Question 1

Which of the following is NOT true about a file system's directory?

Accepted Answer

A)   it occupies the first few tracks on the disk
B)   it contains an entry for each file
C)   each file entry holds the address of the sector containing file data
D)   the directory is organized as a linear structureE) None of the above
F) A) and B)

Question 2

In the array implementation of a list, the index-based operation __getitem__ uses the subscript operator on the array variable.

Accepted Answer

A) True 
 B)False

Question 3

Items in a list must be sorted to make sense.

Accepted Answer

A) True 
 B)False

Question 4

The sentinel node points to the first data node and the last data node.

Accepted Answer

A) True 
 B)False

Question 5

What is true about how lists are indexed?

Accepted Answer

A)   indices increase in both movement directions
B)   indices decrease to the left and increase to the right
C)   indices decrease in both movement directions
D)   indices decrease to the right and increase to the leftE) All of the above
F) A) and B)

Question 6

The object heap is an area of the disk drive from which the Python virtual machine allocates segments of various sizes for all new data objects.

Accepted Answer

A) True 
 B)False

Question 7

What is the extra node needed to easily manipulate a doubly linked structure?

Accepted Answer

A)   mid
B)   next
C)   tail
D)   sentinelE) A) and D)
F) A) and B)

Question 8

In what type of programming did recursive list processing become an important building block?

Accepted Answer

A)   procedural programming
B)   object-oriented programming
C)   sequential programming
D)   functional programmingE) A) and B)
F) A) and C)

Question 9

Linked implementations of lists use physical positions in an array to represent logical order.

Accepted Answer

A) True 
 B)False

Question 10

Because a list is ordered linearly, you can refer unambiguously to an item in a list via its relative position from the head of the list.

Accepted Answer

A) True 
 B)False

Exam 9: Lists

The object heap is an area of the disk drive from which the Python virtual machine allocates segments of various sizes for all new data objects.

Correct Answer
verified

The sentinel node points to the first data node and the last data node.

Correct Answer
verified

Linked implementations of lists use physical positions in an array to represent logical order.

Correct Answer
verified

Because a list is ordered linearly, you can refer unambiguously to an item in a list via its relative position from the head of the list.

Correct Answer
verified

In the array implementation of a list, the index-based operation getitem uses the subscript operator on the array variable.

Correct Answer
verified

Items in a list must be sorted to make sense.

Correct Answer
verified

What is true about how lists are indexed?

Correct Answer
verified

In what type of programming did recursive list processing become an important building block?

Correct Answer
verified

Which of the following is NOT true about a file system's directory?

Correct Answer
verified

What is the extra node needed to easily manipulate a doubly linked structure?

Correct Answer
verified

Exam 9: Lists

The object heap is an area of the disk drive from which the Python virtual machine allocates segments of various sizes for all new data objects.

Correct AnswerverifiedShow Answer

The sentinel node points to the first data node and the last data node.

Correct AnswerverifiedShow Answer

Linked implementations of lists use physical positions in an array to represent logical order.

Correct AnswerverifiedShow Answer

Because a list is ordered linearly, you can refer unambiguously to an item in a list via its relative position from the head of the list.

Correct AnswerverifiedShow Answer

In the array implementation of a list, the index-based operation __getitem__ uses the subscript operator on the array variable.

Correct AnswerverifiedShow Answer

Items in a list must be sorted to make sense.

Correct AnswerverifiedShow Answer

What is true about how lists are indexed?

Correct AnswerverifiedShow Answer

In what type of programming did recursive list processing become an important building block?

Correct AnswerverifiedShow Answer

Which of the following is NOT true about a file system's directory?

Correct AnswerverifiedShow Answer

What is the extra node needed to easily manipulate a doubly linked structure?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

In the array implementation of a list, the index-based operation getitem uses the subscript operator on the array variable.

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified