Unit 2.

History of Computers Topical vocabulary

1.	abacus	16.	to invent
2.	bulky	17.	to reduce
3.	development	18.	to replace
4.	dividing
5.	generation	19.	analogue computer
6.	invention	20.	analytical engine
7.	multiplying	21.	artificial intelligence
8.	predecessor	22.	digital computer
9.	printout	23.	logarithm table
10	silicon	24.	integrated circuit
11	transistor	25.	paper tape
		26.	punched card
12	to complete	27.	quantum computation
13	to design	28.	slide rule
14	to develop	29.	vacuum tube
15	to emit	30.	voice recognition

2. Fill in the gaps with suitable words from the table:

predecessor	designed	transistor	generation	replaced
Artificial intelligence	abacus	invented	integrated circuit	bulky

1. The can be used to add, subtract, multiply and divide.

1. The first - computers were extremely large and had poor reliability.

2. A is a semiconductor device used to amplify and switch electronic signals.

3. Vacuum tubes were and unreliable.

4. In 1830s Charles Babbage the first programmable computer.

5. The transistor was in 1948 and the vacuum tube.

6. The computers that used technology could perform data processing operations in nanoseconds.

7. A vacuum tube was a to a transistor.

9 has become an essential part of the technology industry, providing solutions to the most difficult problems in computer science.

Match the words with their TRANSCRIPTION. Pay attention to the pronunciation of the letter "g"

generation technological analogue designed engine

/'analog/ /'end3in/ / di'zaind/ / cfeena'reijjejn/ /tekna'lodpkfa)!/

Use the phonetic alphabet to transcribe the following words. Pay attention to the pronunciation of the fetter "t".

Invention logarithm mathematician calculation

multiplying circuit analytical recognition

Listening. Famous English mathematician

1. A great English mathematician invented mechanical devices for mathematical calculations. Listen to the text. What devices did he invent?

2. Listen to the speaker and mark the following statements True or False.

1. When Babbage entered the University he found that he didn't know much about mathematics.

True False

2. Encouraged by the work of Analytical Engine, Babbage began to design another machine - Difference Engine True

False

3. Babbage's Difference Engine is an electromechanical

device.

True

False

4. Analytical Engine could perform mathematical operation according to a series of instructions.

True

False

5. Neither Analytical Engine, nor Difference Engine 2, was

finished in Babbage's lifetime.

True

False

3. Choose the correct answer according to the text.

1. Babbage is sometimes referred to as:

1. "son of computers"

2. "father of computers"

3. "inventor of computers"

4. "creator of computers"

2. Babbage went to

1. Cambridge University

2. Oxford University

3. Harvard University

4. London University

3. Babbage married

1. in the year of his entering the University

2. while studying at the University

3. in the year of his graduation from the University

4. in some years after graduating from the University

4. Charles Babbage had

1. three children

2. five children

3. seven children

4. eight children

5. The Analytical machine had

1. two units

2. three units

3. four units

4. five units