a) To explain how to get access to the Internet.
b) To show why the most popular Internet service is e-mail.
c) To give an overview of the global computer network.
d) To illustrate the disadvantages of the available telecommunications systems.
2. Packet switching is useful …
a) until any nuclear explosion takes place;
b) because information can be routed around knocked out computers;
c) provided all computers of the network are knocked out;
d) only for conducting transactions within the United States.
3. The expression ‘in the clear’ is used in this passage to denote …
a) information encoding;
b) data changing;
c) no encoding programs used;
d) message security.
4. The prediction that commercial use of the Internet will drastically increase is primarily based on …
a) e-mail being the most popular Internet service;
b) possible use of cheaper labour;
c) its utmost security;
d) money-saving prospects.
5. 1969 saw the beginning of …
a) a basically different type of nuclear arms;
b) the computer-aided design era;
c) the Internet;
d) telecommunication.
Read the passage and mark the statements bellow T (true) or F (false)