The computer

The computer

1. Introduction

   • The computer
     • Is a machine that processes information.
   • Hardware components
     • The main hardware components are the case or tower and the peripherals.
   • Software components
     • The main software components are the programs and the data.
   • Types of computers
     • There are three large groups of computers: 
   • Mainframes
   • Personal computers
     • They are small computers designed to serve a person.
   • Supercomputers
     • Supercomputers have a processing capacity of very large information.

2. Motherboard and CPU

   • Elements of a computer
   • The motherboard
   • The microprocessor
   • RAM memory
   • The supply

3. Hard disk and DVD

   • The hard drive
     • Location of the hard drive
     • External hard drives
     • How is the inside of the hard drive
     • Capacity of hard drives
   • Optical memory devices
     • CD and DVD units
     • Type of CD and DVD
     • How is the information stored on an optical disc?
     • How an optical disc is read?
     • How is an optical disc recorded?
     • Capacity of optical disks

4. Ports and expansion cards

   • The ports
   • The expansion cards

5. Peripherals

   • Imput peripheral s
   • Output peripherals
   • Imput/output peripherals