1 - understanding where information is held globally and how it is transfered Flashcards
(1.1) what is the digital divide?
The difference in having access to digital resources in different parts of the world.
(1.1) what is different about the human development index in developing countries?
Lower than developed countries.
(1.2) what is another term for optical media?
Music and film storage formats.
(1.2) How does magnetic media store data?
Magnetic patterns
(1.4) What is a network with interconnected networks?
Multiple computers forming a network that s one access point from the network to the internet.
(1.5) what is the internet?
It is a world wide network of interconnected networks.
(1.5) what is an intranet?
It is a network that is not connected to the internet.only available to people within an organisation.
E.g: school, shop
(1.5) what is an entrant?
It is a website that provides restricted access to resources.
(1.5) what is the characteristic of the internet?
Public
Open access
(1.5) what is the characteristic of the intranet?
Private
Closed access
(1.5) what is the characteristic of the extranet?
Private
Shared access
(1.6) what is a RSS feed?
A small amount of information revealed for a short period of time
E.g: flash sale
1.1
What are the 6 holders of Information?
- Individual citizens
- Businesses
- Educational Institutions
- Governments
- Charities
- Health care services
1.2
What are the 4 different information storage medias
- Magnetic media
- Paper
- Optical media
- Solid state media
1.2
What are the 5 different types of potential characteristics for storage media?
- Mutability
- Robustness
- Access to data
- Cost
- Storage capacity
1.2
What is mutability as a characteristic of storage media?
The ability to change the contents of a storage medium
1.2
What is robustness as a characteristic of storage media?
The damage caused if the storage medium has been negatively affected in some way
1.2
What is access to data as a characteristic of storage media?
How long it takes to find a specific piece of data within the storage media
1.2
What is cost as a characteristic of storage media?
How much The storage media is
1.2
What is storage capacity as a characteristic of storage media?
This is the amount of data that can be stored on each device
1.3
What are the four types of information storage devices?
- Handheld device
- Portable device
- Fixed device
- Shared device
1.3
What is a handheld device?
A small portable device
1.3
What is a portable device?
An easily transported device
1.3
What is a fixed device?
I device that is not portable or easily moved