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Global Information - Cambridge Technical > LO1 > Flashcards

LO1 Flashcards

1
Q

Categories of holders of information

A
  • Individual citizens
  • Businesses
  • Educational institutions
  • Governments
  • Charities
  • Healthcare services
  • Community organisations
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2
Q

What information may a company want to hold on you?

A
  • Name
  • Username
  • Date of Birth
  • Email
  • Location
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3
Q

Different types of information

A

Time Sensitive information - Stocks, this information is only relavant for a small ammount of time.

Information that can be interpreted differently - A company that has started selling a new type of product will have different departments that will use the information in a number of different ways.

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4
Q

Digital Divide

A

The difference in access to digital resources in different areas in the world.

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5
Q

Developing Countries

A
  • Harder access to the internet, internet coverage may be lower.
  • Lower access to devices, devices may be out of price range due to lower income per head
  • Less industrial base
  • Less access to information
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6
Q

Developed Countries

A
  • High access to information
  • Good internet connection + coverage
  • More information dispersal
  • Higher access to newer devices
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7
Q

Urban Locations

A
  • Built up area or a city
  • High level of access to the Internet / Public Wi-Fi
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8
Q

Rural Locations

A
  • Countryside
  • Poorer internet access
  • Slower braoadband speeds
  • Access of information more difficult
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9
Q

Digital Divide Issue

A

Access to the internet is not spread evenly throughout the world and this inequality is the focus of the divide. It impacts a wide range of areas including education, tourism and democracy.

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10
Q

Types of information storage media

A

Magnetic

Optical

Paper

Solid State Media

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11
Q

Magnetic storage media

A

Data is written using the polarity of magnets. Often used for backups or archiving data.

+ Low cost alternative for storage

+ High Mutability (data can be changed / deleted or rewritten easily)

  • Can corrupt data if exposed to a strong magnet
    e. g Magnetic Hard Drives and Tapes

https://www.youtube.com/watch?v=78raYWFWv6s

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12
Q

Optial Storage Media

A

Written and read by a laser.

+ Low cost

+Portable

  • Can be damaged easily
  • Cannot be overwritten once data is written on the disk. (no mutability)

Examples:

CD’s

DVDS

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13
Q

Paper Storage Media

A

A traditonal form of storing data. This includes forms, handwritten notes, anything that is made of paper and stores information.

An example of this may be a student recieving their school timetable on paper as it is low cost and easily accessable.

+Can be low cost in small quanities

+ Easy to access and to read

+ Portable

  • Easily lost
  • Can be overwritten / Changed easily but it is obvious when data has been changed (this can be positive or negative, high mutability)
  • Costly in large volumes
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14
Q

Solid State Media

A

This is data that is stored using circuitry. This is the storage type often found in phones and many devices such as USB sticks.

+ Little heat produced as no moving parts

+ Durable as no moving parts (if you droppped your phone the data would be protected)

+ Fast (no moving parts)

+ Data can be deleted / overwritten easily (high mutability).

  • Expensive
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15
Q

Handheld Device

A

Portable devices that can be held in the hand or worn.

  • smart watches
  • eBook readers
  • fitness trackers
  • smart phones
  • tablet computers
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16
Q

Portable Devices

A

Devices that can be easily transported.

  • Laptops

+ Good proccessing power (can be the same as a desktop PC)

+ High versitility (can offer many services)

  • OK storage capacity (enough for one user)
17
Q

Fixed devices

A

Devices that are not designed to be portable.

  • Desktop computers
  • Smart TV’s

+ Good proccessing power (able to do many tasks at once)

+ High versitility (can offer many services)

  • OK storage capacity (often enough for multiple users)
18
Q

Shared Devices

A

This is a device that can be accessed by more than one person at a time.

  • Database server
  • Cloud storage devices

+ High proccessing power

+ Large storage capacity

-Not very versitile as normally only access to files is provided, no other service.

19
Q

Copper Cable

A

+Low cost

+Used alot

-Lower Bandwidth

20
Q

Optical fibre cable

A

Strands of glass or plasstic instead of copper cable.

+Fast connection (high bandwidth)

  • More expensive
  • Often has to be installed
21
Q

Intranet

A

A network which is not connected to the internet and is only avaiable within an organisation (e.g. a business or a school)

  • Private
  • Closed Access
  • Can be used to provide resources that are only needed by employees or should not be shared with general public. Such as sales information.
22
Q

Internet

A

Worldwide network of interconnected networks.

  • Public
  • Open access
  • A webpage on the internet provides customers with access to information that they need and so can be seen as supporting the marketing proccess.
23
Q

Extranet

A

A website that provides restricted access to resources for an autherised set of users from outside of the organisation.

  • Private
  • Shared Access
  • Can be used to provide access to a supplier for online ordering.
24
Q

Information formats

A
  • Webpages
  • Blogs
  • Podcasts
  • Streamed audio and video
  • Social media channels
  • Document stores
  • RSS feeds

Each format will have a different purpose and accessibility level.

25
Q

Advantages and Disadvantages of Information formats and internet access for an indvidual

A

Points you should consider and be able to dicuss:

  • Communication and information spread is increased
  • Social media etc increases likelyhood of staying in contact (with friends or businesses)
  • Identity theft is a big issue for people
  • Internet connection has an impact on peoples access to information
  • Cyber bullying has now impacted people and this means victims and bullies have access to eachother whether they are in person or not.
26
Q

Advantages and Disadvantages of Information formats and internet access for an organisation

A

Points you should consider and be able to dicuss:

  • Companies can share information with other departments or other companies that are not in the same location very easily using the internet.
  • Internet is low cost (it is more expensive to fly employees out to diffreent places to have meetings etc)
  • Advertising can be done on the internet
  • Stay in touch with customers easily through mailing list etc.
  • High quality websites need to be maintained.
  • Internet features may actually be costly
  • People can take action against organisations easily (if a company went against your beliefs or treated you badly.)
  • Information needs to be protected digtally too.

Global Information - Cambridge Technical (6 decks)

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