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Storage hardware

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The purpose of storage hardware is to store computer instructions and data in a form that is relatively permanent and retrieve when needed for processing. Storage hardware serves the same basic functions as do office fil­ing systems except that it stores data as electromagnetic signals. The most common ways of storing data are Hard disk, floppy disk and CD-ROM.

Hard disk is a rigid disk coated with magnetic mate­rial, for storing programs and relatively large amounts of data.

Floppy disk (diskette) - thin, usually flexible plas­tic disk coated with magnetic material, for storing com­puter data and programs. There are two formats for floppy disks: 5.25" and 3.5". 5.25" is not used in mod­ern computer systems because of it relatively large size flexibility and small capacity. 3.5" disks are formatted 1.4 megabytes and are widely used.

CD-ROM (compact disc read only memory) is a com­pact disc on which a large amount of digitized read-only data can be stored. CD-ROMs are very popular now be­cause of the growing speed which CD-ROM drives can provide nowadays. Output hardware

The purpose of output hardware is to provide the user with the means to view information produced by the com­puter system. Information is output in either hardcopy or softcopy form. Hardcopy output can be held in your hand, such as paper with text (word or numbers) or graphics printed on it. Softcopy output is displayed on a monitor.

Monitor is a component with a display screen for view­ing computer data, television programs, etc.

Printer is a computer output device that produces a paper copy of data or graphics.

Modem is an example of communication hardware — an electronic device that makes possible the transmission of data to or from computer via telephone or other communication lines.

Hardware comes in many configurations, depending on what the computer system is designed to do. Hard­ware can fill several floors of a large office building or can fit on your lap.

Vocabulary:


amount — количество

capacity — вместительность

circuitry — эл. цепи

CPU, microprocessor — микропроцессор

hard disk — жесткий диск, «винчестер»

input hardware — устройства ввода данных

keyboard — клавиатура

lap — колени

modem — модем

mouse — устройство для перемещения объектов на экране, «мышь»

output hardware — выходные устройства отображе­ния информации

printer — принтер

processing hardware — устройства обработки данных

RAM — ОЗУ (оперативное запоминающее устройство)

ROM — ПЗУ (постоянное запоминающее устройство)

CD-ROM — накопитель на компакт-дисках (CD)

scanner — сканер

sensitive — чувствительный

sophisticated — сложный

storage hardware — устройства хранения данных

temporarily — временно

temporary — временный

the purpose — цель

tier — ярус

to affect — влиять

to connect — соединять

to convert — преобразовывать

to direct — управлять

to execute — выполнять

to interpret — переводить

to provide — обеспечивать

to reach — достигать

to retrieve — извлекать

to roll — катать, перекатывать

volatile — летучий, нестойкий, временный


General understanding:

1. What is the Webster's dictionary definition of the hardware?

2. What groups of hardware could be defined?

3. What is input hardware? What are the examples of input hardware?

4. What is mouse designed for? What is a light pen?

5. What is processing hardware? What are the basic types of memory used in a PC?

6. Can a PC-user change the ROM? Who records the information in ROM?

7. What is storage hardware? What is CD-ROM used for? Can a user record his or her data on a CD? What kind of storage hardware can contain more information: CD-ROM, RAM or ROM?

8. What is modem used for? Can PC-user communi­cate with other people without a modem?


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