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- Unit 2. Computer essentials
Содержание
- 2. 1. Computer hardware A. Discuss these questions. Have you got a computer at home or work?
- 3. 1. Computer hardware B. Label the elements of this computer system.
- 4. 1. Computer hardware C. Read these advertising slogans and say which computer elements each pair refers
- 5. 1. Computer hardware D. Find words in the slogans with the following meanings. to press the
- 6. 2. What is a computer? A. Read the text and then explain Fig. 1 in your
- 7. 2. What is a computer? A computer system consists of two parts: hardware and software. Hardware
- 8. 2. What is a computer? Storage devices (hard drives, DVD drives or flash drives) provide a
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Слайд 21. Computer hardware
A. Discuss these questions.
Have you got a computer at
1. Computer hardware
A. Discuss these questions.
Have you got a computer at

How often do you use it? What do you use it for?
What are the main components and features of your computer system?
Слайд 31. Computer hardware
B. Label the elements of this computer system.
1. Computer hardware
B. Label the elements of this computer system.

Слайд 41. Computer hardware
C. Read these advertising slogans and say which computer elements
1. Computer hardware
C. Read these advertising slogans and say which computer elements

Слайд 51. Computer hardware
D. Find words in the slogans with the following meanings.
to
1. Computer hardware
D. Find words in the slogans with the following meanings.
to

clear; easy to see ____
to make an extra copy of something ____
selection ____
shows ____
Слайд 62. What is a computer?
A. Read the text and then explain Fig.
2. What is a computer?
A. Read the text and then explain Fig.

What is a computer?
A computer is an electronic machine which can accept data in a certain form, process the data, and give the results of the processing in a specified format as information.
First, data is fed into the computer’s memory. Then, when the program is run, the computer performs a set of instructions and processes the data. Finally, we can see the results (the output) on the screen or in printed form (see Fig. 1 below).
Слайд 72. What is a computer?
A computer system consists of two parts: hardware
2. What is a computer?
A computer system consists of two parts: hardware

Perhaps the most influential component is the central processing unit. Its function is to execute program instructions and coordinate the activities of all the other units. In a way, it is the “brain” of the computer. The main memory (a collection of RAM chips) holds the instructions and data which are being processed by the CPU. Peripherals are the physical units attached to the computer. They include storage devices and input/output devices.
Слайд 82. What is a computer?
Storage devices (hard drives, DVD drives or flash
2. What is a computer?
Storage devices (hard drives, DVD drives or flash

On the rear panel of the computer there are several ports into which we can plug a wide range of peripherals – a modem, a digital camera, a scanner, etc. They allow communication between the computer and the devices. Modern desktop PCs have USB ports and memory card readers on the front panel.