computers
DESCRIPTION
Computers are key components of the world of today. They play a very important role in education, business, economic, and many other fields. Let's get to know more about them!TRANSCRIPT
Computers….and…more
A programmable device
Carries out specific tasks
Arithmetic & mathematicoperations
Sequences of processes
• Electronic devices• Input peripherals• Output • Mixed peripherals• Storage • Memories• Central Processing Unit or
CPU• Executes a series of
instructions• Integrated circuits
Is a set of programs that serve as intermediary between the user and the hardware
OS
ProgramsApplications
Resources
Interfaces
Connection with equipment
TYPES OF OSSINGLE TASK
MULTI USER
MULTI TASK
SINGLE USER
ConvenientEfficient
OrganizedIn constant evolution
VersitileChangingAdaptable
Facilitates communication
Sharing files, information…
Share computer resources
Programming
NETWORKS
Scale: WAN, LAN, PAN, CAN, BN (backbone), VPN (virtual private)…
Connection:home PNA, Ethernet, line…
Services: pubic or private
Topology: tree, ring, star, bus….
Protocol: net & protocol…
