Data Types in PPL | Introduction | PPL | Sebesta | Elementary Data Types in Programming Language

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Data Types :

1. Introduction

 

              A data type defines a collection of data values and a set of predefined operations on those values.

 

Descriptor:

              A descriptor is the collection of the attributes of a variable.

 

Object:

              The word object is often associated with the value of a variable and the space it occupies.

 

Types of Data Types:

i. Primitive Data Types

ii. Structured Data Types

 

Uses of the type system of a programming language:

 

i. Error detection

ii. Program modularization

iii. Documentation

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