Many IBM - based PCs are shipped with OS/2 preinstalled

UNI X is a multi-user operating system that allows multiple users to access the system. Traditionally, UNIX was run on a larger mini computers to which users ac­ cessed the systems using terminals and not PC's. UNIX allowed each user to simultaneously run the programs they desired. Unlike NT and OS/2, UNIX is not DOS compatible. Most users would not purchase UNIX for their own use.

Windows 95 & 98 are the most popular user-oriented operating systems with a friendly interface and multitasking capabilities. The usage of Windows 95 and its enhanced version Windows 98 is so simple that even little kids learn how to use it very quickly. Windows 95 and 98 are DOS compatible, so all programs written for

Английский язык

DOS may work under the new operating system. Win­ dows 95 requires 486 with 16 megabytes of RAM or Pentium 75 - 90 with 40 megabytes of free hard disk space.

Workingvocabulary:

Complex — сложный

To consume — потреблять consumer — потребитель to realize —осознать smart — умный, умно version — версия

Decade — декада, десят

To enhance — расширять, увеличивать top — верх, вершина

On top of DOS — «сверху», на основе ДОС compatible — совместимый

With a click of a mouse — одним нажатием кнопки мыши

Access — доступ

To allow — позволять simultaneously — одновременно to desire — желать

Generalunderstanding (общее понимание текста):

What problems faced programmers in the 1940's and 1950's?

2. Why first programs were «complex* and «time-consuming*?

What are the basic functions of operating system?

What does DOS abbreviation means?

Урок 16

5. What company developed the first version of DOS operating system? For what purpose? Was the new oper­ ational system successful?

What is the difference between the PC-DOS and MS-DOS?

What does the abbreviation NT stand for? Is it DOS-compatible? What are the basic requirements for NT?

Who is the developer of OS/2?

9. What makes UNIX so different from the other op­ erational systems?

What are the remarkable features of Windows 95?

Задание 16.8< Заполните пропуски:

1. Like NT,... is DOS compatible and provides a graph­ ical user interface that lets you run programs with a click of a mouse.

2.... is the most commonly used PC operating system 3.... is a multi-user operating system that allows mul­

Tiple users to access the system

Is an operating system developed by Microsoft, an enhanced version of the popular Microsoft Windows programs.

The usage of... is so simple that even little kids learn how to use it very quickly.

A) UNIX

B) DOS

C) NT

D) OS/2

E) Windows 95

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Английский язык

Задание 16.9. Какие из приведенных ниже утвер­ждений верны/неверны? Аргументируйте свой от­ вет, опираясь на текст.

When computers were first introduced in 40's and 50's programmers had to write programs to instruct CD-ROMs, laser printers and scanners.

The operational system controls and manages the use of the hardware and the memory usage.

3. There are no commands available in operating sys­ tems, only word processors.

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