UNIT 2 IT ALEVEL

What is data ?

its the fact that data raw facts and figures have little or no meaning, it makes no sense with no information

What is information ?

it is processed data with meaning, information provides context for data

What are the 5 different types of internet connection ?

copper cable, optical, satellite, microwave and mobile data networks

What are the 3 networks that use WWW software ?

internet, Intranet and Extract

What type of network is Internet ?

it is public and open access

What type fo network is Intranet ?

it is private and closed access

What place is an example of using intranet network ?

schools

What type of network is extract ?

it is private and part shared access

What place is an example of using extract network ?

online banking

What are two different information formats ?

static and dynamic webpages

What is a static webpage ?

a site that is casually written in plain HTML and what is in the code of the page is displayed to the user

What does HTML stand for ?

Hyper Text Markup Language

What is a dynamic webpage ?

a site that is written using a web server and scripting languages such as PHP or ASP

What is an example of a dynamic webpage ?

online banking

What are the 5 webpages that are written in HTML ?

blogs, podcasts, streamed audio and video, social media pages and document stores

What does RSS stand for ?

Risk Site Summary

What is the digital divide ?

people who have access to technology and those that don’t

What are some factors of the digital divide ?

technophobia, old age, poverty and lack of knowledge

How can the digital divide gap be closed ?

therapy, having assistance by sending someone over, libraries, education

What is a global divide ?

the divide between developed countries which have access to technology and developing countries who do not have wide access to technology

How can we bridge the gap ?

education, charity and cheaper devices

What are the categories of holders ?

individual citizens, businesses, educational institutions, governments, charities, healthcare services and community organisations

a type of information storage media is paper. What are some examples ?

forms, handwritten notes, maps and telephone directories

What are the advantages of paper storage ?

it needs no internet and is way cheaper

What are the disadvantages of paper storage ?

it can get easily damaged and also hard to keep secure

What are examples of optical media ?

CD and DVD

What are the advantages of optical media ?

it is portable and compatible with all devices

What are the disadvantages of optical media ?

it can get easily damaged and hard to keep secure

What are some examples of magnetic media ?

magnetic hard drives and magnetic tapes

What are some advantages of magnetic media ?

it stores large amounts of data and is also very cheap

What are some disadvantages of magnetic media ?

it has moving parts and isn’t portable

What are examples of solid state media ?

SSD hard drives, memory cards, SIM cards, USB pen drives

What are advantages of solid state media ?

there are no moving parts, it is portable and light while also having a large capacity

What are disadvantages of solid state media ?

it is very expensive and could easily get lost

What are the 4 examples of a handheld device ?

tablet, smart phone, wearable device like a Fitbit, eBook readers

What is are some advantages of a handheld device ?

it is portable with huge storage and provides the ability to multi-task

What are some disadvantages of a handheld devices ?

its quite expensive and requires internet along with updates

What are the two portable devices ?

Laptop and large tablet

What are some advantages of a portable device ?

it provides an all in one keyboard and mouse along with a big screen

What are some disadvantages of a portable device ?

it is expensive and requires internet

What are the 3 fixed devices examples ?

desktop computer, smart TV and games consoles

What are some advantages of a fixed device ?

it has a big screen with big fonts, easier to see

What are some disadvantages of a fixed device ?

its too bulky to carry

What are the 3 examples of a shared device ?

database server, data centre and cloud storage device

What are some advantages of a shared device ?

it provides shared information anywhere and at anytime

What are some disadvantages of a shared device ?

it is expensive but also can be easy to hack

How many different information styles are there ?

11

western/arabic is an example of what information style ?

character sets

What are some examples of a graphic information style ?

logo, photos and diagram

How can a video be classified as an information style ?

it can showcase instructions on how to carry out a software update

an animated pop-up book character is an example of what information style ?

animated graphics

How is audio classified as a information style ?

it can speak out instructions

Give examples of audio information style uses

profit, date and time

How can a braille text be considered as an informations style ?

it can write out a report printed in a braille printer

What company produces tactile images

NASA

True or false is an example of what information style ?

boolean text

What are the four different types of layouts used in informations styles ?

tables, spreadsheets, charts and graphs

What is the function of the internet ?

the internet of networks of computers connected together

What is the function of the WWW (World Wide Web ?

its made up of webpages which consists of videos, audios and images that travel on the internet

What does a WWW require in order to use ?

it requires a browser

What does the internet consist of ?

cables, computers, wifi and servers

What are some examples of sensitive information ?

medical records and bank

What are some examples of non-sensitive information ?

school address, phone numbers

What kind of classification is a home address ?

it is private

What organisation is classified as public personnel ?

the government

What is an example of a business classification ?

annual sales

What kind of classification would a student report be ?

confidential

What is an example of a classified classification ?

NHS patient database

is partially anonymised linked to source or not ?

linked to source

is completely anonymised linked to source or not ?

no link

What are the four characteristics for quality of information ?

valid, bias, reliable, comparable

What are some consequences of poor quality information on stakeholders ?

reputational damage

why is importance of good quality information to stakeholders needed ?

it improves strategic decision making and focus as well innovation and agility

What is an example of collecting storing and retrieving in information management ?

adding a new member to a cycling club membership database

What is an example of manipulating and processing in information management ?

producing a graph from a table of data

looking for patterns in annual rainfall in an area is an example of what information management ?

analysation

Whats an example of securing ?

storing patient records on an encrypted hard drive

posting a printed school report to a parent is an example of what information management ?

transmission

What is an example of impacts on individuals and organisations ?

additional costs associated with keeping sensitive information secure

a database table of patients is what type of data analysis tool ?

a data table

What is an example of visualisations of data ?

pie chart showing sales of five leading trainers

What is an example of trends and pattern identification ?

a line graph of last year’s sales per month

removing a customer who have not made a purchase in the last two years is an example of what data analysis tool ?

data cleaning

What is an example of geographic information system/location mapping ?

tracking movement of shipping containers around the world

What are the 5 categories of information used by individuals ?

Communication, education and training, entertainment, planning and financial

What is the first stage in data analysis ?

identifying the need - what information is needed? what do we want to find out ?

heartbeat, steps, sleeping diet being track by a fitbit is what step of data analysis ?

defining the scope

in terms of fitbit, what would be some potential sources to identify ? - where is the data coming from

running, walking, jogging, training, eating

Why is sourcing and selecting information part of data analysis ?

its to determine accuracy and reliability of sources, selecting the best one

another step would be selecting the most appropriate _______

tools

How could you process and analyse data ?

through a database

writing a report based on the results of the processing is what step in data analysis ?

recording and storing information

How could you as a final step, share results ?

sending a report to stakeholders

What is an open system ?

its a system where it allows you to communicate with other systems to exchange information

What is an advantage of an open system ?

its easier to share information

What is a disadvantage of open systems ?

it could be very easy to hack

What is a closed system ?

its a system where it does not allow communication with other systems

What is an advantage of closed systems ?

it is highly secured meaning no hackers

What is a disadvantage of closed systems ?

there is no easy access