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Chapter 2: Introduction to Microprocessor
Chapter 2: Introduction to Microprocessor

... Data Contd… Shared means individual piece of data may be shared between different users in the sense that each user may access the data. Concurrent sharing is also possible i.e. several users can access same data simultaneously at same time in different ways. ...
Information Systems and Networks
Information Systems and Networks

... access, abuse, or fraud is not limited to a single location but can occur at any access point in the network Security refers to the policies, procedures, and technical measures used to prevent unauthorized access, alteration, theft, or physical damage to information systems. Controls are methods, po ...
Network and Systems - University of Glasgow
Network and Systems - University of Glasgow

... The Universal Access and Information Security working groups have produced a set of draft Policies and Guidelines for consultation These are not meant to place unnecessary barriers in the way of users doing their legitimate work They are not tablets of stone but rather starting points that will evol ...
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... are supplied with the UNIX system. These utilities (or commands) support a variety of tasks such as copying files, editing text, performing calculations, and developing software. This course will only attempt to introduce a limited number of these utilities or tools! ...
Solution to assignment 2(B)
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... operating system for a real-time environment? Answer: The main difficulty is keeping the operating system within the fixed time constraints of a real-time system. If the system does not complete a task in a certain time frame, it may cause a breakdown of the entire system it is running. Therefore wh ...
EEN 542 – Digital Integrated Circuits
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... societal context: The consequences of bad engineering and inappropriate programming practice are discussed, and often discovered by the students for themselves. a recognition of the need for, and an ability to engage in life-long learning: Operating system technology at first sight seems to have sta ...
COMPUTER HARDWARE
COMPUTER HARDWARE

... Interactive System Allows the user & computer to communicate. Computer responds directly to commands e.g. word processing, a computer game. Real – time System A system which responds immediately to input e.g. online booking system. Standard Grade ...
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... database service through a new model of server computer that is scheduled to be on the market next month. The new server will also be used to provide print service with a non-existing network laser printer. A consultant hired by the company recommended installing a 100BaseTX ...
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... •  virus signature scanner •  emulation control module •  the most difficult design issue with a GD scanner is to determine how long to run each interpretation ...
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CS 494/594 Computer and Network Security - UTK-EECS
CS 494/594 Computer and Network Security - UTK-EECS

... Modification: unauthorized parties tampering with the information or resources, e.g., alter a program so that it performs an additional computation, or modify data being transmitted electronically, or modify hardware  Fabrication: an unauthorized party might create a fabrication of counterfeit obje ...
CS 494/594 Computer and Network Security - UTK-EECS
CS 494/594 Computer and Network Security - UTK-EECS

... Modification: unauthorized parties tampering with the information or resources, e.g., alter a program so that it performs an additional computation, or modify data being transmitted electronically, or modify hardware  Fabrication: an unauthorized party might create a fabrication of counterfeit obje ...
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... reduction measures Agree set of Policies and Guidelines that would address specific areas of concern Agree a Network Architecture that would reduce the exposure of Networked systems and provide Inherent containment measures Establish a Computer Incident Response Team to handle incidents in a structu ...
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... Like a government, it performs no useful function by itself. It simply provides an environment within which other programs can do useful work. Operating systems can be explored from two viewpoints: the user and the system. ...
16MCA24 - PESIT South
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... 2. What is critical section problem and explain two process solutions and multiple process solutions? 3. Explain what semaphores are, their usage, implementation given to avoid busy waiting and binary semaphores. 4. Write about critical regions and monitors. 5. Give a detailed description about dead ...
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CS 330 – Operating Systems
CS 330 – Operating Systems

... 2. Describe classes of operating systems, roles of an operating system, and the services an  operating system provides under each role to applications and users.  3. Understand process and thread concepts and how an operating system manages processes.  4. Explain issues in concurrency and mutual exc ...
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... • UNIX file management system organizes disk into blocks of 512 bytes each • Divides disk into four basic regions: – First region (address 0) reserved for booting – Second region contains size of disk and boundaries of other regions – Third region includes list of file definitions, “i-list,” – Remai ...
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... Sometimes implemented in kernel, sometimes by systems programs Sometimes multiple flavors implemented – shells Primarily fetches a command from user and executes it  Sometimes commands built-in, sometimes just names of programs ...
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...  In the beginning, people did those complicated and tedious work themselves.  Later, some of them released their work of collecting the software to the public. These are called “distributions”.  Typically, a modern distribution handles the following:  Installation of the OS  Software Packaging ...
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N4Less12

... OS/2 Warp • OS/2 Warp was the first true GUI-based operating system for Intel-based PCs. • OS/2 is a multitasking OS that provides support for networking and multiple users. • It was the first PC OS to feature built-in speech recognition capabilities. ...
Data Confidentiality
Data Confidentiality

... consist of data about each stage of any transaction, logs are maintained automatically by the system allow the network manager to examine patterns of use audit logs track: – who did what, – at which workstation, – when it occurred. ...
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process

...  In order to avoid conflicts due to the usage of I/O devices, it should be necessary to develop virtual devices, similar with the original devices, managed at a basic level of the OS.  Theoretically, virtual machines should run only in the user space. Thus, the virtual machine should run its own v ...
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Unix security

Unix security refers to the means of securing a Unix or Unix-like operating system. A secure environment is achieved not only by the design concepts of these operating systems, but also through vigilant user and administrative practices.
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