Text 1. DATA PROCESSING AND DATA PROCESSING SYSTEMS

Date: 2015-10-07; view: 1089.

Прочтите текст и скажите, как вы понимаете термины «обработка информации» и «иерархия запоминания информации».

The necessary data are processed by a computer to become useful information. In fact this is the definition of data processing. Data are a collection of facts — unorganized but able to be-organized into useful information. Processing is a series of actions 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 series of actions or operations that converts data into useful in-formation.

We use the term data processing system to include the resources that are used to accomplish the processing of data. There are four types of resources: people, materials, facilities, and equipment. People provide input to computers, operate them, and use their output. Materials, such as boxes of paper and printer ribbons, 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