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Exercise 3



Some forms of the words in 1-5 below were used in the text 'What Is a Computer?' (Unit 1).

Fill in each blank with the appropriate form of the words.

1. operation, operate, operator, operational, operationally, operating

a. A computer can perform mathematical............................. very

quickly.

b. One of the first persons to note that the computer is
malfunctioning is the computer................................

c. The job of a computer operator is to............................. the

various machines in a computer installation.

d. The new machines in the computer installation are not yet

2. acceptance, accept, accepted, acceptable, acceptably

a. A computer is a device which............................. processes and

gives out information.

b. The students are still waiting for their.............................. into

the Computer Science program.

c. It is................................ to work without a template if the

flowcharts are not kept on file.

3. solution, solve, solvable, solver

a. It may take a lot of time to find a............................. to a

complex problem in programming.

b. A computer can............................... a problem faster than any

human being.

c. A computer has often been referred to as a problem

4. remark, remarkable, remarkably, remarked

a. Today's computers are.............................. faster than their

predecessors.

b. Systems analysts will often make............................. about

existing programs so as to help make the operations more efficient.

c. There have been............................... developments in the field

of computer science in the last decade.

5. communication, communicate, communicable, communicative,
communicably

a. A computer must be able to.............................. with the user.


b. Fibre optics is a new development in the field of

c. Some people working in computer installations aren't very
because they are shy.

Some forms of the words in 6-10 below were used in the text 'History of Computers' (Unit 2).

Fill in each blank with the appropriate form of the words.

6. calculation, calculate, calculating, calculated, calculator, calculable, calculus

a. A computer can do many kinds of............................ quickly

and accurately.

b.................................. is a branch of mathematics for making

............................... without the use of a...............................

machine.

c. A computer can............................... numbers much faster than

a manual.................................

d. Some problems aren't.............................. without logarithm

tables.

7. mechanic, mechanism, mechanize, mechanical, mechanically, mechanistic, mechanics, mechanization, mechanized

a. Today's computers are less.............................. than they used

to be.

b. The................................ devices in a computer system operate

more slowly than the electromagnetic devices.

c. The................................ of the brain is very complicated but

unlike a computer it isn't.................................

8. necessity, necessitate, necessary, necessarily, necessities, need, needed

a. Because it is expensive to set up a computer department

it is................................ to budget well for the basic

............................... of the installations.

b. A good programmer isn't............................... going to be a

good systems analyst.

c. Students' lack of understanding of the basic concepts in computer

science may.............................. the instructor to restructure

the course.



9. dependence, depend on, dependable, dependably, dependent,
dependency, depending

a. The length of time a programmer takes to make a program will

vary............................... on the complexity of the problem and

his ability and experience.

b. One can always............................... a computer to obtain

accurate answers because it's probably the most
............................... machine in the world today.

10. technology, technological, technologically, technologist

a. Computer............................... is a fast growing discipline.

b. The................................ improvements of computers are

reducing man's workload.




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