Functional Programming with OCaml - Week 0 Quiz Solutions

Question 1

How many elements does the array declared as int a[5]; hold?

A.4

B.5

C.6

D.Depends on the values stored

Correct Answer: 5

Question 2

Which data structure follows the Last-In-First-Out (LIFO) principle?

A.Queue

B.Stack

C.Array

D.Tree

Correct Answer: Stack

Question 3

In C, array indexing starts at which number?

A.0

B.1

C.-1

D.Depends on the compiler

Correct Answer: 0

Question 4

What does a pointer variable in C store?

A.The value of another variable

B.The memory address of another variabl

C.The data type of a variable

D.The name of a function

Correct Answer: The memory address of another variabl

Question 5

Which principle does a queue follow?

A.LIFO (Last-In-First-Out)

B.FIFO (First-In-First-Out)

C.Random access

D.Sorted order

Correct Answer: FIFO (First-In-First-Out)

Question 6

Select the true statements from the following

A.In C, arrays allow constant-time access to its elements

B.In C, a linked list allows constant-time access to its elements

C.The number of elements in an array is fixed at the time of the creation

D.The number of elements in a linked list is fixed at the time of creation

Correct Answers: In C, arrays allow constant-time access to its elements, The number of elements in an array is fixed at the time of the creation

Question 7

A stack is initially empty. The following operations are performed in order: push(1), push(2), push(3), pop(), push(4)

A.The pop() operation removed the value 3

B.After all operations, the element on top is 4

C.After all operations, the stack holds 4 elements

D.The pop() removed the value 1, since 1 was inserted first

Correct Answers: The pop() operation removed the value 3, After all operations, the element on top is 4

Question 8

In C, what does the expression 7 / 2 evaluate to when both operands are int?

A.3.5

B.3

C.4

D.1

Correct Answer: 3

Question 9

What does f(3) return? int f(int n) { if (n == 0) return 0; return n + f(n - 1); }

A.3

B.6

C.9

D.0

Correct Answer: 6

Q10

Question 10

Which of the following statements are true? Select ALL that apply.

A.arr[i] is equivalent to *(arr + i)

B.In an expression, an array name can be used as a pointer to its first element

C.A stack removes elements in FIFO (First-In-First-Out) order

D.A stack can be used to check whether the parentheses in an expression are balanced

Correct Answers: arr[i] is equivalent to *(arr + i), In an expression, an array name can be used as a pointer to its first element, A stack can be used to check whether the parentheses in an expression are balanced

Practice: Assignmnet - 0