Information technologies and computer networks
Answers are for parents and teachers.
1
Find an example of a local network at your school and name its server and clients.
For example: a computer lab – the teacher’s computer is the server, pupils’ computers are clients (the answer depends on the school).
2
Write three information technology means (outer factors) and one method (inner factor) from your home.
For example: phone, TV, book; method – preparing lessons by a timetable.
3
Write the difference between local, regional and global networks as a table.
Local – one room/building; regional – one country; global – the whole world.
4
What does a modem convert, and why do most devices today show no separate modem? Write 2–3 sentences.
It converts between digital and analog signals. Today this job is built into routers, phones and other devices, or optical fibre/mobile networks are used.
5
Give an example of an information system (e.g. an airline ticket or library system) and list its parts.
A library system: computers, a network, a database of books, a program, the librarian and readers.