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2. Прочтите текст и скажите, как вы понимаете термины «обработка информации» и «иерархия запоминания ин-формации».
Text 1. DATA PROCESSING AND DATA PROCESSING SYSTEMS
The necessary data are processed by a computer to become useful information. In fact this is the definition of data process¬ing. Data are a collection of facts — unorganized but able to be-organized into useful information. Processing is a series of ac¬tions or operations that convert inputs into outputs. When we*1 speak of data processing, the input is data, and the output is useful information. So, we can define data processing as a se¬ries of actions or operations that converts data into useful in¬formation.
We use the term data processing system to include the resourc¬es that are used to accomplish the processing of data. There are four types of resources: people, materials, facilities, and equip¬ment. People provide input to computers, operate them, and use their output. Materials, such as boxes of paper and printer rib¬bons, are consumed in great quantity. Facilities are required to house the computer equipment, people and materials.

The need for converting facts into useful information is not a phenomenon of modern life. Throughout history, and even prehistory, people have found it necessary to sort data into forms that were easier to understand. For example, the ancient Egyp¬tians recorded the ebb and flow of the Nile River and used this information to predict yearly crop yields.*Today computers con¬vert data about land and water into recommendations to farm¬ers on crop planting. Mechanical aids to computation were de¬veloped and improved upon in Europe, Asia, and America throughout the seventeenth, eighteenth, and nineteenth centu¬ries. Modern computers are marvels of an electronics technol¬ogy that continues to produce smaller, cheaper, and more pow¬erful components.
Basic data processing operations
Five basic operations are characteristic of all data process-ing systems: inputting, storing, processing, outputting, and con¬trolling. They are defined as follows.
Inputting is the process of entering data, which are collected facts, into a data processing system. Storing is saving data or information so that they are available for initial or for additional processing. Processing represents performing arithmetic or log¬ical operations on data in order to convert them into useful in¬formation. Outputting is the process of producing useful infor¬mation, such as a printed report or visual display.

Английский язык. Основы компьютерной грамотности 46
Controlling is directing the manner and sequence in which all of the above operations are performed.
Data storage hierarchy
It is known that data, once entered, are organized and stored in successively more comprehensive groupings. Generally, these groupings are called a data storage hierarchy. The general group¬ings of any data storage hierarchy are as follows.
1) Characters, which are all written language symbols: let¬ters, numbers, and special symbols. 2) Data elements, which are meaningful collections of related characters. Data elements are also called data items or fields. 3) Records, which are collections of related data elements. 4) Files, which are collections of re¬lated records. A set of related files is called a data base or a data bank.