1C: use of network

Question 1

network meaning

Answer 1

a collection of computers connected electronically to facilitate the transfer of data and software

Question 2

response time meaning

Answer 2

the elapsed time between a request(user input) and a response(output to user) from the system

Question 3

advantages of using networks - developers

Answer 3

• allows distant communication
• access to resources
• improves productivity

Question 4

developers + communication via networks

Answer 4

good for collaborative projects; developers may be very far apart, network allows easy communication between team members

Question 5

developers + resources via networks

Answer 5

programming language libraries + related documentation found on the web
- allows research and instant downloads of existing code modules

Question 6

things to think about w/ users and their use of network based software

Answer 6

• response times
• interface design
• privacy + security issues

Question 7

users + response times + interface via networks

Answer 7

cannot be controlled with certainty; varies depending on activity + large files
- can be somewhat regulated with compromises

Question 8

client-based model

Answer 8

used by most network based software

Question 9

how does a client-based model work

Answer 9

1. client application installed on computer/runs on web browser
2. input/data from user transmitted over network to server
3. server app runs on server, responds to client’s request by retrieving data
4. server app formats info and sends back to user

Question 10

how to improve performance for users

Answer 10

minimize number of request + responses, minimize retrieved data, less quantity of client requests + server responses