This article provides comprehensive information about the different types of computer languages, including their definitions and examples. Computer awareness is essential in many banks and other competitive exams, where questions about computer language types and the important terms used in computer languages are frequently asked. For your convenience, we have provided a list of types of computer languages pdf with its examples. Continue reading on this page to learn more about to get to know about what is computer language and its types.
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What Is Computer Language?
Generally, the term "language" refers to the means of communication used by a group of individuals or entities to exchange ideas, give instructions, and more. Humans require a language, such as Hindi, Telugu, English, etc., to convey information, express emotions, and communicate with others. Since a computer cannot directly understand human languages, there are specific computer languages to communicate with it.
Computer Languages are a group of instructions that are used to create computer programs. It is a system of notation that directs a computer on the execution of particular tasks. These languages of computers are primarily designed to enable and ease communication between humans and computers.
Types of Computer Languages With Examples
Computer languages are classified into two types based on their level of abstraction and purpose. The two types of computer languages with examples are,
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Low-Level Language
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High-Level Language
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Low-Level Language
A low-level computer language is made up of the binary system, using only the digits 1 and 0. This language was used to build the first and second generation of computers. The simplest type of computer language is made up of binary code, consisting of 0s and 1s, which the hardware of the computer can directly interpret and execute. A low-level language is easily understood by a computer but difficult for humans to comprehend. Low-level languages are created to communicate with computer hardware and it is divided into two types:
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Machine-level language
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Assembly-level language.
1. Machine-level language
A Machine-level Language is defined by its exclusive use of the binary digits 0 and 1, which allows the computer to understand instructions and represent data. The use of binary-form data contributes to its fast execution. In machine language, instructions are executed directly by the CPU. Machine language is also known as object code or machine code.
- The language was initially developed to communicate with first-generation computers.
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Machine language is regarded as the oldest form of computer language types.
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Machine language is developed by only using binary numbers i.e., 0 and 1. So, the instructions or the statements in this language use a sequence of 0’s and 1’s.
- In this machine-level language, there are two forms of logic that can function within the computer system. They are,
1. Positive Logic - In this system, the presence of voltage is represented by 1, and the absence of voltage is represented by 0.
2. Negative Logic - In this system, the presence of voltage is represented by 0, while the absence of voltage is represemnted by 1.
- An example of a machine language instruction is a simple addition operation: 01100110 00001010.
2. Assembly Level Language
Assembly language is a low-level programming language designed to interact directly with a computer's hardware. Assembly language uses symbols, commonly referred to as mnemonics in computer terminology, to write instructions. Therefore, writing a program in Assembly Language is more understandable to humans compared to machine-level language.
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In assembly language, each instruction represents a specific machine operation, but instead of using binary digits (0s and 1s), it uses symbols or abbreviations like MOV for move, ADD for addition, and SUB for subtraction.
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It enables programmers to engage directly with the hardware, offering enhanced control over system resources.
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High-Level Language
A high-level language is a type of computer language created to be user-friendly, making it easy for humans to read, write, and maintain as it uses symbols letters phrases to represent logic and instructions in a program. It contains a high level of abstraction compared to low-level languages.
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High-Level Languages represent the advanced stage in the evolution of computer languages.
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Abstraction: High-level language hides the complex details of how computers work. This allows users to focus on what the program should do instead of how it will run on the machine or compiler.
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Human-Readable Syntsx: A program written in a high-level language uses words and symbols that are more easily understood by humans, making it simpler for users to read and write code.
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Easy to Use: High-level languages are designed to be user-friendly, featuring clear commands and useful tools that simplify writing and testing code.
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Enhanced Debugging and Error Handling: High-level languages offer tools that simplify the process of identifying and correcting errors in our code.
- The types of High-Level Languages in the types of computer languages are C, C++, Java, Java Script, Python, C#, PHP.
Example of High-Level Languages (in C)
Input:
#include
int main() {
// printf() displays the string inside quotation
printf("Hello, World!");
return 0;
}
Output:
Hello, World!
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Difference between High-Level Languages and Low-Level Languages
The difference between high-level languages and low-level languages are provided in the following table. High-level languages and low-level languages differ in several ways. They are,
Difference between High-Level Languages and Low-Level Languages
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High-Level Language
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Low-Level Language
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This takes a long time to be executed.
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Program Execution time is less.
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High-Level Language languages are human-friendly
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Low-Level Language languages are programmer-friendly
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High-level languages are easy for humans to understand as they use English statements.
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Low-level languages are difficult for humans to understand because they use binary numbers, which computers can easily interpret.
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Simple to maintain.
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Complex to maintain.
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Debugging is easy in High-Level languages.
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Debugging is hard in Low-level languages.
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Programs written in high-level languages are portable, which means they can be used on any computer.
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Programs in low-level languages are not portable.
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These languages are widely used in today’s technology.
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Low-level languages are not used in the prevailing technology.
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Important Terms Used in the Types of Computer Languages
Here are some important terms that are used in the computer languages.
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Algorithm: An algorithm is a collection of instructions written to solve a problem.
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Statement: A statement is an instruction that tells a computer how to perform a specific action using words or commands.
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Syntax: Syntax is the structured arrangement of statements.
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Compiler: A program that converts high-level source code into machine code or an intermediate code.
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Debugging: The process of identifying and correcting errors or bugs in a program.
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Binary Number: Binary numbers are a method of representing data, using the digits 1 and 0. The computer can only understand binary language.
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Coding: Coding is the process of creating computer instruction. Computer codes are also called Programs.
FAQs
Q. What are computer languages?
Computer Languages are a group of instructions that are used to create computer programs. It is a system of notation that directs a computer on the execution of particular tasks.
Q. What are the types of computer languages?
There are two types of computer languages: Low-Level Language (Machine-level language, Assembly Level Language), and High-Level Language.
Q. What is Machine-level language?
A Machine-level Language is defined by its exclusive use of the binary digits 0 and 1, which allows the computer to understand instructions and represent data.
Q. What are the types of High-Level Languages?
The types of High-Level Languages are C, C++, Java, Java Script, Python, PHP.