There are four different human blood types: O, A, B and AB. The relationships between donor and recipients for these blood types are as follows: Type O can donate blood to any type. Type AB can receive blood from any type. Each type can donate blood to its own type. Each type can receive blood from its own type. Which one of the following donor-recipient bipartite graphs correctly represents this information? A D O A B AB donor recipient O A BAB OA BAB donor recipient O A B AB B E donor recipient O A O donor recipient B AB 41 O A BAB A B AB OAB AB C O A BAB XXX O A BAB donor recipient

There are four different human blood types: O, A, B and AB. The relationships between donor and recipients for these blood types are as follows: Type O can donate blood to any type. Type AB can receive blood from any type. Each type can donate blood to its own type. Each type can receive blood from its own type. Which one of the following donor-recipient bipartite graphs correctly represents this information? A D O A B AB donor recipient O A BAB OA BAB donor recipient O A B AB B E donor recipient O A O donor recipient B AB 41 O A BAB A B AB OAB AB C O A BAB XXX O A BAB donor recipient

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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A weighted, directed graph is a suitable representation to represent the daily airline routes flown by a small airline. The airline have the following daily flights: - Three flights from Cape Town to Johannesburg, - Two flights from Johannesburg to Cape Town. - Four flights from Johannesburg to Durban. - Three flights from Durban to Johannesburg. - One flight from Johannesburg to George. - One flight from George to Johannesburg. Draw the graph and answer the questions that follow
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