1.1 Systems Architecture - The CPU, Slides of Computer science

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1.1 Systems Architecture

Welcome…..

• Overview of course
• Expectations
• Exercise books & folders
• Tracking sheets in front of book
• Glossary to be written at back of book
• Lesson 1: The CPU

System

architecture

The

CPU

1.1 Systems Architecture

The CPU

• Understand the main purpose of the CPU
• Explain the role of the CPU

1.1 Systems Architecture The CPU

1.1 Systems Architecture Central Processing Unit (CPU)

• The Central Processing Unit or CPU is arguably the most important component of a computer
• What does it do?
  • If it was one organ in the human body what would it be?

1.1 Systems Architecture Central Processing Unit (CPU)

• The purpose of the CPU is to process data.
• It is where all the searching, sorting, calculating and decision making takes place in the computer.
• The CPU will issue instructions to other devices depending on the results of the processing. Example: If the user wants to print a document, the CPU will instruct the printer about the task.

1.1 Systems Architecture Input…. Process….Output… Your Task:

1. Explain the role of an input & output device
2. Identify different examples of each Extension Task: Identify & explain the role of different input & output devices used in society today

1.1 Systems Architecture Exam Question