Computer - CPU

Central Processing Unit (CPU) consists of the following features −

• CPU is considered as the brain of the computer.
• CPU performs all types of data processing operations.
• It stores data, intermediate results, and instructions (program).
• It controls the operation of all parts of the computer.

CPU itself has following three components.

• Memory or Storage Unit
• Control Unit
• ALU(Arithmetic Logic Unit)

Memory or Storage Unit

This unit can store instructions, data, and intermediate results. This unit supplies information to other units of the computer when needed. It is also known as internal storage unit or the main memory or the primary storage or Random Access Memory (RAM).

Its size affects speed, power, and capability. Primary memory and secondary memory are two types of memories in the computer. Functions of the memory unit are −

• It stores all the data and the instructions required for processing.
• It stores intermediate results of processing.
• It stores the final results of processing before these results are released to an output device.
• All inputs and outputs are transmitted through the main memory.

Control Unit

This unit controls the operations of all parts of the computer but does not carry out any actual data processing operations.

Functions of this unit are −

• It is responsible for controlling the transfer of data and instructions among other units of a computer.
• It manages and coordinates all the units of the computer.
• It obtains the instructions from the memory, interprets them, and directs the operation of the computer.
• It communicates with Input/Output devices for transfer of data or results from storage.
• It does not process or store data.

ALU (Arithmetic Logic Unit)

This unit consists of two subsections namely,

• Arithmetic Section
• Logic Section

Arithmetic Section

Function of arithmetic section is to perform arithmetic operations like addition, subtraction, multiplication, and division. All complex operations are done by making repetitive use of the above operations.

Logic Section

Function of logic section is to perform logic operations such as comparing, selecting, matching, and merging of data.

See more on Computer Tutorial

Computer Overview

Computer Fundamental Tutorial

Computer Application 

Computer - Generation

Computer - Type 
Computer - Components
Computer - CPU

Always check for more updates. . .

If you would like to donate to Ykamazingworld please click here. 

Check for more updates on Ykamazingworld Business List.

Click to view Director's Profile

To meet your needs with Ykamazingworld click on: http://metyourneeds.blogspot.com/ 

[Home Page] [Met your needs] [About Ykamazingworld Nigeria Enterprises] [Footwear and Leather Production] [Computer & Businesses] [Media and Communication Studios] [Films and Theatre Production Studios] [Vegetable Oil Dealer] [Home Planning & Building Engineer]  Farm Food Production Fashion, Wears and Printing Production Home-made and Cosmetics Ice-block Depot, Drinks, Provision and Business Ventures [Ykamazingworld Search] [Carrier and Opportunity] [Company Overview] [Our Objectives] [Our Vision] [Our Goals] [Our Products] [Our Services] [Networking & Communications] [Consultancy] [Sales of Footwear and Leather Suppliers] [Computer Industrial Training (I.C.T)] [Footwear Industrial Training (F.I.T)] [Payment Rules and Regulation] [Sponsors or Fund Raising] [Ykamazingworld Proposals(for Partnerships)] [Ykamazingworld Banks & Accounts] [Social Media] [Our Address] [Our Contacts] [Ykamazingworld Weblinks] [GOto Blog] [GOto WebChatrooms] [GOto Books and Publishing] [GOto Word of Wisdom] [GOto Answers.com] [Notice for all our Clients]

Together, we rise to the future. . .