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XII. Word forms Choose the appropriate word to complete the sentences. Make sure to use the correct form.

  1. power, powerful, powerfully, powerless, powered

a. There are many ways of producing … .

b. Battery … calculators occupy less space than their predecessors.

c. A computer is a very … machine.

d. Computers are rendered … if there isn’t an emergency supply system in case of power failure.

  1. logic, logical, logically

a. To be a good programmer one must be … in one’s approach to a problem.

b. The … operations performed by the arithmetic-logical unit are under the control of the control unit.

c. A program must be … organized if successful results are to be obtained.

  1. computer, compute, computerized, computed, computation

a. The banking industry has become more and more … .

b. It is a fact that humans cannot … as fast as … .

c. The … requirements necessary to produce the payroll for a large company take a very long time.

4. provision, provide, provided, provider

a. A programmer must … the computer with the necessary data and instructions to execute the problem.

b. The … of a new and larger computer installation will result in a better service to customers.

c. A programmer can operate a computer … he has the proper training.

XII. Content review a. Match the following words in column a with the statements in column b.

A

B

1. storage cell

a. information or facts

2. inch

b. a small piece of equipment for storing

3. electric charge

c. an electric force

4. data

d. space for storing things

5. unit

6. semiconductor

e. a substance that allows electric current to pass through it

7. storage capacity

f. a measuring unit equal to 2.54 cm

g. a piece of machinery which is a part of a larger machine

b. Complete the following statements with appropriate words from the box. (Some can be used more than once.) Make sure you use the correct form, i.e. singular or plural.

silicon

information

storing

storage capacity

state

bit

development

integrated circuit

characteristic

memory

process

wire

power

lost

semiconductor memory

One of the most important … of a computer is its capability of … information in its … long enough to … it.

The memory of the first computers was made up of a kind of network of vertical and horizontal … . At each intersection where the … crossed there was a core. Each core represented a binary digit of either 0 or1, depending on its … . Early computers had a … of around 80,000 bits.

In the 1970s there was a further … in the computer field. This was the ability to place thousands of … onto a tiny piece (chip) of … . Each circuit is capable of … one bit. Because of the very small size of the chip such … are very popular, however when … is removed, … in the memory is … .