JSS2 First Term Internet and Communication Technology (ICT) Lesson Note – Computer Problem Solving Skill

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WEEK 8                                

TOPIC: COMPUTER PROBLEM SOLVING SKILL

Meaning of computer program

A computer program is a set of instructions that directs a computer to perform tasks.

Programming Language

A programming language is a set of words, symbols and codes that enables a programmer to communicate instructions to a computer.

A programmer is someone who writes and modifies computer programs.

Programming is the act of writing instructions for computer to perform a specific task.

CATEGORIES OF PROGRAMMING LANGUAGES

There are a number of programming languages existing today. Each language has its own rule for writing the instructions. Programming languages are designed for specific purposes, such as scientific applications, business solutions or web page development.

Programmers must decide which programming languages and tools to use when they write programs.

TYPES OF PROGRAMMING LANGUAGES

1. Machine language
2. Low level language
3. High level language

Machine Language

A language in which the computer performs the instructions immediately without any further translation is called machine language. The machine language is the computer primary language. It is the only language that the computer understands and does not require interpretation. It is usually written in binary digits (0’s and 1’s). Machine language is referred to as the first-generation programming language because it was the earliest computer programming language.

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