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Basic English for Computing / Texts+Tests for Units 1-28 / Unit 6 Microsoft Office Word 97 - 2003

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Unit 6

1 Terms to learn

1trackerball

шаровой указатель

2 joystick

джойстик

3 touch(-sensitive)screen

сенсорный экран

4 lightpen

световое перо

5 lever

рычаг, средство воздействия

6 graphics tablet

графический планшет

7scanner

сканер

8 digital camera

цифровой фотоаппарат

9 microphone

микрофон

10 optical character recognition

оптическое распознавание знаков

11solid state memory

твердотельная память

12 to download

загружать, скачивать

13 LCD(Liquid-Crystal Display)

жидкокристаллический (ЖК) экран

14charge-coupled device

прибор с зарядовой связью, ПЗС

15 analog-to-digital converter

преобразователь из аналоговой формы в цифровую, цифратор

16 webpage

Web -страница, веб-страница, веб-документ, Интернет-страница

17 touchpad

сенсорная панель

18 binary

двоичный (представленный в двоичной системе счисления)

2 Read the text

Input Devices

A variety of input devices can be connected to a computer to allow the user to input different kinds of data and to control the computer in different ways. Some common input devices and their functions are shown in the tables below.

Standard input devices

Device

Comments

keyboard

Main input device for controlling the computer and inputting text and numerical data

Cursor control input devices

Device

Comments

mouse

Common input device for use with a graphical user interface. The mouse sometimes has a ball underneath that is rolled on a mousemat.

trackerball

It is like a mouse turned upside down. The trackerball remains in one position while user rotates a small ball on top.

joystick

A vertical lever allows the user to control the cursor precisely and at high speed. Particularly good for playing fast action games.

touchscreen

The user interacts with a computer by lightly pressing their finger on a touch-sensitive area of the monitor screen.

Optical input devices

Device

Comments

Lightpen

It detects differences in reflected light. It can be used for drawing directly on the monitor screen or for reading printed optical characters or barcodes.

Graphical tablet

Used with a lightpen for drawing. The user draws on the tablet with a lightpen as if they were drawing on a sheet of paper.

Barcode reader

A special kind of lightpen for reading barcodes. Barcodes are used to identify items for stock control and pricing.

Scanner

Used to input text and graphics from a printed page.

Digital camera

Used to take pictures of an object. The picture is stored electronically and can be edited using a computer.

Voice input device

Device

Comments

Microphone

Used to input sound

3 Answer the following questions

1 What two types are input devices divided into?

2 What input devices are considered to be cursor control input devices?

3 What optical input devices do you know?

4 A digital camera takes pictures of an object, doesn’t it?

5 What is a joystick particularly good for?

6 What is a barcode reader used for?

Test 4

Match the words in the left column with their meanings in the right column.

1 system analysis

a) A list of options displayed on a computer screen

2 binary

b) to put data into a system

3 touchpad

c) an input device for taking pictures that has an electronic lens and uses electronics for storing the images rather than chemical film

4 analogue-to-digital converter

d) a cursor control input device with an upright arm. It is commonly used for controlling fast moving objects in computer games.

5 webpage

e) an electronic semiconductor camera device

6 charge-coupled device

f) a cursor control input device that senses the movement of a finger across a flat surface

7 LCD(liquid crystal display)

g) beloning to the number system that has only two digits, i.e.1 and 0

8 package

h) an electronic card that converts analogue sound signals into binary code to enable the computer to identify spoken words

9 programmer

i) an input device consisting of a flat, pressure-sensitive pad that the user draws on or points at with a special stylus, to guide a pointer displayed on the screen

10 download

g) an optical input device that uses the reflection of light to copy text or graphics into a computer

11 solid state memory

k) the study or use of systems (esp. computers and telecommunications) for storing, retrieving, and sending information

12 optical character recognition

l) a cursor control input device that has a ball on top that is moved by the user’s fingers

13graphics tablet

m) an input device used for sound

14 Information technology

n) The electronic circuit board inside a computer that is used to connect the computer to a network

15 joystick

o) A piece of equipment used for entering ata or controlling a computer

16 scanner

p) a display device that allows a user to interact with a computer by touching areas on the screen

17 touchscreen

q) a process that enables the computer to scan and recognize printed characters using the reflection of light

18 trackerball

r)

to copy a file from a server to a client computer in a network

19 microphone

s) electronic memory made from electronic chips

20 digital camera

t) A combination of a number of computers and peripheral devices connected together

21 input device

u) The programs and data used in a computer

22 export

v) a multipurpose methodology providing analysis of complex problems as well as their alternatives. Primarily it was created for solving military missions

23 input

w) a device for changing analogue signals into digital signals

24 database

x) a hyperlinked page in a web network system

25 menu

y) an electronic display device that uses liquid crystal cells to control the reflection of light

26 MSDOS

z) To bring data out of a program in a form suitable for use by another program

27 network, n

aa) an application program or collection of programs that can be used in different ways

28 NIC (network interface card)

bb) a person who writes computer programs

29 software

cc) a type of application program used for storing information so that it can be easily searched and stored

30 speech recognition board

dd) trademark, abbreviation for Microsoft disk operating system