UNIT 1:

OPERATING SYSTEM

O.S is a type of software that translates users orders to the computer lenguage.

Bit :  0   1
1 byte= 8bits

aplications

S.O

HW

INFORMATION FLOW:




input , processing , output

1.INPUT pheripheral devices: keyboard,scanner,web cam, mouse:enter information



2.CREATING DELEITING: mother band , processor,memory


3.OUTPUT pheripheral devices: speakers,printer,plotter,screen
       

PHYSICAL STRUCTURE OF INFORMATION

TYPES OF HDD

• Hardware                                  

keyboard
webcam
mouse
speakers
pen drive
microphone
scanner
memory room
cd-room
hard disk hdd
dvd
mother board
processor
graphic card
sand card

• Software

operating system
aplications:

• excell
• calculator
• world
• paint
• dropbox
• buscaminas
• paintball