Introduction

Date: 2015-10-07; view: 432.

Unit 15. Electronic Assembly

Word Check

GROUP WORK

Discuss where you would site a new airport, railway station or motorway /major road for your city or region. Consider the following:

— location

— access

— public transport

— facilities, e.g. car parks, check-in, baggage handling, restaurants, duty-free shopping, etc.

concourse — large open area, e.g. in an airport, railway station, etc.

to repeat — to give information again

closed-circuit TV system — system which sends information to a limited number of TVs

to generate — to produce

standard — normal (the opposite is non-standard)

message — piece of information

to be composed of — to consist of

matrix — arrangement of holes in rows from which a letter or number can be produced

to shine — to direct or send light

flexible — can change for new needs or conditions

reliable — can be trusted, doesn't break down too often

flap — board which shows arrival and departure information

to represent — to show

integrated — combined, not individual

to code — to translate into a special system, e.g. numbers, bars, etc. so that it can be read

(electronically) (price) tag — small piece of paper or material with information, e.g. of price

beam — line of light

(comparison of adjectives)

This unit deals with a new method of fixing electronic components to a circuit board. In the conventional (usuaJ) method, components are fixed through holes in the board. In the new method (surface mounting) the components are fixed directly onto the board without any holes.