INFORMATION NETWORKS. TIER 9. Let’s Re-Cap…. General Concepts. What is Computer? Data & Information 3 components of a Computer System 4 elements of a Computer System Features of a Computer System Disadvantages of Computers Units of Storage. COMPUTER SYSTEM. - -. - - -.
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Terminals / Nodes
Connects & transmits only
Sends packet direct to terminal (via address)
Detects traffic & failures
Why do we NEED network managers ???