Must-Know Practice Sets
A mathematical quiz context happened in a school and the scores are stored in an array named quizmark. The coordinating person wants to copy the quiz score into another array named copyquizmark. Which of these options will do that?
Using for loop helps to copy the elements from one array to another array.
1Assume, number[100] <- 99. How many elements can be stored inside the array variable number?
From the given statement, it is predictable that number 99 is assigned to 101st position of the array. But there is no clue about the total size of the array and the number of elements that can be stored.
Map the scenario to its appropriate array type: - Matrix multiplication - To create a list of all prime numbers below 100
Matrix multiplication requires a 2D array; storing a list of prime numbers requires a 1D array.
Which of the following are False with respect to the manipulation of arrays?
An array can store homogeneous data. Elements of array are stored in contiguous locations and it is not possible to increase the array size.
Negative elements can be placed inside an array. State true / false.
Size of the array cannot be negative. But the elements stored inside an array can be negative.
The names of all associates undergoing training are stored in an array named associate_name[50]. The 5th associate's name is retrieved as:
Since array index starts from 0, the fifth element is accessed by array[4]. It is possible to perform arithmetic operations in an array position, so associate_name[3+1] is also valid.
Information about ___________ need not be specified when declaring an array.
It is not mandatory to specify the elements to be stored in the array when declaring an array.
It is not possible to do a search operation in an array that is not sorted. State True/False.
It is not mandatory to sort an array when searching an element randomly. It can be either sorted or unsorted.
The operation of ordering the elements in the list is known as ___________.
Sorting is the process of ordering the elements.
Random access is not possible in an array. State True/False.
Elements in an array are stored sequentially and contiguously, and can be accessed in a random manner.
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