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  1. Reading Exercises:

Exercise 1. Read and memorize using a dictionary:

arbitrarily, substitution ciphers, elaborate, digit, to accommodate, numerical control, machine tools, to be aware, sufficient, host computer, request, remote, distinct, decimal number

Exercise 2. Answer the questions:

  1. When were elaborate commercial codes developed?

  2. How many digits does decimal system employ?

  3. How many fundamental arithmetic operations do you know?

  4. What is the principal element of computer-integrated manufacturing?

  5. What do client computers provide?

Exercise 3. Are these sentences true or false?

  1. Substitution ciphers are not similar to codes.

  2. Fundamental Boolean algebraic operations can all be reduced to four fundamental arithmetic operations.

  3. NC is also essential to the operation of modern industrial androids.

  4. A client computer can send e-mails.

  5. There are four basic types of NC.

Exercise 4. Match the left part with the right:

1. A device called a clock sends out

a) codes except that the rule for replacing the information is known only to the transmitter and the intended recipient of the information.

2. Substitution ciphers are similar to

b) on (1) or off (0) to pass or block the pulses.

3. A server provides

c) regular pulses.

4. Transistors switch

d) a standardized transparent interface to clients.

THE SPEAKING MODULE

II. Speaking Exercises:

Exercise 1. Define the terms using the suggested words and expressions as in example:

Information science

Code

Client –server architecture

Numerical control

Binary code

discipline, deals with, processes, storing,transferring, information

system, symbols,rules, used, expressing, information

architecture, computer, network, clients, request, receive, service, centralized, server

control, system, device, direct, input, data, form, numbers, letters, symbols, words, combination 

code, digital, computers, based, binary,number, system, there are, two, possible, states, off and on, usually,symbolized, 0 and 1

EXAMPLE: Information science is a discipline that deals with the processes of storing and transferring information.

Exercise 2. Ask questions to the given answers:

  1. Question: ___________________________________________ ?

Answer: Binary code and other machine languages.

  1. Question: ___________________________________________ ?

Answer : Point-to-point and continuous-path.

  1. Question: ___________________________________________ ?

Answer: A series of electrical pulses.

  1. Question: ___________________________________________ ?

Answer: At workstations or on personal computers.

  1. Question: ___________________________________________ ?

Answer: More advanced codes.

THE WRITING MODULE

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