15.11. Glossary

ordered set:

A data structure in which every element appears only once and every element has an index that identifies it.

stream:

A data structure that represents a “flow” or sequence of data items from one place to another. In C++ streams are used for input and output.

accumulator:

A variable used inside a loop to accumulate a result, often by getting something added or concatenated during each iteration.

Q-1: Match the vocabulary word with its definition. Try again!
• ordered set
• a data structure in which every element appears only once and every element has an index that identifies it
• stream
• a data structure that represents a “flow” or sequence of data items from one place to another. In C++ streams are used for input and output
• accumulator
• a variable used inside a loop to accumulate a result, often by getting something added or concatenated during each iteration.

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