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III. Mark the following statements as true or false

1. Satellite is linked to a dish network subscriber service and provides speeds similar to other broadband technologies.

2. Everyone in rural and urban areas can get DSL or cable service

3. Satellite broadband can deliver speeds of 1 megabits per second downstream, and 1 mbps upstream.

4. Satellite broadband less expensive than DSL.

5. Every time one sends a command to fetch a Web page, the request must travel 22,300 miles to a satellite in orbit.

6. Satellite broadband is the best choice for multiplayer online gaming.

7. Satellite broadband is far faster than dial-up.

8. Subscription fees for satellite broadband are increasing with time.

IV. Make dialogues about gps. Use information from the box.

24 satellites, twice per day, to orbit

transmissions from satellites, to receive

precise positioning data, to recognize / discern

1974 the first GPS satellite, to launch

US Department of defense, to operate, free

costs lower / to plummet, precision higher / to increase

accuracy a few meters

application:

civilian uses: astronomy, cartography, cellular telephony, aircraft tracking, fleet tracking, cars, navigation in hiking, robotics, tectonics, mining, GPS tours, telematics

military uses: navigation, target tracking, missile and projectile, search and rescue guidance

1. A: What is GPS?

B: The Global Positioning System refers to a system _______________.

A: What’s the heart of the system?

B: _________________________________.

2. A: What’s the application of GPS in Robotics?

B: Self-navigating, autonomous robots use GPS sensors, which calculate latitude, longitude, time, speed, and heading.

A: What’s the application of GPS in _______________ ?

B: __________________________________.

V. Read the short article about TCP/IP and choose the correct preposition to complete the text. Translate the text into Ukrainian paying attention to verb+preposition structure.

TCP/IP stands (1) for / by Transmission Control Protocol/Internet Protocol. TCP/IP is the combination of the two and describes the set (2) from / of protocols that allows hosts to connect to the Internet.

TCP/IP is an active process; a set of constant communications between private computers and Internet servers. When a computer attempts to log (3) in / on to the Internet, that computer's TCP/IP operations send a series of signals to Internet servers looking (4) for / at a connection.

The two layers of TCP/IP are defined (5) in / by the separate spelled-out versions. Transmission Control Protocol is the top layer; the one that converts messages or files (6) into / in data packets that are transmitted (7) over / on the network connection to the destination computer and then reassembled into messages or files that can be read (8) of / by the destination user. The lower layer of TCP/IP, Internet Protocol, provides the transmitting operation, configuring the connection's address so that the information gets (9) to / from the right place.