Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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(ABET 2) Construct a regular expression corresponding to the following set: {binary strings such that every odd position is a 1}. You may assume that the even positions can be a 0 or 1.
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- (Square of Asterisks) Write a function that displays a solid square of asterisks whose side isspecified in integer parameter side. For example, if side is 4, the function displays: **** **** **** ****arrow_forwardExercise 1: (Design of algorithm to find greatest common divisor) In mathematics, the greatest common divisor (gcd) of two or more integers is the largest positive integer that divides each of the integers. For example, the gcd of 8 and 12 is 4. Why? Divisors of 8 are 1, 2, 4, 8. Divisors of 12 are 1, 2, 4, 6, 12 Thus, the common divisors of 8 and 12 are 1, 2, 4. Out of these common divisors, the greatest one is 4. Therefore, the greatest common divisor (gcd) of 8 and 12 is 4. Write a programming code for a function FindGCD(m,n) that find the greatest common divisor. You can use any language of Java/C++/Python/Octave. Find GCD Algorithm: Step 1 Make an array to store common divisors of two integers m, n. Step 2 Check all the integers from 1 to minimun(m,n) whether they divide both m, n. If yes, add it to the array. Step 3 Return the maximum number in the array.arrow_forwardLet L = {dog, cat, fish), the correct statements are: The first 10 elements in L* in lexicographic order are cat, dog, fish, catcat, catdog, catfish, dogcat, dogdog, dogfish, fishcat. The first 10 elements in L* in lexicographic order are €, cat, dog, fish, catcat, catdog, catfish, dogcat, dogdog, dogfish. The first 10 elements in L* in lexicographic order are e, cat, dog, fish, catcat, catdog, catfish, dogcat, dogdog. dogfish. The first 10 elements in L* in lexicographic order are cat, dog, fish, catcat, catdog, catfish, dogcat, dogdog, dogfish, fishcat.arrow_forward
- (True/False): A segment descriptor contains the base location of a segment.arrow_forward17: recursion.cpp) Write two recursive integer functions. The first function should calculate factorials using the definition 0! = 1 and n! = (n-1)! x n. In addition, if n is too large it should be able to detect integer overflow before it happens. The next function should calculate the greatest common factor (gcf) of two numbers. If the second number is zero, then the gcf is the other number. Otherwise, the gcf of a and b is the same as the gcf of b and a mod b.arrow_forward
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