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What is a Computer?
As with any problem-solving tool, you must understand the purposes for which computers can and cannot be used. What is the value of computers to you? Over the last decade, computers have become more powerful, easier to use, and less expensive. Thus, the effort required to apply computers in per- sonal and professional pursuits is much simpler than it was a decade ago. Like all revolutionary technologies, such as electricity, telephones, and automobiles, computers have been embraced by individuals and organizations rather quickly. Thus, a certain amount of computer literacy is necessary to keep pace with rapid technological advances. Computers, although important, are not an end in themselves. They are simply tools. They are really nothing more than unusually fast and precise machines with an extraordinary abil- ity to remember massive amount of detail. The computer’s speciality is data processing, performing specific operations on data: adding, substract- ing, multiplying, and dividing numbers and comparing them and remem- bering them. These fundamental operations, conducted in countless combi- nations at tremendous speed, are the essence of all the computer’s enormously varied applications. The computer can thus answer some highly complex ques- tions, although the human being must tell it what to do and how to do it. A computer is an electronic device that can accept input, process it accord- ing to a set of instructions, store the instructions and the results of process- ing, and produce results as its output. The facts, numbers, letters, and images input to a computer are called data. The instructions that carry out the processing are called computer programs or software. The output, intended for use and interpretation by people, is called information.
II. Answer the questions. III.Put the verbs in brackets in the correct tense form. IV. Test. 8. I … the newspaper for an hour when he came. V. Insert preposition where necessary. 1. A floor is the walking surface ….. a room or vehicle.
I.Translate the text into Ukraine. Computer in Business ness transactions of an organization. An order entry system accepts customer orders,checks the customer's credit status, and verifies that the ordered items are in stock. An accounts receivable system keeps track of money received or owed by customers. An accounts payable system keeps track of money owed to suppliers. In a business that produces goods, an inventory system keeps track of the goods on hand for sale or shipment to customers. A payroll system calculates employee pay checks and keeps track of withholding taxes, employee benefits, insurance, and dues. A general ledger system summarizes all of the basic transactions and is used to produce the information concerning the financial status of the business, such as the chart of accounts, income statements, and balance sheets. Office automation is technology that reduces the amount of human effort necessary to perform tasks in the office. Today’s businesses have a wide variety of office automation technology at their disposal. The list includes telephones, fax machines, and computers; word processing, spreadsheet, and database programs; and two-way cable and satellite communication systems. Each of these components is intended to automate a task or function that is presently performed manually. In the period from the 1960s to the present, offices were expanding so rapidly that it was assumed that more productive ways of producing and distributing paperwork were needed. Attention began to focus on automating the repetitive tasks of the clerical worker, and the result was the evolution of office automation. II. Answer the questions. 2. In what business spheres were computers first applied? 3. What does the term “office automation” mean? 4. What components of office automation are at the disposal of today’s businesses? 5. Are modern computers able to solve any problems at the level of human expert?
IV. Test. 8. He … for this company for twenty years.
6. Its energy density is also considered a big draw-back, as stone is hard to keep warm without using large amounts ____heating resources. 7. Dry – stone walls have been built for as long as humans have put one stone ____top of another 8. Eventually different forms ____mortar were used to hold the stones together, cement being the most commonplace now. 9. Circular huts were constructed ____loose granite rocks throughout the Neolithic and early Bronze Age, and the remains of an estimated 5,000 can still be seen today. 10. Slate is another stone type, commonly used as roofing material ___the UK and other parts of the world where it is found.
ВАРІАНТ № 26 I.Translate the text into Ukraine. Поиск по сайту: |
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