Central Processing Unit and Cooling Systems May 2016 | Page 5

 CPU and its main function

3.1

Central processing unit
3.1.1

Lead-in Activity:
In pairs, discuss this question.
1. What is on the picture in a video?
2. What is a central processing unit and what is its main function?
3. Where do I find a CPU in my computer?

3.1.2

Read the text and complete it with words from the box.
common

screen

brain

multiple

computer system

capable

The central processing unit (CPU) is considered the 1) ____________ of the computer. It is sometimes referred to as the processor.
Most calculations take place in the CPU. In terms of computing power, the CPU is the most important element of a 2) ______________.
It runs the operating system and applications, constantly receiving input from the user or active software programs. It processes the
data and produces output, which may stored by an application or displayed on the 3) ______________.