing office. 2. Use MS Excel to find the optimal solution to this IP problem.

Discuss the various types of scanners as input devices.

Which process can be affected by other processes executing in the system?

When several processes access the same data concurrently and the outcome of the execution depends on the particular order in which the access takes place is called ________.

If a process is executing in its critical section, then no other processes can be executing in their critical section. What is this condition called?

Which one of the following is a synchronization tool?

A semaphore is a shared integer variable __________.

Mutual exclusion can be provided by the __________

When high priority task is indirectly preempted by medium priority task effectively inverting the relative priority of the two tasks, the scenario is called

Process synchronization can be done on __________ .

A monitor is a module that encapsulates __________ a) shared data structures b) procedures that operate on shared data structure c) synchronization between concurrent procedure invocation d) All of the mentioned above

Question: What are the main functions of an Operating System?

.Firm that collect and resell data are referred to by our text as A. Data administrators B. Data aggregators C. Data miners D. Data researchers

.___________ are served by ad networks or other customer profiling firms to identify users and record behavior across multiple Web sites. A. Honeypots B. Interstitials C. Plugs-ins D. Third -party cookies