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Pascal: definition, features, types, advantages and disadvantages

 Pascal: definition, features, types, advantages and disadvantages

Pascal definition, features, types, advantages and disadvantages

When talking about programming languages, Pascal is one example that is often used by programmers. A programming language is an instruction or command used to command a computer. A simple Pascal Program you can find easily. 


Pascal includes programming languages that use languages that can be understood by humans and the use of programming languages is also structured. This programming language is often used by students of algorithms and also beginners in academic programming. Well, below is a complete explanation of Pascal, such as understanding, language features used and others. 


Contents hide 

1 Definition Of Pascal

2 History Of Pascal

3 Features Of The Pascal Language

4 Types Of Formed Data

5 Built-In Data Types

5.1 stricter Data type rules

5.2 Have A Number Of Data Structures

5.3 Supporting Structural Programming

5.4 Support Object Programming

5.5 simple and expressive

6 Pascal Data Types

7 Examples Of Simple Data Types

7.1 1. Real Numbers

7.2 2. Integer Number

7.3 3. Boolean

7.4 4. Char

7.5 5. Enumerated

8 Examples Of Structured Data Types

8.1 1. Record

8.2 2. Array

8.3 3. File

8.4 4. Set

8.5 5. String

9 advantages and disadvantages of Pascal

9.1 advantages of Pascal programming language is:

9.1.1 1. Simple and expansive

9.1.2 2. More Structured

9.1.3 3. Strongly Typed

9.2 lack of Pascal programming language is:

9.2.1 1. Not Flexible

9.2.2 2. Does not support programming systems intended for objects

9.2.3 3. Wordy syntax

9.2.4 4. Not suitable for Business Applications

Understanding Pascal 

Pascal is a computer programming language in which the way it is written is like writing an English structure algorithm. Pascal has a characteristic structure and is composed of blogs known as subprograms. This block is small in size and will be used to create a blog with a larger size. 


Understanding Pascal

Pascal implements a programming procedure that can be considered as a fairly good programming language. That is why Pascal can be an option for those of you who are learning about programming concepts. 


History Of Pascal 

Pascal is a procedural programming language that was designed in 1968 and published in 1970 or 2 years later. This programming language was published by Niklaus Wirth and later named in honor of the French mathematician and philosopher Blaise Pascal. 


Pascal can run on a number of platforms, such as Mac OS Windows and a number of versions of Linux or UNIX. Pascal offers a number of data types and their features. Once you understand what Pascal is, it's time to talk about the most common features of the Pascal programming language. 


Pascal Language Features 

Pascal Language Features

Pascal has a number of features so that the programming language is suitable for Learning media for novice programmers or creating commercial applications. Here are some features of Pascal that you need to understand:


Formed Data Types

In the Pascal system, programmers can create data types that have their own defined form 


Built-In Data Types 

Pascal has a standard data type and is usually used in other computer programming language systems, such as integer, real, Character and Boolean. 


Stricter Data type rules 

Pascal restricts the use of data types very strictly so that users can only use variables for one data type and also those variables have been declared first. 


Has A Number Of Data Structures 

Pascal features a number of data structures, such as sets, records, arrays and sets. 


Supports Structural Programming 

Pascal also supports structural programming to support subprograms of functions and procedures. 


Supports Object Programming 

Pascal has supported object-based programming, especially for compilers in recent versions. 


Simple and expressive 

Most Pascal commands are in plain English. This makes the program easier to understand. 


Pascal Data Type 

Pascal language data types are divided into 2 categories, namely simple data types and also structured data types. Simple data types are usually used to create programs with data types, such as real, integer, boolean and others. While structured data types consist of, records, arrays, sets and files. 


Examples Of Simple Data Types 

Examples of simple data types in the Pascal programming language are:


1. Real Numbers 

Real numbers are a type of fractional number that is usually written in simple or scientific form. This type of number is also used to store real numbers or Numbers with commas.


2. Integer Number  

An integer is a type of integer or comma-less number that has shortint, byte, word, integer and longint data types. Useful integers limit the desired memory allocation in a program. 


3. Boolean

Boolean is Pascal's data type for true false. This term is very commonly used and also includes a type of logical data by containing 2 possible values, namely true (true) and false (false). 


In Turbo Pascal on Windows has 3 data types, such as WordBool, Boolean and LongBool. Each data type has a place size of 1 byte, LongBool 3 bytes and WordBool 2 bytes. 


4. Char

Char is a simple Pascal data type that stores characters typed on a keyboard. In total there are 266 kinds and are in the American Standard Code for Information Inchange table or ASCII for short. Writing this data must also be accompanied using single quotes. 


5. Enumerated

Enumerated also includes a simple Pascal data type that is used to store a number of constants specified by the user. 


Examples Of Structured Data Types 

Examples of structured data types in the Pascal programming language are:


1. Record 

The record data type is usually used to store a number of values that have different data types and are accessed using field names. 


2. Array 

Array data type is a data type that consists of a collection of other data types that are still of one type. Members of this data type are usually known as elements and in Pascal, the number of array elements should be predetermined. 


3. File 

A File is a type of data used to access files and you can also read files or write to them. 


4. Set 

Data type set is a data type that consists of a set of other data types, such as a set of numbers 2 to 10 or others. This data type is usually used to create set operations, such as slices, joins or increments. 


5. String 

String is a data type in Pascal that can accommodate many characters, such as words and sentences. This type of data is also often inserted into arrays. 


Well, those are some examples of Pascal programming language data types that you should understand. 


Advantages and disadvantages of Pascal

Advantages and disadvantages of Pascal

The advantages of the Pascal programming language are:

1. Simple and expansive 

Pascal is one of the simple and expansive programming languages or can approach human language in general. 


2. More Structured

Pascal is also more structured because it has a syntax that allows it to break the writing of programs into small functions and can be used repeatedly. 


3. Strongly Typed 

A programmer needs to specify the data type in a variable. Well, these variables can be used to store data types with different formats. 


Lack of Pascal programming language:

1. Not Flexible 

One of the drawbacks of the Pascal programming language is that it lacks flexibility. This is because it has many shortcomings that are necessary to make a great application. 


2. Does not support programming systems intended for objects 

Pascal also does not yet support programming systems intended for objects so it is still limited. 


3. Wordy syntax 

Another drawback of Pascal is that the syntax in Pascal is too long-winded.


4. Not suitable for Business Applications 

The last drawback of Pascal is that it is not yet suitable for business applications because in early versions database support is still limited. 


Well, so Pascal is a programming language that is often used when studying algorithms and programming in academia. 


For those of you who want to learn programming languages can take programming courses with experienced teachers and obtain a certificate through Coding Studio.

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