1. Write the formal English description of each set described by the regular expression below. Assume alphabet Σ = {0, 1}. Example: (0 U 1)*00(0 U 1)*11(0 u 1)* Answer: L = {xy |where x contains substring 00 and y contains substring 11} A) 1'01* Β) (ΣΣΣ)" C) (0Σ*0) U (12*1)u0u1 D) 0* U 1* E) (10)*( UE)

1. Write the formal English description of each set described by the regular expression below. Assume alphabet Σ = {0, 1}. Example: (0 U 1)00(0 U 1)11(0 u 1)* Answer: L = {xy |where x contains substring 00 and y contains substring 11} A) 1'01* Β) (ΣΣΣ)" C) (0Σ0) U (121)u0u1 D) 0* U 1* E) (10)*( UE)

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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