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8. Which of the following will evaluate to true? 1. (true OR false) AND NOT (true OR NOT (false)) ii. NOT (true AND (NOT (true OR false))) iii. (NOT (true) OR (true AND false)) (A) i (B) ii (C) i and iii (D) ii and iii To help people who are expecting a package to be delivered while they are away from home, a new "open it yourself" app is being developed. The pur- pose is to give certain people and/or organizations a special code to key in to open and close your door. Here is a chart with basic information: Input Processes Output request generate text for random mes- garage code door access code send code code expires sage of unique code API needed mes- sage to home owner garage door company to send open signal text text mes confir- sage app mation Average Average delivery delivery time time with app app without 2 36. What output is provided? (A) Signal to open door (B) Alert text message to delivery company (C) Unique code to delivery person (D) All of the above 37. What is a most likely benefit? (A) Packages are not left out so they are not vulnerable to "porch pirates." (B) Weather will not ruin packages. (C) More online sales result for everyone because safe delivery is ensured. (D) A regular delivery person for a route ensures the process is done correctly. 38. What is an impact to society? (A) More delivery drivers will be employed because these deliveries take longer. (B) The economy will get a boost with more purchases due to safer deliveries. (C) Most businesses will use or offer this service. (D) Less theft will occur as businesses will have proof that a delivery was made, lowering overall costs for everyone.

8. Which of the following will evaluate to true? 1. (true OR false) AND NOT (true OR NOT (false)) ii. NOT (true AND (NOT (true OR false))) iii. (NOT (true) OR (true AND false)) (A) i (B) ii (C) i and iii (D) ii and iii To help people who are expecting a package to be delivered while they are away from home, a new "open it yourself" app is being developed. The pur- pose is to give certain people and/or organizations a special code to key in to open and close your door. Here is a chart with basic information: Input Processes Output request generate text for random mes- garage code door access code send code code expires sage of unique code API needed mes- sage to home owner garage door company to send open signal text text mes confir- sage app mation Average Average delivery delivery time time with app app without 2 36. What output is provided? (A) Signal to open door (B) Alert text message to delivery company (C) Unique code to delivery person (D) All of the above 37. What is a most likely benefit? (A) Packages are not left out so they are not vulnerable to "porch pirates." (B) Weather will not ruin packages. (C) More online sales result for everyone because safe delivery is ensured. (D) A regular delivery person for a route ensures the process is done correctly. 38. What is an impact to society? (A) More delivery drivers will be employed because these deliveries take longer. (B) The economy will get a boost with more purchases due to safer deliveries. (C) Most businesses will use or offer this service. (D) Less theft will occur as businesses will have proof that a delivery was made, lowering overall costs for everyone.

Database System Concepts
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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Please answer 8 and show work do NOT answer 36 use the chart to answer 37 and 38 show work and explanation how you got the answer! Not an graded assignment!
8. Which of the following will evaluate to true? 1. (true OR false) AND NOT (true OR NOT (false)) ii. NOT (true AND (NOT (true OR false))) iii. (NOT (true) OR (true AND false)) (A) i (B) ii (C) i and iii (D) ii and iii To help people who are expecting a package to be delivered while they are away from home, a new "open it yourself" app is being developed. The pur- pose is to give certain people and/or organizations a special code to key in to open and close your door. Here is a chart with basic information: Input Processes Output request generate text for random mes- garage code door access code send code code expires sage of API needed garage door company unique to send code open signal text text mes confir- sage app mation mes- sage to home owner Average Average delivery delivery time time without with app app 2 1 36. What output is provided? (A) Signal to open door (B) Alert text message to delivery company (C) Unique code to delivery person (D) All of the above 37. What is a most likely benefit? (A) Packages are not left out so they are not vulnerable to "porch pirates." (B) Weather will not ruin packages. (C) More online sales result for everyone because safe delivery is ensured. (D) A regular delivery person for a route ensures the process is done correctly. 38. What is an impact to society? (A) More delivery drivers will be employed because these deliveries take longer. (B) The economy will get a boost with more purchases due to safer deliveries. (C) Most businesses will use or offer this service. (D) Less theft will occur as businesses will have proof that a delivery was made, lowering overall costs for everyone.
Transcribed Image Text:8. Which of the following will evaluate to true? 1. (true OR false) AND NOT (true OR NOT (false)) ii. NOT (true AND (NOT (true OR false))) iii. (NOT (true) OR (true AND false)) (A) i (B) ii (C) i and iii (D) ii and iii To help people who are expecting a package to be delivered while they are away from home, a new "open it yourself" app is being developed. The pur- pose is to give certain people and/or organizations a special code to key in to open and close your door. Here is a chart with basic information: Input Processes Output request generate text for random mes- garage code door access code send code code expires sage of API needed garage door company unique to send code open signal text text mes confir- sage app mation mes- sage to home owner Average Average delivery delivery time time without with app app 2 1 36. What output is provided? (A) Signal to open door (B) Alert text message to delivery company (C) Unique code to delivery person (D) All of the above 37. What is a most likely benefit? (A) Packages are not left out so they are not vulnerable to "porch pirates." (B) Weather will not ruin packages. (C) More online sales result for everyone because safe delivery is ensured. (D) A regular delivery person for a route ensures the process is done correctly. 38. What is an impact to society? (A) More delivery drivers will be employed because these deliveries take longer. (B) The economy will get a boost with more purchases due to safer deliveries. (C) Most businesses will use or offer this service. (D) Less theft will occur as businesses will have proof that a delivery was made, lowering overall costs for everyone.
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