...in the market? * What is the track record of stocks? * What is the financial state of the organization? * What are the advantages available that do not exist for others? * What is the state of skilled workforce in the company? * What are the strong product brands? * What is the capability to be flexible and accept changes? * What is the state of employees morale? * Is the advertisement and marketing strategy effective? * Is the modern product technology being used? * Are the best practices being utilized? * Is the company making best use of information technology? * What is the condition of inventory management, including dead stock? * Is the company's culture innovative? * Is the organization capable to be competitive locally and internationally? * Is the project management team suitably trained and skillful? * What are the policies regarding reward and recognition? * How does the organization manage cultural differences? * What are the special resources available? * What is the strength of its customer base? Weaknesses * Is the organization concentrating to achieve its objectives? * What are the areas in which the competitors possess an overwhelming edge? * What are the essential human resources that are essentially required but not available? * Are funds available when required? * Is the clientage limited to a few customers? * Can the organization meet challenges from competitors...
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...Running head: RISK MANAGEMENT AND PROBLEM MANAGEMENT RELATION The effectiveness of the relationship between risk management and problem management of a compromised UNIX operating system CSMN 655 Computer Security, Software Assurance, Hardware Assurance, and Security Management Abstract Risk management is an ongoing, continuous process whose purpose is to identify and assess program risks and opportunities with sufficient lead-time to implement timely strategies to ensure program success. The entire risk management process balances the operational and economic costs of protective measures and contributes to mission capability by protecting the systems and the data that support the organizational mission from both deliberate and unintentional compromise. Computer security problem, or incident, management is an administrative function of managing and protecting computer assets, networks and information systems. These systems continue to become more critical to the personal and economic welfare of our society. Organizations must understand their responsibilities to the public good and to the welfare of their members. This responsibility extends to having a management program for reacting to system breaches, if and when they occur. Incident management is a program which defines and implements a process that an organization may adopt to promote its own welfare and the security of the public...
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...Importance of Addressing Memory Management Requirements When Building an Operating System. POS/355 University of Phoenix, Axia Importance of Addressing Memory Management Requirements When Building an Operating System. The Memory is the most important part of the CPU. The CPU has a program called a memory manager which is needed to keep track of what the memory is being used on and how much. When building an Operating System you must keep some things in mind such as basic cache structure, and content- addressable memory. With basic cache structure it is used by cache memory which is similar to virtual memory. It takes low speed memory which is duplicated and stored in a high speed cache memory. When it request memory the request first goes to the cache memory and if it doesn’t respond it is then sent to the main memory. With content-addressable memory (CAM) it is a special type of memory which is used in very high speed applications. It is better known as associative array which is used for programming data structure. You must also keep in mind that address mapping and relocation is also important in the management of memory. To have the Operating system send out the information it must know the locations of process control information, the execution stack, and code entry. Inside the program may be memory references in various instructions. Say you put something in your documents but you put it in another name such...
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...File Management By: Amy Gonzales POS/355 File Management The data we work with on a computer is kept in a hierarchical file system, the way an operating system has there file management set up effects the user’s ability in accessing and using those folders. According to "Webopedia" (2015), "File management system is the system that an operating system or program uses to organize and keep track of files. For example, a hierarchical file system is one that uses directories to organize files into a tree structure.” If you have ever downloaded a software on your computer you may have noticed how you can find it in the C drive under Program files. The root of this file is the C:\ portion which then stems off into one folder after another to form a tree like structure. For businesses this can be a huge impact on them; without even realizing it they are impacted by the operating system file management they use from storage to security to network. The following paragraphs will say how UNIX file management is set up, along with how it would work in a large company, and also an alternative to the UNIX file management for a large company. First we will start off with how UNIX uses their file management system with another operating system such as Windows. Unlike Windows UNIX has a unique directory structure. In Windows the user will be seeing common file names such as Program File or Users, but in UNIX stuff like a particular application would be scattered into multiple folders....
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...Introduction The most commonly known Operating Systems (OS) today are UNIX, Linux, MacOS, and Windows. These operating systems all behave in their own way and similar in others. This paper will discuss this comparison of how these operating systems utilize memory, process handling, file management, and security. Memory Management Each operating system is required to allocate a certain amount of memory for the operating system itself for the processes that are being used or executed. There are two places memory exists: physically on the motherboard of the computer and within the operating system itself. When the operating system dynamically divides the memory usage between these two areas, this is called memory management. Each operating system manages memory different from the others; however they all follow some basic rules of memory management. All of the operating system’s memory management in general follows these requirements: relocation, protection, sharing, logical organization, and physical organization (Stallings, 2015). Relocation of memory is the process that allows the operating system to move a process or file from physical memory to virtual memory and back again, depending on the need for that data. Virtual memory exists within the operating system which uses the hard drive to store temporary information and physical memory is located on the motherboard of the computer. While the process is in memory, protection of that area needs to be enabled to...
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...------------------------------------------------- BCN 2053 – OPERATING SYSTEMS – Assignment 1 ------------------------------------------------- Top of Form INSTRUCTIONS – Detail instructions is given below, please follow accordingly. This assignment carries a total of 10 marks. When we talk about operating systems, the most popular words are Windows and Linux. This assignment is all about exploring both types of operating systems. Each group require to: 1. Draw and explain in brief the evolution of both operating systems from the beginning up to today. Explanations may include : a. Year of release b. Version release c. Features 2. Compare between this two very popular Operating Systems, Windows VS Linux in terms of : a. Memory management 1. Focus on how both operating systems handle their memory management especially on virtual memory. To support your research, you may include relevant scenario of how memory being access. 2. Explain any limitation of maximum or minimum memory required by each operating systems especially on 64bit or 32bit architecture 3. Compare and recommend which operating systems utilize its memory more efficient in terms of: i. Normal usage (everyday usage by normal user) ii. Server usage (server environment) b. Process management 4. Focus on how both operating systems handle their process management when it comes to many processes request for CPU resources. You...
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...Operating Systems most favored by fortune 500 companies are Windows, Red Hat Linux and AIX. Operating Systems perform basic task that supports the use of input, the printers, drivers, keyboard and the display screen. The operating systems support different programs and users running on it at the same time. It also supports the security and user abilities. Operating systems provide software platforms on top of applications, like Java, Visual Basic etc. These applications have to be written to run operating systems. There are several choices of operating systems DOS, OS/2, Windows, AIX, and Linux. The two main operating systems are Windows and Linux/Unix. “And they have a competitive history and future” (Haas). Before we get into the technicalities of either operating system, let’s examine the environment that these two systems evolved from, or the culture from whence they came, if you will. “Corporate culture pertains to the identity and personality of the company we work with, either in the private or public sectors. All companies have a culture; a way they behave and operate. They may be organized and disciplined or chaotic and unstructured. Either way, this is the culture the company has elected to adopt” Brice, (2012). “Microsoft may appear to some people as a company without culture, but that impression changes upon entering the Sigma Building, which houses Microsoft Research Asia. Chatting with the great minds at Microsoft Research Asia, one is reminded...
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...Consideration * Operating Systems * Security, Legal and Regulatory * Hardware * Recommendation Overview and Background A large, local hospital has requested consulting assistance with a technical research and specification project related to the selection of a tablet device for use in their medical practice. This tablet will be used by personnel for medical and administrative purposes throughout the hospital. Criteria for Consideration The following criteria have been considered as part of this evaluation: Operating System: There are many different options available in healthcare mobility solutions; however, the three most common operating systems in place today are MS Windows 10, iOS 9.x and Android 6.0. There are well-defined positives and negatives around each platform that must be carefully reviewed prior to making a decision. As operating system selection is primary to device selection, it is critical that this step in the selection criteria is well thought out. When reviewing operating systems, it is important to keep in mind the initial criteria of this research. Selecting an operating system for an enterprise-based medical device is quite different than selecting an operating system and device for personal use. While the Apple iOS and Google Android OS are widely used, they lack the maturity of key features found in enterprise-class systems, such as multi-user access per device, enterprise security, and native device management. Third party solutions...
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...Memory Management Memory Management The processes share the CPU along with the share of physical memory. I will be discussing the operating system memory requirements. Memory requirements may be demanding and complex, but there are many techniques to help it be more efficient. There are tremendous varieties of computer systems that cause the complexity. These include systems as smart phones, shared systems, supercomputers, and personal computers. Secondly, the accelerated pace of change that has represented computer systems for many years. The variations are not just of the different systems from capacity and speed of the computers; they are in the applications and the system support. Memory management can be split into three areas: hardware memory, operating system, and application memory. Memory Management “Refers to a variety of methods used to store data and programs in memory, keep track of them and reclaim the memory space when they are no longer needed. It also includes virtual memory, bank switching and memory protection techniques,” (The Computer Language Company Inc., 2014). Memory management is crucial for operating systems because of its multi-tasking ability. Switching the memory space in the system, aids from one process to another. Virtual memory stems from memory management as it provides a tool called the loader to load data from the secondary memory to the main memory. There are strong benefits that this method provides, multi-tasking of programs...
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...other software on a computer. Every general-purpose computer must have an operating system to run other programs. Operating systems perform basic tasks, such as recognizing inputfrom the keyboard, sending output to the display screen, keeping track of filesand directories on the disk, and controlling peripheral devices such as disk drives and printers. For large systems, the operating system has even greater responsibilities and powers. It is like a traffic cop -- it makes sure that different programs andusers running at the same time do not interfere with each other. The operating system is also responsible for security, ensuring that unauthorized users do not access the system. Operating systems can be classified as follows: Multi-user: Allows two or more users to run programs at the same time. Some operating systems permit hundreds or even thousands of concurrent users. Multiprocessing : Supports running a program on more than oneCPU. Multitasking : Allows more than one program to run concurrently. Multithreading : Allows different parts of a single program to run concurrently. Real time: Responds to input instantly. General-purpose operating systems, such as DOS and UNIX, are not real-time. The major functions of an OS are: -resource management, -data management, -job (task) management, and -standard means of communication between user and computer. The resource management function of an OS allocates computer resources such as CPU time, main memory...
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...Operating Systems Comparison Outline Albert Lara POS/355 January 29, 2016 Ongart (Peng) Ratchaworapong Albert Lara Operating Systems Comparison Outline I. Introduction MAC OS X is the operating system that is currently being utilized by every MAC being sold. According to “Apple” (2016), “Built on a rock-solid Unix foundation, it’s engineered to take full advantage of what the hardware is capable of”. One of the more popular choices due to its commercial success, MAC OS is a very user-friendly operating system that allows you to work throughout numerous MAS OS devices. II. Memory Management a. Divides random access memory into two sections 1. Differs from Windows and Linux b. Uses system partition 1. Begins at lowest byte of memory 2. Extends upward c. Uses application partition 1. Uses memory contained in its own partition 2. Divided into three parts (Stack, Heap, Global Variables) d. Memory outside of system available for allocation 1. Have multiple applications open and running simultaneously III. Process Management a. Ran by application known as Activity Monitor 1. Comprised of two sections 2. User-Friendly b. Process List 1. View and manage all processes 2. Given Process ID (PID) 3. Unique identifier number c. System Statistics 1. Overview of total load on system 2. Divided into 5 sub categories (CPU, System Memory, Disk Activity, Disk Usage, Network) IV. File Management a. Designed to manage files to reduce disk and hardware usage...
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...Appendix A Mapping Course Content to the CompTIA A+ Essentials 220-701 Exam Objectives Exam Objective | A+ Certification Lesson and Topic Reference | A+ Certification Activity Reference | Domain 1.0 Hardware | 1.1 Categorize storage devices and backup media | * FDD | Personal Computer Components, Storage Devices | | * HDD | Personal Computer Components, Storage Devices Installing and Configuring System Components, Install and Configure Storage Devices | | * Solid state vs. magnetic | Personal Computer Components, Storage Devices Installing and Configuring System Components, Install and Configure Storage Devices | | * Optical drives | Personal Computer Components, Storage Devices Installing and Configuring System Components, Install and Configure Storage Devices | | * CD / DVD / RW / Blu-Ray | Personal Computer Components, Storage Devices Installing and Configuring System Components, Install and Configure Storage Devices | | * Removable storage | Personal Computer Components, Storage Devices Installing and Configuring System Components, Install and Configure Storage Devices | | * Tape drive | Personal Computer Components, Storage Devices Installing and Configuring System Components, Install and Configure Storage Devices | | * Solid state (e.g. thumb drive, flash, SD cards, USB) | Personal Computer Components, Storage Devices Installing and Configuring System Components, Install and Configure Storage Devices...
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...Operating System – CS 407 Spring 2014 (BE (CS)) Course contents Overview of Operating System Objectives and functions of operating system A brief overview of computer architecture Concept of process States of process; Process control block; Address space Threads and processes Concept of threads; context of a thread Symmetric Multiprocessing (SMP) Microkernel architecture of Operating system Concurrency, Mutual exclusion and Synchronization Principles of concurrency Hardware support for mutual exclusion Semaphores and monitors Synchronization through message passing Deadlock and Starvation Deadlock prevention, avoidance and detection Algorithms for deadlock prevention, avoidance and detection Memory management Requirements; Memory partitioning; paging and segmentation Virtual memory management and operating system support Processor Scheduling Types of scheduling and scheduling algorithms Multiprocessor scheduling and real-time scheduling I/O Management and Disk Scheduling Organization of I/O devices; Buffering Disk scheduling; Disk cache RAIDs File management File organization and file directories File sharing and record blocking Secondary storage management Protection and Security Computer security; Threats and attacks Viruses, Worms and Bots Authentication and access control Intrusion detection and malware defence Distributed processing and Networks Communication architecture; Client/server computing ...
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...Windows vs. Linux Windows and Linux are both operating systems that are commonly used on personal computers. Although the both are operating systems they are very different in many ways. Windows is licensed through Microsoft Corporation and Linux is operated through the Linux License GNU General Public. The use of the two operating systems depends mostly on the user preferences and software that they intend to run on the computer. Due to the differences in the two operating systems the software intended to run on either system is not compatible with each operating system. One big and important difference in these two operating systems is the memory management. When speaking of memory within a computer it can be described as RAM (Random Access Memory) and memory such as storage within a hard drive to store the operating system for use. Windows Windows operating systems use a file system called NTFS (New Technology File System). This is a proprietary file system that was developed by Microsoft Corporation. This file system has been around for years and it is still very stable. Being stable is a positive factor about the NTFS, but it also have its negatives. Over a period of time the NTFS stores and moves files to random places and it will eventually start to slow down the hard drive. These files become fragmented and then will need to be defragmented to help clear some space and speed up the hard drive. Windows have a 32-bit and a 64-bit virtual address space. There is a couple...
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...Chapter 2 OPERATING SYSTEM CONCEPTS SYS-ED/ Computer Education Techniques, Inc. Solaris System Administration: Introduction Operating System Concepts Objectives You will learn: • Operating system components. • Solaris usage of processes. • File management and file systems. • Use of the Solaris Management Console. SYS-ED/COMPUTER EDUCATION TECHNIQUES, INC. (Solaris – System Admin: Intro - 6.5) Ch 2: Page i Solaris System Administration: Introduction 1 Operating System Concepts Operating System: Definition An operating system is the set of programs that controls a computer. The core of the operating system is the kernel. The kernel is a control program that functions in privileged state that allows all hardware instructions to be executed. It reacts to interrupts from external devices and to service requests and traps from processes. The kernel creates and terminates processes and responds to requests for service. Operating systems are resource managers. The main resource is computer hardware in the form of processors, storage, input/output devices, communication devices, and data. Operating system functions include: • Implementing the user interface. • Sharing hardware among users. • Allowing users to share data among themselves. • Preventing users from interfering with one another. • Scheduling resources among users. • Facilitating input/output. • Recovering from errors...
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