Thursday, 26 September 2013

9bCS Graphics/Sound cards CPU & Quiz

LO: To understand the role of the graphics card and sound card.
LO: To understand the role of the CPU


Starter:
What is a graphics card and what does it do?
What does it plug in to?
What is a sound card and what does it do?
What does it plug in to?

Graphics - 
What is a bitmap image?
Give example file types.
What is a pixel?


The resolution of an image is expressed as the number of pixels by row by the number 
of pixels per column.
An image with a resolution of 1024 by 798 pixels has 1024 x 798 pixels (817,152 pixels). 

The colour of each pixel is stored as a binary pattern in memory.
In a monochrome screen (two colours) just 1 bit will be needed for each pixel:
0 for white 
1 for black
If 2 bits are used for each pixel then four colours can be stored for example:
00 - White 
01 - Blue
10 - Red
11 - Black

Task - 
How many colours can be stored using a 3-bit code? 
Write out the combinations.
How many colours can be stored using an 8-bit code? 
How many colours can be stored using a 16-bit code? 

What is a vector image?
Give example file types.

Sound - 
What is an MP3 file?
What is a WAV file?
Are there any differences? If so what?



PERIOD 5
Starter:
What does CPU stand for?
What is the role of the CPU?
What is the quartz clock and what does it do?
What is the motherboard?

Quiz time - 
Complete the quiz you have been emailed.

Mini - Plenary - Answers to quiz.

Research the broadband news story.
What is the issue?
Who is the issue between?
Can it be resolved and if so how?


Wednesday, 25 September 2013

mrmknight.co.uk: File store crash

mrmknight.co.uk: File store crash: The   filestore  h as entered "read-only" mode. You will be able to read data from the network but not write back to it. We h...

Wednesday, 18 September 2013

9bCS RAM and ROM

LO: To understand the difference between RAM and ROM and be able to explain what they are.


Starter:
A new coding club - This will help with your coursework next year.
Take a look here.

Main:
You are going to create a poster about RAM and ROM.
You may use any software of your choosing but you must be able to justify your choice.

REMEMBER - This is a poster. It needs to be visually appealing as well a informative.
Poster size A4.

You need to include the following information:


  1. What do the letters stand for?
  2. What type of memory is ROM?
  3. What type of memory is RAM?
  4. How do they differ?
  5. What does the term volatile memory mean?
  6. What is the difference between static RAM and dynamic RAM?


Give some examples of everyday technological devices and the size of the RAM or ROM inside them.

Plenary:
RAM and ROM

Tuesday, 17 September 2013

9bCS 18/09/13 Storage Devices

LO: To understand that there are different ways of storing data and that the chosen method depends on a number of factors.

Starter:

Match the terms with the correct definition. Write the answers in a blog post.

Durability     Speed      Reliability      Capacity      Portability
Main:
Task 1 - 
Research some examples of internal and external storage devices.
List those examples.
Give an advantage and disadvantage for both internal and external storage devices.

Task 2 - 
What is a hard disk?

Briefly describe how do they work.

Task 3 - 
What is online storage?
Research some examples and explain why people may choose to use them instead of offline storage.

Plenary:
Why do we have internal and external storage?
What factors do the type of storage we use depend on?


Thursday, 12 September 2013

Yr 9 SPB

http://www1.edexcel.org.uk/DA203_1309/SPB/Index.htm

mrmknight.co.uk: Follow your House Blogs

mrmknight.co.uk: Follow your House Blogs: Blogger Reading List With the Blogger Reading List, you can read all of the latest posts from your favorite blogs right on your Blogger ...

Wednesday, 11 September 2013

MrMJSmith.co.uk: #9p1 Setting Up Your ICT Blog

MrMJSmith.co.uk: #9p1 Setting Up Your ICT Blog

9B Identifying Components

PERIOD 4

Starter:
Complete the tick sheet below. You need to download it then put a Y in the correct boxes. You may use the Internet to help you.

Component Tick Sheet
Save this in your Computer Science folder. (If you don't have one, no is the time to set it up)


Main:
Open the Identifying Components question sheet. You can work with a partner to answer these question in a new blog post

Use this resources to help you.

EXT:
Create a poster for younger students that identifies the key components of a computer, an example is below


Plenary:
Download the crossword here. How quick can you complete it?





PERIOD 5:

Starter: Name as many input/output devices as you can. Write them at the start of your blog post.

Main:
How do we make a cup of tea?

When told to, click here for the Gliffy Flowchart software.
Create a chart for making a cup of tea.

Take a print screen of your flow chart, insert it in to Fireworks.
Crop it.
Save the image as a JPG then insert it in to your blog.

EXT:
Can you create a flow chart for testing Sky plus. 
(Set up a programme to record on sky plus, the programme actually recording and then playing it.)

Plenary:
Can you name the symbols?
Why do we use arrows?
Why do we use flow charts?