From : Agus Lahinta 

Assigment by : Nurlela Idrak

3.1 Look at A opposite. Which type of computer do these description refer to?

1.  a hand-held computer which can be used as a telephone, a web explorer and a personal organizer (Personal Digital Assistant or PDA)

2.  a typical computer found in many businesses and popular for home use (Dekstop PC)

3.  a large computer used for intensitive data processing and often linked to many terminals (Mainframe)

4. a small computer that fits into items of clothing (Wearable Computer)

5.  a portable computer that can be closed up like a briefcase, but it can be as powerful as a dekstop PC (Laptop)

6. a full-function PC, though it only weighs 1.2 kg – you can go to a meeting and write your notes on it, like a paper notepad; its screen mode can be changed from portrait to landscape (Tablet)

3.2 Look at the computer advertisement and find this information.

1.  What type of computer is advertised? (Laptop)

2.  What kind of screen does it have? (Widescreen)

3.  Which pointing device replaces the mouse? (Touch)

4.  What type of ports does it have for connecting cameras and music player? (USB)

5. What sort of power supply does it use? (Lithium-ion battery pack)

3.3 Read this interview with Adam Hawkins, an IT manager, and complete it with words from the PDA section opposite.

Interviewer: What are the basic features of a PDA?

Adam             : Well, a typical PDA is a (1) hand held device that runs on batteries and combines computing, phone and Net capabilities.

Interviewer: And how do you enter information?

Adam             : For input, you use a (2) Small keyboard or pen to write and make selection on a (3) touch screen; they also have buttons for launching programs. Some models have a small keyboard. They may have a (4) voice recognition software system that reacts to the user’s voice.

Interviewer: Do they need special software?

Adam             : Yes, most of them run on Windows Mobile. Palmtops supported by Palm Inc. use Palm OS. Pen-based system include (5) hand writing recognition so you write on the screen and the computer recognizes your handwriting and inserts the appropriate letters.

Interviewer: What sort of things can you do with PDA?

Adam             : You can store personal information, take notes, draw diagrams and make calculations. Many PDAs can acces the Net via wireles technology.