Computing Systems lesson 3

Computing Systems Lesson 3

Open Ended

Forbidden words

In a sentence, describe the word without using the forbidden words below it.

Describe this word - Graphics Processor

Without using these keywords:

Screen

Display

Colours

Resolution

GPU

​Graphics Processor

Example: “It’s the component that manages what is shown on your monitor.”​

Open Ended

Describe what the word processor means without using the following keywords:

Execute

Process

Program

Data

CPU

The Processor​

The  processor  is the component that controls programs from instructions given by Input and Output devices

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Open Ended

Describe what the word Memory means using the following Keywords:

Store

Program

Data

Volatile

RAM

​Main Memory

​The main  memory  is the component that stores the programs and data currently in use.

Main memory is volatile: its contents are lost when the power is off.

Open Ended

When we think about volatile memory, what does volatile mean?

Open Ended

Describe what the word Storage means using the following keywords:

Store

Program

Data

Persistent

Hard disk

​Storage

The  storage  (secondary memory) is the set of components that stores programs and data.

Storage is persistent: it retains its contents when the power is off.​

​Lesson Objectives

​In this lesson, you will:

●Explore how the processor, main memory, and storage interact to execute programs in real scenarios

●Define what an operating system is, and provide an overview of what it does

What is the operating system?​

​The operating system

​The operating system is a set of programs that controls the operation✻ of a computing system

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​Program execution

Memory management

File system organisation

Input and output

Communication

Graphical user interface - This is how your system looks; it’s the only aspect of the OS you really get to see.

However, it’s only the tip of the iceberg.

Open Ended

When idle what percentage was the processor load at?

​Task - The operating system

​What does the operating system do for a computer?

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​Visit this site to find out what an operating system does.

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​https://computer.howstuffworks.com/operating-system.htm

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Produce a presentation or a poster and describe what the operating system does and how it helps the computer.

​Remember this needs to be in your own words!