Solution Library


What is CSMA/CD and How Does It Work

Question What is CSMA/CD? How does it work? Explain why RTT on a LAN is an important parameter for CSMA/CD to work. Summary The question belongs to Computer Science and particularly to Networking. The question here is about CSMA/CD and how it works. The importance of RTT on a LAN in CSMA/CD is ex ... Read More

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What techniques can be used for error-detection in the data link layer?

Question What techniques can be used for error-detection in the data link layer? Summary The question belongs to Computer Science and particularly to Networking. The question here is about the techniques that used in error detection in data link layer is explained in the solution in detail. Tota ... Read More

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Design an ER Schema for a University Database Application

Question Consider the following set of requirements for a university database that is used to keep track of students' transcripts. (a) The university keeps track of each student's name, student number, social security number, current address and phone, permanent address and phone, birthdate, cla ... Read More

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ER Schema for Student Information in a University

Question Composite and multi-valued attributes can be nested to any number of levels. Suppose we want to design an attribute (one attribute) for a STUDENT entity type to keep track of previous college education. Such an attribute will have one entry for each college previously attended, and this en ... Read More

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Website Development with Tables for Statistical Data

Question Use the data in the XML documents provided to perform the tasks below: Part A: XML to HTML Transformation Your first task is to create a website that displays statistics on sports and countries. The website consists of three HTML pages, each generated by a different XSLT script. You must ... Read More

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Java Programming with 2 Dimensional Arrays

Question This question is about working with 2 dimensional arrays. In this program, you will implement an ascii version of the classic game "Connect 4".Connect 4 is is a 2 player game played on a 7 rows by 6 columns vertical grid of squares. Each player takes turns inserting colored disks (checke ... Read More

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What are th Main Features of TCP Connections

Question What are the main features of TCP connections? Why is it said that TCP provides full-duplex service? Summary The question belongs to Networking and it is about TCP connections. The question discusses about TCP connections features and why TCP provides full-duplex services. These are give ... Read More

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Difference Between TCP and UDP Connections

Question What are the differences between TCP connections and UDP connections? Why is DNS run over UDP? Summary The question belongs to Computer Science, Networking and it is about the differences between TCP connections and UDP connections. The differences are compared in a table along with expl ... Read More

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How to Develop an Online Shopping Website with HTML or CSS or PHP

Question Design a free online website using the following languages tools HTML, XHTML, CSS, Javascript, PHP and MySQL, etc. The website also must include login screen: the input boxes should display "Enter Your Username" in Username and "Enter Your Password" in Password.  Inside mysql data ... Read More

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Code for Creating a Website for Storing Movie or Music Data in SQL Tables

Question Write a movie website with:•    at least three scaffolds or models,•    at least one drop down menu choice in its forms•    pictures•    error checking and data-validity checking on values like numbers, etc.&bu ... Read More

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How to Create Active Database in Oracle SQL

Question Consider the following set of database tables. The diagram shows a database made up of 6 tables with all primary keys underlined. Please take note of foreign keys (most of them carry the same names as the corresponding primary keys they reference): CUS_CODE in INVOICE, INV_NUMBER & P_C ... Read More

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Report on the Design of a Free Text Message Communication System

Question For this task you will have to design a system for text message communication after a major disaster, for example, after a major earthquake, tsunami, or hurricane. This system is motivated by the difficulties experienced in getting emergency help after a major disaster has rendered land-ba ... Read More

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