Vocabulary development

4.3 Match the words (a) with he definitions (b)

A	B
1. to attach	a. a situation or activity that could cause harm or danger
2. amount	b. to get information, especially from a computer
3.threat	c. the ability to do something
4.capability	d. an important new discovery or achievement that comes after a lot of hard work
5.to access	e. to connect one machine or piece of equipment to another
6.breakthrough	f. a quantity of something

4.4. Fill in the gaps with the words from 4.3.

1. Any contract made under ______________ of violence is not legal.

2. The database allows you ______________ the sales figures in a number of ways.

3.Scientists predict a major ______________ within the six months.

4. He _______________a color printer to his computer.

5. The University provides student with some ______________of resources and equipment.

6. These calculations are beyond ________________ of even the most advanced computers.

Grammar revision

4.5 Complete the following sentences using the correct forms of the verb in brackets.

1. Never before man………. (to possess) a tool comparable to a computer.

2. Access time ……………. (to be) simply the time it (to take) to read or write at any storage location.

3. Quantum Science Research group …………. .(to create) the highest density electronically addressable circuit.

4. Semiconductor memories ……………. (to be) extremely versatile and highly compatible with other electronic devices.

5. In the early 1970`s semiconductor memory cells that served the same purpose as cores …………. (to develop).

6. The core memory (to become) the main internal computer memory.

7. In the early1950`s the core memory (to replace) these early devices.

4.6 Translate the sentences paying attention to the –ing forms.

1. Associative memories can be used for compiling, job assignment and parallel processing.

2. The computer spends a goodly amount of its time doing exactly this: performing math operations and translating information from one form to another.

3. RAM, wherein each memory word is accessed for reading or writing via a specific address.

4. Programmable ROMs can be written using special equipment.

5. Some applications require random access memories containing permanently stored or rarely altered information.

6. A read-only memory can be obtained by replacing the storage capacitor in a one transistor memory cell with either an open circuit or a connection to ground, thus representing one or the other of the two binary states.

7. This memory is read and written by entirely electronic means, but before a write operation all the storage cells must be erased to the same initial state by exposing the packed chip to ultraviolet radiation.

8. Should an error occur for any reason during the running of the program, the program terminates by indicating what the error number is.

9. The data and address memory cells together record one word of cashed data and its corresponding address in main memory.

10. With the development of integrated circuits the first trend toward large-scale integrated circuits was the development of scratch pad memories using bipolar transistors.

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