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Concepts of Operating System by Siblshe

Posted by $@)-(@R on November 03, 2010

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6th Semister

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Association, Aggregation, Composition, Abstraction, Generalization, Realization, Dependency

These terms signify the relationships between classes. These are the building blocks of object oriented programming and very basic stuff. But still for some, these terms look like Latin and Greek. Just wanted to refresh these terms and explain in simpler terms. Association: Association is a relationship between two objects. In other words, association defines the multiplicity between objects. You may be aware of one-to-one, one-to-many, many-to-one, many-to-many all these words define an association between objects. Aggregation is a special form of association. Composition is a special form of aggregation. Example: A Student and a Faculty are having an association. Aggregation: Aggregation is a special case of association. A directional association between objects. When an object ‘has-a’ another object, then you have got an aggregation between them. Direction between them specified which object contains the other object. Aggregation is also called a “Has-a” relationship. ...

Final Year Project Title 2011

Inventory Manager Of PIATC (Pakitan International Airline Training Center) Jobs Aggregator for Jobs in Pakistan with Salary and Trends Search. """Embedded Software for Attendance Machine Terminalalong with proper compliance of Centralized Payroll Management.“" Backlink Creator - BLC Employees' Info Database An automated tool for wavelet analysis for ecg features extraction NAT-PT - Network Address Translation, Protocol Translation IPv4/IPv6 "CONTENT MANAGEMENT SYSTEM (CMS)" Contact Name Calling Buyers meet Sellers Website “Online machinery, equipment rental, Projects & technical support forum" sms based ignition system HARDWARE ASSET MANAGEMENT SYSTEM for PAK SUZUKI LTD. Developing Computerize system of Paradigm Pharma of sales representive Muslim Helper(Android application) Call Log Automation Portal SMS based email notifier Apple Throw (Iphone Game) Ecommerce Website Snakes and Ladders - 4 Player...

DCN Paper 2: 2010

Q1) Write Benefits fo VLAN and VPN Q2) Explain the ICMP error message i) Destination unreachable ii) Redirect iii)Fragmentation iv) Router found Q3) Difference between RARP and inverse ARP Q4) Function of ARP and operator in ARP Q5) CIDR in IPv6 Q6) Different Timer in TCP Q7) Difference between DCE and DTE Q8) Layers of X.25? DoD model Q9) Advantages and Disadvantages of ATM Q10) Size of Packet in circuit switching Q11) QoS and flow control in IPv6 Q12) Purpose of Multiple header Q13) Is Apple talk and IPx support DHCP Q14) What is DHCP and BootP Q15) SA( asa koi question tha) Q16) Difference between channel and Comman channel identifier Q17) What is PDN Q18) What is HDLC Q19) Difference Between Switching and Routing You should also include qustions that are in your paper thank

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Concepts of Operating System by Siblshe

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