Hello again my friends in all over the world .The last lesson we talk about computer output units. Today we will talk about very important lesson in computer hardware called (CPU) this means central processing unit and this unit is the most important unit in computer hardware .This unit look like the brain of human .Let's start our lesson .
CPU
What is mean by CPU?
CPU: Means central processing unit.
Now you don't understand this Term. We will explain now don't worry my friend.
CPU Divided into three parts:
- ALU : Means Arithmetic logic Unit
- CU : Means Control unit
- Main Memory
Now we will explain each units and it's function in computer .
ALU : Means Arithmetic logic Unit
This unit performs arithmetic operations such as addition, subtraction, division, etc. and logical operations is any process that is where the comparison between the amounts or sort and arrange operations such as greater than or less than or equal.
CU: Means Control unit
Coordinate operations between the various units of the computer where it controls in both the input and output to and from various units in the Computer.
When you run computer software used is loaded and already stored on the disc hard to RAM. (RAM) and computer use this memory in Business, and store programs and data being processed and emptying the memory when the device is switched off or power outages to be downloaded programs when you restart the device.
Now we finish our lesson about CPU .I hope my friends understand this lesson .Next lesson we will explain the main memory and its types .Follow us my friends and share lessons as you can.
Engineer: Ashraf Mansour
Egypt
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Thanks to sharing such this effective post. This post is very helpful for computer learner's.
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