WGU C949 OA

C949 OA

4.7 (3 reviews) Students also studied Terms in this set (70) Western Governors UniversityD 322 Save WGU C949 Data Structures and Alg...102 terms bodiewoodPreview C949 Data Structures and Algorithm...173 terms AidenOSprague Preview C949 WGU Terminology 72 terms VeraButlerPreview WGU C Teacher bad Which statement describes a queue data structure? It is a sequence of elements in which insertions can take place only at the back end and deletions can take place only at the front end.Which data structure allows inserting and deleting data elements at both the front and the rear?Queues Which data structure allows elements to be inserted and deleted from one end and provides no direct access to the other end?Stack What are the official indexes for the list list01 given this declaration? int[ ] list01 = {0, 2, 4, 6, 8, 10};

0, 1, 2, 3, 4, 5

Which abstract data type (ADT) has elements of the same type so that the elements can be retrieved based on the index or position?List Which data structure allows insertion and removal from only one end of the data structure?Stack Which data type does the mystery function return?return_type mystery (int R){int NumUnits = R; return NumUnits * 3.14;} Double

Which category of data does ("FB", 75.00, 75.03, 74.90) represent in the pseudocode? import datetime def

middle(stock, date):symbol, current, high, low = stock

return (((high + low) / 2), date)mid_value, date = middle(("FB", 75.00, 75.03, 74.90),datetime.date(2014, 10, 31)) Tuple Which value is appropriate for Test1 given the expression?char Test1; 'L' 77 6.5 "value" 'L' Which value is appropriate for the variable middle given the pseudocode?function mystery() { string last; string first; char middle; int phone; float rate; } 'D' 'Da' "david" "David" 'D' Which type of operation is represented in the pseudocode?int x,y,z; x=y=z=100; Assignment What is the most efficient data type to use for this data set of a fixed size in Java?a = [0, 0, 1, 4, 7, 16, 31, 64, 127] Array Which data type is appropriate for this array to store the given data?a = ["AF", "71", "BC", "157", "BA", "253"] String Which data type is appropriate for the given data set?a = [1, 717, 23, 12, 314, 6] Int Which data type should be used for this object?days = { "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"} String Which data type should be used for this variable?phoneNum = "212-555-1212" String

What is true about garbage collection?It reclaims memory from data structures implemented using linked allocations.What is true about a data structure implemented using linked allocation?Storage is allocated using pointers to new locations as needed.What are the array elements corresponding to the mid- values in the first and second iterations of a binary search in an array arr = {45, 77, 89, 90, 94, 99, 100} and key = 100?90 and 99 What is the effect on the object Computing regarding garbage collection?Computing obj = new Computing(); obj = null; It is automatically available for garbage collection.What are the mid-values in the first and second levels of recursion in this binary search?int arr = {46, 76, 89, 90, 94, 99, 100} and key = 99 90 and 99 Which data set is represented using the dictionary data type?A set of students and their test scores What is a characteristic of keys in an associative dictionary data type?They are unique and immutable.Which Python function can be used to take a value out of a dictionary?D1[key].pop(value) D1[key].pull(value) D1[key].delete(value) D1[key].remove(value) D1[key].pop(value)

Given this data dictionary in Python:

dict = {'white':0x0000, 'black':0x1111} Which command/function generates the output ['white','black']?dict_keys() keys_values() dict.keys() keys.values() dict.keys() Items were added sequentially in this stack starting with

'ham': 'sausage'

'toast' 'eggs' 'ham' What is the correct order of contents after the push operation is performed with the value 'bacon'?'bacon''sausage''toast''eggs''ham' 'sausage''toast''eggs''ham''bacon' 'sausage''toast''eggs''bacon''ham' 'sausage''bacon''toast''eggs''ham' 'bacon''sausage''toast''eggs''ham'

Items were added sequentially in this stack starting with

"dog":

"bird" "rabbit" "cat" "dog" What is the return value of the pop operation?"bird" Which sequence of letters represents preorder traversal of the nodes of this tree?

A B C D F E G I H

An array soc of size 1009 is used where the index is an integer in [0,1008] and the hash-function key09.Where will the data associated with the key given by the last 4 social security digits ‘2023’ be stored?In soc[4] In soc[5] In soc[1009] In soc[2023] In soc[5] A stack s, a queue q, and a max value priority queue p each have a single 3 in them. Next s.push(4), q.push(4), and p.push(4) are executed.What is the triple (s.pop(), q.pop(), p.pop())?

(3,4,4)

(4,3,3)

(4,3,4)

(4,4,3)

(4,3,4)

This stack reads left to right with the top to the right:

'green' 'yellow' 'blue' 'red' What could be the stack after a push operation?['red','blue','yellow'] ['blue','yellow', 'green'] ['red','blue','yellow', 'green', 'purple"] ['purple', 'red','blue','yellow', 'green'] ['red','blue','yellow', 'green', 'purple"]