Wednesday, 23 March 2016

Tuesday, 22 March 2016

Network Component Advantages and Disadvantages

Here is a good list of the advantages and disadvantages of three different types of communication network cables.
https://networking116.wikispaces.com/Wire+Advantages+and+Disadvantages

Wifi networks
http://digitalwalt.com/wi-fi-advantages-disadvantages/

Network Devices:
http://www.teach-ict.com/gcse_computing/ocr/211_hardware_software/types_hw/miniweb/pg6.htm


Chapter 2 Questions

        

Chapter 2 QUESTIONS        Graphic Solutions

 

            1.      What are the four stages of the Problem Solving Methodology?
The four stages of problem solving is Analysis, Design, Development and Evaluation.


2.      What is a Macro?
 A macro is an automated way of mimicing the input of data.

 
3.      What is validation.
Validation is used to make sure that the input is accurate or reliable for use.

 
4.      Give an example of validation.
An example for validation is checking that the data collected was sourced legitimantly and unbiased.

 
5.      Give an example of manual validation.
An example of 'manual validation' is by personally going around clarifyng sources/research.

 
6.      How can you assess how CLEAR a graphical solution is?
The graphic solution can be assessed on clearness is by getting outside sources/people to view it and give their opinion.

 
7.      How can you assess the USEABLITY of a graphical solution?
To assess the useability of the graphic solution, the data must be compared and its relevance to see if it meets the hypothosis and purpose of the infographic.

 
8.      Name three facts about colour use in graphical solutions.
Three facts on colour in graphic solutions is to have a minimal amount of colour pallete, the colours chosen to be relevant (green for nature,) and that it is apealling to the eye. 

 
9.      What is the purpose of a graphical solution?
Grahical soloutions are used to represent the ordered data in a way where i can be simplified  and easy to understand.

 
10.   How do you ensure the graphical solution meets its purpose?
To ensure the graphic meets it's purpose, it has to be compared with 'Evaluation Criteria.'
 
 
12.   What is the difference between FORMATS and CONVENTIONS?
Format is generally used for appearence, whereas Conventions are used as a baseline or 'rule' to follow.

 
13.   What is the purpose of white space?
White space is generally used as a contrast against the rest of the space.

 
14.   Name 4 types of testing.
Four types of testing are completeness, reliability presentation functionality.
 

15.   Draw an IPO chart for a BMI calculator.

 


 

Monday, 21 March 2016

mr Clarkson - my hero

Here is the YouTube Link
https://www.youtube.com/user/mwclarkson/videos

Networks



A network is made of Communication Devices connected by channels in different locations


Communication Devices
Channels
PC/Desktop                Servers
Network Card              SATNAV(GPS)
Modem                         Router
Printer                           Laptop
TV                                 Wifi Access Point
Tablet                           
Mobile Phone
Radio waves
Ethernet cable
HDMI cable
Infra-red
Microwaves

Twisted copper wires (Telephone)
Optical Fibre cables


LAN: Local Area Network- is limited to a geographical area, for example, our school.



 




Wide Area Network- reaches over a large geographical area



Chapter One Questions 
(Answers)

Q1:  Define “Open Ended Question”.
An open ended question is a question with no definite answer, one that does not need a definite choice.
Q2: Give an example of an “Open Ended Question”
 An example of an "Open Ended Question' could be "Will you please do me a favor"
Q3: Why are “Open Ended Questions” helpful?
"Open Ended Questions" can be helpful when surveying small groups or populations.
Q4: Why would you avoid using “Open Ended Questions?
You would avoid using "Open Ended Questions" because although the information is better, the time it takes to sort out the information can be stressful and take long periods of time.
Q5: What is “Vested Interest”?
Vested interest is a personal reason for somebody to undertake a situation.
Q6: Give an example of “Vested Interest”.
 An example of vested interest would be "A company takes into account of a new program that is being held so the company gets involved. 
Q7: What is a “Participation Information Statement”?
“Participation Information Statement” is statement outlining what the participant will do or what will happen in an investigation.
Q8: Why is a “Participation Information Statement”? important?
“Participation Information Statement” is important because it outlines what the participant will do and how they will be involved.
Q9: What is a stakeholder?
A stakeholder is anyone that can be affected or can affect an organisation.
Q10:  Give an example of a stakeholder in an investigation.
An example of a stakeholder would be the source of the data or person giving the data.
Q11:  What is “Decryption”?
Decryption is the process of taking encoded or encrypted text or other data and converting it back into text that you or the computer can read and understand.
Q12: What is a “Differential Backup”?
“Differential Backup” is a backup of all the changes made since the initial backup
Q13: When collecting data name 3 things that affect Data Quality.
Three things that can affect data quality are the 
  • History (age of data)
  • Bias (valedictory of the data)
  •  Stored ( how its kept safe)

Q14:  What can be used to ensure readers your published data is good quality data.
A link or credit can be used to insure that the data quality is good.
Q15: Name the law and the year it was enacted that ensures investigations secure and protect their data.

The Data Protection Act was enacted in 1988 ensuring that all data collected must be kept safe and if anything that would happen to it.


Sunday, 20 March 2016

Protection Online

Visit this link for Edward Snowden's suggestions for keeping safe online:

Quiz Questions to be Answered and Published by Jackson & John

Chapter ONE Quiz
Write your answers in full sentences. – to develop the skill of writing in full sentences.
QUESTIONS
1.      Define “Open Ended Question”.
2.      Give an example of an “Open Ended Question”
3.      Why are “Open Ended Questions” helpful?
4.      Why would you avoid using “Open Ended Questions?
5.      What is “Vested Interest”?
6.      Give an example of “Vested Interest”.
7.      What is a “Participation Information Statement”?
8.      Why is a “Participation Information Statement”? important?
9.       What is a stakeholder?
10.   Give an example of a stakeholder in an investigation.
11.   What is “Decryption”?
12.   What is a “Differential Backup”?
13.   When collecting data name 3 things that affect Data Quality.
14.   What can be used to ensure readers your published data is good quality data.
15.   Name the law and the year it was enacted that ensures investigations secure and protect their data.



Chapter TWO Quiz
Write your answers in full sentences.

QUESTIONS

1.      What are the four stages of the Problem Solving Methodology?
2.      What is a Macro?
3.      What is validation.
4.      Give an example of validation.
5.      Give an example of manual validation.
6.      How can you assess how CLEAR a graphical solution is?
7.      How can you assess the USEABLITY of a graphical solution?
8.      Name three facts about colour use in graphical solutions.
9.      What is the purpose of a graphical solution?
10.   How do you ensure the graphical solution meets its purpose?
11.   Give an example of CONSISTENCY in a graphical solution.
12.   What is the difference between FORMATS and CONVENTIONS?
13.   What is the purpose of white space?
14.   Name 4 types of testing.

15.   Draw an IPO chart for a BMI calculator.

Tuesday, 15 March 2016

Networks

Here are some useful videos on Network devices and communication channels.

This video identifies network devices Switches and Routers: https://www.youtube.com/watch?v=EWTJKcg7Pj8

How satellites allow continuous network connections: http://www.space.com/24381-how-non-stop-communication-with-satellites-is-achieved-by-nasa-video.html

The two types of Networks: https://www.youtube.com/watch?v=AWFLGFV4R4c

Wednesday, 9 March 2016

Incremental VS Differencial Backup

See this link?

Yes... now click it!

The Difference between an Infographic and a Data Visualisation

There is a distinction between Infographics and Data Visualisations.


Infographic Examples here. Or just Google "infographic" and select "Images" and you will see hundreds of examples.

Watch this video about Hans Rosling here on the examples of Data Visualisation.

And here is the software you can download.


Tuesday, 8 March 2016

News

Ray Tomlinson, the inventor of email and the man who picked the @ symbol for email addresses, has died aged 74.

Th@'s sad.

Monday, 7 March 2016

Week 6 - All About Assessment!

This week your first SAC is due on Friday!

Practice Quiz Wednesday 9th March.

You have a Topic Test (SAC) on the 18th March.

Hope you are reading your text book.