Essentials Computers today Learning objectives Talk about computers

Essentials Computers today

Learning objectives Talk about computers in everyday life Understand the components and basic functions of a computer system Identify different types of computers Understand the functions of the CPU and the main memory Understand the units of memory (bits, bytes, KB, MB, GB) Use synonyms, acronyms and abbreviations 2

Computer applications Help students perform mathematical operations, access the Internet, language learning … Race organizers and journalists rely on computers to provide them with the current positions of riders and teams Computers store information about the amount of money held by each client Airline pilots use computers to help them control the plane On the ground airlines are connected to travel agencies by computer In airport control towers, computers are used to manage radar systems and air traffic 3

What can computers do? Design shops and offices Produce magazines Prepare bills Make a flight reservation or bank transaction Calculators, the car‘s electronic ignition, the timer in the microwave, programmer inside the TV set It is a calculating machine, an electronic filing cabinet, a magical typewriter, personal communicator You can use your PC to relax with computer games 4

Exercise • Formula 1 cars • Entertainment • Factories and industrial processes • Hospitals and medical research Task: Choose one of the areas and discuss what computers can do in this area. 5

Vocabulary Formula 1: racing car, car body, design, mechanical parts, electronic components, engine speed Entertainment: game music, animated image, multimedia, encyclopedia Factories: machinery, robot, production line, computer-aided manufacturing software Hospitals: patients, medical personnel, database program, records, scanner, diagnose, disease, robot, surgery 6

Phrases Computers are used to… A PC can also be used for Computers can help … make. . control … store … keep … provide … manage … give … perform … measure … test … provide access to … 7

Exercise Write a short paragraph summarizing your discussion. Then ask one person from your group to give a summary of the group‘s ideas to the rest of the class. Example: In the office computers are used to write letters and e-mails, and keep records of clients, suppliers and employees 8