INTRODUCTION TO
COMPUTER NETWORKS
VMEU 312 Computer Literacy
,Computer Networks
Two or more computers or
communications devices
connected by transmission
media and channels and
guided by a set of rules for
communication purposes
that allow users to
communicate with each
other and share applications
and data.
Information Technology Center 2
,Uses of Computer Networks
Resource sharing
◦ Hardware sharing
◦ Software sharing
Application sharing
User communication
Information Technology Center 3
, Why Networking?
• Sharing information — i.e. data
communication
• Do you prefer these?
• Or this?
Information Technology Center 4
COMPUTER NETWORKS
VMEU 312 Computer Literacy
,Computer Networks
Two or more computers or
communications devices
connected by transmission
media and channels and
guided by a set of rules for
communication purposes
that allow users to
communicate with each
other and share applications
and data.
Information Technology Center 2
,Uses of Computer Networks
Resource sharing
◦ Hardware sharing
◦ Software sharing
Application sharing
User communication
Information Technology Center 3
, Why Networking?
• Sharing information — i.e. data
communication
• Do you prefer these?
• Or this?
Information Technology Center 4