C omplete these sentences using the collocations studied during the lesson

Task 2.Write about types of computer systems through the cluster based on Video and the text



laptop (also called a notebook PC



mainframe



touchpad



From mainframes to wearable computers

desktop PC



tablet PC



wearable computer

PDA



USB ports


laptop (also called a notebook PC- a computer that is portable and suitable for use while travelling
touchpad- a computer input device in the form of a small panel containing different touch-sensitive areas
tablet PC- is a mobile device, typically with a mobile operating system and touchscreen display processing circuitry, and a rechargeable battery in a single, thin and flat package.
wearable computer- a computing device worn on the body.
USB ports- allow USB devices to be connected to each other with and transfer digital data over USB cables.
PDA- a palmtop computer that functions as a personal organizer but also provides email and internet access.
desktop PC- a personal computer designed for regular use at a single location on or near a desk due to its size and power requirements.
mainframe- a large high-speed computer, especially one supporting numerous workstations or peripherals.


4 TASK 1. Look at extract Mouse. Complete these sentences with processor, it creates a new paragraph.
1. To start a program or open a document you……double-click……..on its icon – that is, you rapidly press and release the mouse button twice.
2. If you want to select a menu option, you just……click…….on the left button.
3. If you want to find the commands for a particular text, image, etc., you have to……right-click………on it.
4. If you want to move an object, press the button and……drag…………the object to the desired location.