Connects to external devices

Stores data temporarily

Manages instruction execution and data flow

Performs arithmetic operations

To hide system architecture

To eliminate subsystems

To break down systems into manageable components

To increase system complexity

delivers of a complete file from the process on one computer to the process on another computer

both of them

none of them

builds distributed “network services” on transport services

how nodes work together

how nodes work with WWW

how apps use the network

how apps use the internet

Ensures delivery of data

all of them

Data is sent with no confirmation of delivery

If data is corrupted, the receiver discards the data

Compilers and Interpreters are programs that translate the source code into machine language code

Compilers and Interpreters are programs that translate the computer code into machine language code

Compilers and Interpreters are programs that translate the source code into computer code

Compilers and Interpreters are programs that translate the computer code into source code

Long-term data storage

Network communication

Power regulation

Temporary data storage for processing

Human-Computer interaction (HCI) is only about making the interface look pretty

Human-Computer interaction (HCI) is about only desktop computers

Human-Computer interaction (HCI) is about making computers more receptive to the user’s needs

Human-Computer interaction (HCI) is something that would be nice to do but usually there’s no time for it

Fully conected

Tree

Bus

Star

Uses pictures, windows, menus, icons to represent object and operation

Requires a high degree of computer knowledge

User can select any object by pointing the mouse at it and click on it

Interacts with icons and visuals