Which statement describes a queue data structure?
A.) It is a sequence of elements in which insertion and deletion takes place at one end.
B.) It is a sequence of elements in which insertion and deletion takes place at both ends.
C.) It is a sequence of elements in which insertion can take place anywhere in the sequence
and deletion takes place only at the front.
D.) 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. -
ANSWER :
D
Which data structure allows inserting and deleting data elements at both the front and the
rear?
A.) Trees
B.) Deques
C.) Stacks
D.) Queues -
ANSWER :
B
What are the official indexes for the list list01 given this declaration?
int[ ] list01 = {0, 2, 4, 6, 8, 10};
1
,A.) 0, 1, 2, 3, 4, 5
B.) 0, 2, 4, 6, 8, 10
C.) 1, 2, 3, 4, 5, 6
D.) 2, 4, 6, 8, 10, 12 -
ANSWER :
A
Which data structure allows elements to be inserted and deleted from one end and provides
no direct access to the other end?
A.) List
B.) Deque
C.) Stack
D.) Queue -
ANSWER :
C
Which abstract data type (ADT) has elements of the same type so that the elements can be
retrieved based on the index or position?
A.) List
B.) Bag
C.) Stack
D.) Queue -
ANSWER :
A
2
,Which data structure allows insertion and removal from only one end of the data structure?
A.) List
B.) Queue
C.) Stack
D.) Deque -
ANSWER :
C
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))
A.) List
B.) Float
C.) Tuple
D.) Operator -
ANSWER :
C
Which data type does the mystery function return?return_type mystery (int R)
3
, {
int NumUnits = R;
return NumUnits * 3.14;
}
A.) Byte
B.) String
C.) Double
D.) Boolean -
ANSWER :
C
Which value is appropriate for Test1 given the expression?
char Test1;
A.) 'L'
B.) 77
C.) 6.5
D.) "value" -
ANSWER :
A
Which value is appropriate for the variable middle given the pseudocode?
function mystery()
{
4
A.) It is a sequence of elements in which insertion and deletion takes place at one end.
B.) It is a sequence of elements in which insertion and deletion takes place at both ends.
C.) It is a sequence of elements in which insertion can take place anywhere in the sequence
and deletion takes place only at the front.
D.) 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. -
ANSWER :
D
Which data structure allows inserting and deleting data elements at both the front and the
rear?
A.) Trees
B.) Deques
C.) Stacks
D.) Queues -
ANSWER :
B
What are the official indexes for the list list01 given this declaration?
int[ ] list01 = {0, 2, 4, 6, 8, 10};
1
,A.) 0, 1, 2, 3, 4, 5
B.) 0, 2, 4, 6, 8, 10
C.) 1, 2, 3, 4, 5, 6
D.) 2, 4, 6, 8, 10, 12 -
ANSWER :
A
Which data structure allows elements to be inserted and deleted from one end and provides
no direct access to the other end?
A.) List
B.) Deque
C.) Stack
D.) Queue -
ANSWER :
C
Which abstract data type (ADT) has elements of the same type so that the elements can be
retrieved based on the index or position?
A.) List
B.) Bag
C.) Stack
D.) Queue -
ANSWER :
A
2
,Which data structure allows insertion and removal from only one end of the data structure?
A.) List
B.) Queue
C.) Stack
D.) Deque -
ANSWER :
C
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))
A.) List
B.) Float
C.) Tuple
D.) Operator -
ANSWER :
C
Which data type does the mystery function return?return_type mystery (int R)
3
, {
int NumUnits = R;
return NumUnits * 3.14;
}
A.) Byte
B.) String
C.) Double
D.) Boolean -
ANSWER :
C
Which value is appropriate for Test1 given the expression?
char Test1;
A.) 'L'
B.) 77
C.) 6.5
D.) "value" -
ANSWER :
A
Which value is appropriate for the variable middle given the pseudocode?
function mystery()
{
4
