Chapter 1

 Hello, guy's my name is Mohamed Al Faiz I am studying diploma in electrical and electronic. I am in the first year, 3rd semester. I was absence class for 10 days due to my problems. you guys can call me Faiz and this is what I learned in computer application class. Our lecture name is Miss Wan Irma, she is very patient teaching the lesson. I have to thanks to god because of giving this lecture .

Chapter 1
Basic introduction to computers;-

what are computers?
computers is an electronic device for storing and processing data, typically in binary form, according to instructions given to it in a variable program.
     

This is the process of the computer

The components of a computer;-

A computer has lots of components which mainly consist of electrical and electronic components.  

    

         

The advantage and disadvantage of computer:-

Although a lot of people use the computer is not mean that computer is good in a positive way it also has a negative side.

Network and the internet

A network is a collection of computers and devices connected together, often wirelessly via communications devices and transmission media such as Bluetooth and wifi.

The internet is a worldwide collection of networks that connects millions od business, government agencies, educational institutions, and individuals.

Internet connection all over the world

people use the internet for a variety of reasons:

computer software:-

The software also called a program tells the computer what tasks to perform and how to perform them. there is two type of software that two software are system software and application software.

Installing is the process of setting up software to work with the computer, printer, and other hardware

Categories of computer:-

•  Personal computer
• Mobile computers and mobile devices
• Game consoles
• Servers
• Mainframes
• Supercomputers
• Embedded computer

Personal computer:-

Personal computer can perform all of its input, processing, output, and storage activities by itself.

Mobile computer and mobile devices:-

Mobile computer

the personal computer you can carry from one place to anther place.

Mobile device

computing device small enough to hold in your hand and easy to carry.

Game consoles:-

A game console is a mobile computing device designed for single-player or multiplayer video games.

Servers:-

A server controls access to the hardware, software, and the other resources on a network where it provides a centralized storage area for programs, data, and information.

Mainframes:-

A mainframe is a large, expensive, powerful computer that can handle hundreds or thousands of connected users simultaneously.

Supercomputer:-

A supercomputer is the fastest, most powerful computer in this world where it is capable od processing more than one quadrillion instructions in a single second.

Embedded computers:-

An embedded computer is a special-purpose computer that functions as a component in a larger product.

Nowadays car uses embedded computer systems to break

As so far the computer has a lot of functions but we have to own the history or the evolution of the computer itself. the picture below shows the evolution of computers.