Computercomputers are made up of hardware and consists of the following Hardware - Electronic chips and components, processors,graphics cards, motherboard, hard-rives, fans, disc drives, data posts, circuit-boards, memory

Software consists of sequences of instructions called programs that can be understood by Hardware

Computer program= a sequence of instructions

Generations of programming language

Machine Code ( 0,0,1,1,0,0,1,1,0,0,0)Assembly Code Conventional linguistic grammar levels of Abstraction zeros and ones (0,0,1,1)

Problem-oriented languages C= systems solutions/SoftwarePHP= Server side Scripting is to do with internet with a website to respond to a command by the user (imperative languages= Sequential= one command and then the next)

Declarative programming language C++ Java - declare variables and then process them when needed

Language Translators = translate programs written in source code into executable instructions understood by the computer in it’s own Object code

1st Generation

2nd Generation

3rd Generation

Hardware

4th Generation

Low Level

High Level

Abstract Source code

Slow to Process Fast Processing

Object Code Literal

Assembly Code

4th Generation

3rd Generation

Machine Code

Assembler = Translate an assembly language into a machine code

Compiler = Translates a entire program written in a high-level source code in one go. (+) no translation required at run-time, runs faster(-) long programs may require a long time to compile before they can run

Interpreter = Analyses and translate individual lines of code at no-time(+) possible to test sections of code doing development (-) slower to process at no-time