A thief robbing a store finds 5 items; the items are worth 7,6, 5, 19 and 11 dollars and weights 3, 7, 3, 8 and 7 pounds. He wants to take as valuable a load as possible, but he can carry at most 9 pounds in his knapsack. What is the maximum worth of items that he can take? Please show the workings in your script. No marks will be given without any explanation. What if the thief somehow managed to increase the capacity of his knapsack by 2 pounds? What will be the maximum worth of items that he can take then? Please show the workings in your script. No marks will be given without any explanation.

A thief robbing a store finds 5 items; the items are worth 7,6, 5, 19 and 11 dollars and weights 3, 7, 3, 8 and 7 pounds. He wants to take as valuable a load as possible, but he can carry at most 9 pounds in his knapsack. What is the maximum worth of items that he can take? Please show the workings in your script. No marks will be given without any explanation. What if the thief somehow managed to increase the capacity of his knapsack by 2 pounds? What will be the maximum worth of items that he can take then? Please show the workings in your script. No marks will be given without any explanation.

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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As discussed in Class 05, cryptography is the area of mathematics intended for the study of techniques and principles for transforming information from its original form to another, unintelligible form, so that it can be used only when authorized. According to the definition of encryption, carefully analyze the following situation presented below: For the transmission of encrypted messages between two points A and B, A generates a private key and forwards it to B, A encrypts the message using this same private key and sends this message to B, upon receiving the message, B decrypts the message with the same private key. Regarding the situation presented above, mark the alternative that corresponds to the encryption mode used. A) Cryptographic Abstract;B) Asymmetrical;C) Digital Certification;D) Symmetrical;E) Digital Signature.
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After Frank finished his breakfast he drank some coffee since he believes that coffee will refresh him and he learned this as a result of years of scientific study combined with the experience of years”. Count the number of "f" or "F" that occurs in the above sentence, and also explain how you reached the answer?
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