Understanding Arrays in C, C++, and Java

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What problem can arise from allocating less memory than required?

Array overflow (correct)

Slow program execution

Memory wastage

Data corruption

What is the primary advantage of using arrays for storing data elements?

Saves memory space

Reduces confusion from using multiple variables (correct)

Prevents data duplication

Allows random access to elements

For what purpose can arrays be used in the context of database systems?

To store and sort records (correct)

To increase CPU speed

To implement data structures

To perform matrix operations

What is a common application of arrays in terms of sorting techniques?

Implementing selection sort Signup and view all the answers

How are arrays beneficial in terms of implementing other data structures?

They aid in implementing queues and hash tables Signup and view all the answers

What is the main purpose of an array?

To store multiple values of the same type in a fixed-size sequential collection Signup and view all the answers

How are elements in an array accessed?

By using a unique index Signup and view all the answers

What does a one-dimensional array consist of?

Elements stored in contiguous memory locations Signup and view all the answers

In C++, arrays are useful because:

They avoid the need to declare separate variables for each value Signup and view all the answers

What differentiates a three-dimensional array from a two-dimensional array?

The number of dimensions it has Signup and view all the answers

Why is it more efficient to use an array instead of separate variables for each value?

Arrays require less memory compared to individual variables Signup and view all the answers

Which of the following best describes the purpose of an array?

To store a collection of variables of the same type Signup and view all the answers

What is one advantage of using arrays?

Elements can be accessed randomly using indexes Signup and view all the answers

Which of the following is a disadvantage of using arrays?

The size of the array must be known in advance Signup and view all the answers

What is meant by the statement: "Arrays allocate memory in contiguous memory locations for all its elements"?

Elements are stored in consecutive memory locations Signup and view all the answers

Which of the following data structures can be implemented using arrays?

All of the above Signup and view all the answers

What is the purpose of using two-dimensional arrays?

To represent matrices Signup and view all the answers

Understanding Arrays in C, C++, and Java

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