Type, click and talk! 1 Interacting with your computer Read the description of input devices and then label the pictures (1-8) with words from the text. Input devices are the pieces of hardware which allow interact with a computer by using one of these: a light us to enter information into the computer. The most pen, a scanner, a trackball, a graphics tablet, 2 game common are the Keyboard and the mouse. We can also controller or a microphone. 2 Describing input devices A BB Listen to a computer technician descrit ing three input devices. Write which de 1s he’s talking about. 1 2 3 8 BES Listen again and complete these extracts. 1 This device's te lieyratisn Sti conip 2 ..itmayaiso function keys and editing keys special purposes 3. Thisisa device the cursor and selecting items onthe screen, 4 Itusually two buttons and a wheel. Ba these acta one sleet tampered 6 it detecting light from the computer screen and is used by pointing it directly at the screen display. 7 tt the user answer multiple-choice questions andDescribing functions and features A. Look at the HELP box and then use the notes below to write a description of the Sony PlayStation 3 controller. Sony PlayStation 3 controller Functions © hold it with both hands, u handle humbs to irectional sticks and face button: Features © sixaxis sensing sensing motion in six directions: up, down, left, right, forwards and backwards) © wireless controller (Bluetooth © USB min fort and cable for wired play and automatic battery charging B a In pairs, choose one of these input devices and describe its functions and features. Try to guess which device your partner is describing. Touchpad on a portable PC rors Describing functions In the listening, the mouse for + gerund isa device for controlling the cursor anc selecting items on the screen. There are other ways of describing a devices function: © used = to + infinitive Sused to control relative pronoun + verb Thisisa device which controls © relative pronoun + used + to + infinitive This s a device which/that is used to control © work by + gerund Itworks by detecting light fro computer screen, Describing features We can describe features like this: aball has an optical sensorinstead of Irusually features two bu! You ean connect to a USB port Awireless moi works/operates witout cables tallows the user to questiThe keyboard A Label the picture of a standard keyboard with the groups of keys (1-5). 1. Cursor control keys include arrow keys that move the insertion point up, down, right and left and keys such as End, Home, Page Up and Page Down, which are used in word processing to move around a long documen 2. Alphanumeric keys represent letter 3. Function keys appear at the top of the keyboard and can be 4 numbers, as arranged on a typewriter programmed to c 4 Dedicated keys are used to issue commands or to produce alternative c key or the Alt key. special tasks acters, et 5 Anumeric keypad appears to the right of the main keyboard, The Num Lock key is used to switch from numbers to editing keys. APC-comparible ke B Match the descriptions (1-8) with the names of the keys (ah). Then find them on the keyboard. 1. Along key at the bottom of the keyboard. Each time itis pressed, a arrrow keys it produces a blank space b retum/enter 2. It moves the cursor to the beginning of a new line. Iti also used © Capslock to confirm commands. 4 Sun 3 It works in combination with other keys. For example, you press this key and C to copy the selected te ee 4 Itremoves the character to the left of the cursor or any selected cert text 9 backspace 5 It produces UPPER CASE characters, h ced 6 It produces UPPER CASE letters, but it does not affect numbers and symbols. 7 Itmoves the cursor horizontally to the right for a fixed number of spaces (in tabulations and data fields) 8 They are used to move the cursor as an alternative to the mouse.5 Mouse actions Complete this text about the mouse with verbs from the box. click double-click LEE TSC ‘Amouse allows you to (1) the cursor and move around the screen very quickly. Making the same movements with the arrow keys on the keyboard would take much longer. As you (2) the mouse ‘on your desk, the pointer on the screen moves in the same direction, The pointer usually looks like an Hoar, an arrow, ora pointing hand, depending on what you are doing ‘Amouse has one or more buttons to communicate with the computer. For example, if you want to place thé insertion point or choose a menu option, you just 8) (press and release) on the mouse button, and the option is chosen. The mouse is also used to (4) ———text and drag grab select. —- move convo | iterns on the screen. You can highlight text to be deleted, copied or edited in some way. The mouse is widely used in graphics and design. When you want to move an image, you position the pointer on the object you want to move, press the mouse button, and (5) the image to a new location on the screen. Similarly, the mouse is used to change the shape of a graphic object. For example, if you want to convert a square into a rectangle, you (6) one corner of the square and stretch itinto a rectangle. The mouse is also used to start a program or open a document: you put the pointer on the file name and a on the name ~ that is, you rapidly press and release the mouse button twice, Goov. Now, BAT THE MOUSE OVER THE CAT F000 DisH Com ae ANO DouBle cCuck - www CartoonStockcomSpeech recognition systems A. I Listen to an interview with Anne Simpson, an expert in voice input technologies and tick (V) the features she mentions. Di allow you to surfthev 1 allow you to design graphi B [Bi Listen again and answer these questions. 1. What do people usual “ommunicate with a computer? 2 How 3 4 5 jo you get the best results from speech recognition software? with the software? EX) ingroups, discuss these questions. 1 What ar 2 3 1e benefits of speech recognitior What kind of tasks w the future of this kind of technology? ou think it w