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OCR Cambridge Technicals IT Level 3 Unit 2: Global Information > LO1- Understand where information is held globally and how it is transmitted & LO2 > Flashcards

LO1- Understand where information is held globally and how it is transmitted & LO2 Flashcards

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1
Q

What type of information do Individual Citizens hold?

A

Personal information (address) Hold information on others e.g. Phone number, email etc.

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2
Q

What type of information do Business Organisations hold?

A

Employee info (personal info, pay, absence etc.) Competitor info (products, sales etc.)

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3
Q

What type of information do Educational institutions hold?

A

Personal info of staff and students, time in education (e.g. 5 years), Assessment grades, attendance.

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4
Q

What type of information do Governments hold?

A

Earnings and tax records, Electoral roll (address, family members), also information on individuals that the individual may NOT be aware i.e. information through investigations e.g. investigation into tax affairs.

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5
Q

What type of information do Healthcare services hold?

A

Personal information, medical history, Doctor/GP, Surgery Contact details.

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6
Q

What type of information do Community organisations hold?

A

Personal information, Financial information (gym subscriptions).

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7
Q

What type of information do Charities hold?

A

Personal information, Financial records.

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8
Q

What is the digital divide?

A

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

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9
Q

Give examples of the digital divide.

A

-Disability /illness
-Elderly People
-people living in remote areas
-Affordability
-lack of knowledge and skills
-Cultural factors - e.g. Religious Beliefs

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10
Q

Give a comparison of technologies available and access issues across the global divide.

A

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

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11
Q

What are the Types of Information Storage Media?

A

-Paper
-Optical Media
-Magnetic Media
-Solid state

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12
Q

Give an explanation on PAPER as a Type of Information Storage Media

A

Paper is traditional form of information storage and includes forms, handwritten notes, maps and telephone, directories. However it is easily damaged when handled, costs a lot to transport and hard to keep secure.

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13
Q

Give an explanation on OPTICAL MEDIA as a Type of Information Storage Media

A

Optical media is better know as music and film storage formats, CD and DVD’s are methods of digital information and data storage that can hold information of many types. One of the key uses is for software distribution. These are called optical media because they are written and read by a laser.

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14
Q

Give an explanation on MAGNETIC MEDIA as a Type of Information Storage Media

A

Magnetic Media uses magnetic patters to store data, the most common example is the magnetic hard drives in most computers. Data can be stored on external hard drives. Data can also be stored tapes. This media is most frequently used for backup or archiving.

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15
Q

Give an explanation on SOLID STATE MEDIA as a Type of Information Storage Media

A

Solid State Media stores data and information in circuitry rather than a magnetised disc or tape. An example is SSD card, These are increasingly popular because of their speed SSD cards can also be used within computers in place of hard drives, where they have the advantage of nor requiring air cooling, as their lack of moving parts means that they do not over heat.

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16
Q

What are the characteristics of PAPER?

A

-Cheap
-Easy to use
-Can be lost
-You can file the information
-You can make copies

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17
Q

What are the characteristics of OPTICAL MEDIA?

A

-User a laser to read
-Usually read only format (can’t be edited)
-Different forms (e.g. CD, DVD, Blu-Ray)
-Cheap
-Can be scratched and damaged

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18
Q

What are the characteristics of MAGNETIC MEDIA?

A

-Uses moving magnetic disk
-Can be internal or external
-Easily damaged
-Large storage capacity

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19
Q

What are the characteristics of SOLID STATE MEDIA?

A

-Has no moving parts
-Not easily damaged
-Robust
-Portable
-Comes in different storage capacities
-Mutability - can change the content

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20
Q

What are the types of Internet Connections?

A

-Dial-up
-Broadband
-Fixed broadband
-Fixed Wireless

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21
Q

What are the characteristics of DIAL-UP?

A

The use of a telephone line to access a network remotely e.g. connect to the internet using an ISP.

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22
Q

What are the characteristics of BROADBAND?

A

Telecommunication in which a wide band of frequencies is available to transmit information. Because a wide band of frequencies is available, information can be sent on many different frequencies, allowing more information to be transmitted in a given amount of time.

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23
Q

What are the characteristics of FIXED BROADBAND?

A

High-speed data transmission to homes and businesses using technologies. The term excludes the cellular data market, which is a mobile market.

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24
Q

What are the characteristics of FIXED WIRELESS?

A

Fixed wireless is the operation of wireless devices or systems used to connect two fixed locations (e.g., building to building or tower to building). Usually, fixed wireless is part of a wireless LAN infrastructure.

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25
What are the different types of Information devices?
-Handheld -Portable -Fixed -Shared
26
What are the Advantages and Disadvantages of HANDHELD?
Advantages: -Portable -Light -Multifunctional Disadvantages: -Battery life -Less processing power than desktop
27
What are the Advantages and Disadvantages of PORTABLE?
Advantages: -It is portable -It is light Disadvantages: -Usually smaller storage than fixed devices -less processing power than desktop
28
What are the Advantages and Disadvantages of FIXED?
Advantages: -Has powerful processors -Large hard drive capacity -Lots of USB ports to connect devices Disadvantages: -Can not transport -You need to attach peripherals (e.g. mouse)
29
What are the Advantages and Disadvantages of SHARED?
Advantages: -Shared globally -You can give permission access -It is stored virtually - not using own storage Disadvantages: -It can be hacked -Without internet access its useless -You may need a subscription for more features
30
What are the different types of ACCESS?
-Satellite -Wireless hotspots -Mobile Phones
31
What the characteristics of SATELLITE?
Satellite Internet is the ability to transmit and receive data from a relatively small satellite dish on Earth and communicate with an orbiting geostationary satellite 22,300 miles above Earth's Equator.
32
What the characteristics of WIRELESS HOTSPOT?
A hotspot is a physical location where people may obtain Internet access, typically using Wi-Fi technology, via a wireless local area network (WLAN) using a router connected to an internet service provider.
33
What the characteristics of MOBILE PHONES?
The mobile web refers to the use of browser-based Internet services from handheld mobile devices such as smart phones or feature phones, through a mobile or other wireless network. (Using 3G, 4G)
34
What are the different types of Information Formats?
-Web Pages -Blogs -Podcasts -Streamed audio & video -Social media channels -Document stories -RSS Feeds
35
What is the purpose of WEB PAGES?
To advertise product/service e.g. shop or to deliver information.
36
What is the purpose of BLOGS?
To deliver information (i.e. personal biography). it works like a online diary e.g. Twitter is a microblog where a business/individual can deliver information on topics e.g. fashion.
37
What is the purpose of PODCASTS
Audio Sound or sound a video file. It comes in chunks or episodes and can be downloaded online e.g. interview on Radio 1.
38
What is the purpose of STREAMED AUDIO & VIDEO
Used to show audio and video over the web. It is a modern approach e.g. Spotify Video gives a visual approach in conjunction with sound.
39
What is the purpose of SOCIAL MEDIA CHANNELS
Used for communication and discussions globally. People can interact and share text, video and audio e.g. Facebook, Twitter Business use to attract sales.
40
What is the purpose of DOCUMENT STORES?
Used for storing and sharing files over the Internet globally e.g. Drop Box They can be automatically synchronised with device e.g. iCloud.
41
What is the purpose of RSS FEEDS?
Gives a small amount of information 'real-time'. E.g. news feed or announcements.
42
How are WEB PAGES accessible?
Internet connection. Mobile devices which have mobile web versions of site. some require login/account for access.
43
How are BLOGS accessible?
Internet connection. (either Wi-Fi or 3G/4G). They can be accessed using web-site or apps. Used on a PC, laptop, tablet or mobile device.
44
How are PODCASTS accessible?
Accessible online through a website Usually need a sound/video player to play file e.eg. QuickTime It can be kept, paused, skipped and played again.
45
How are STREAMED AUDIO & VIDEO accessible?
-Used on the web -Also used on real-time e.g. BBC iPlayer -Requires broadband -Can be used through apps e.g. YouTube
46
How are SOCIAL MEDIA CHANNELS accessible?
-Requires the used of internet connection -Can be used on mobile devices and tablets through web and apps -Requires an account to link to profile
47
How are DOCUMENT STORES accessible?
-Requires the use of the internet -Account needs creating but may have limited access than a paid subscription
48
How are RSS FEEDS accessible?
-Embedded into web-pages or applications.
49
What are the advantages and disadvantages of WEB PAGES?
Advantages: -Can be static or dynamic -Very popular and most business have one -Can be used for a range of purposes e.g. online purchasing -Can embed video and images Disadvantages: -Costs money to host -Not everyone is technologically minded -They may have a poor design/layout -Internet connection is required
50
What are the advantages and disadvantages of BLOGS?
Advantages: -Effective way of communicating -Can be used through web and applications -Global -Can be used on many device types Disadvantages: -Mini blogs have limited characters e.g. twitter (150 characters) -Messages can be mis constructed.
51
What are the advantages and disadvantages of PODCASTS?
Advantages: -Can be downloaded -Can save a local copy -Can play again, stop, skip, pause etc. -Now has video and audio Disadvantages: -It may be a reduced file meaning bits can be missed off -You need a media player to play the files
52
What are the advantages and disadvantages of STREAMED AUDIO & VIDEO?
Advantages: -Modern approach to technology -You can visually see as well as sound -You can play, stop, pause etc. -The used of YouTube holds a bank of files and resources. Disadvantages: -Requires high bandwidth -latency dependant -You may need a player to play audio -Requires an internet connection
53
What are the advantages and disadvantages of SOCIAL MEDIA CHANNELS?
Advantages: -Use of global communication -Businesses can advertise -Real Time Disadvantages: -Can be a distraction (students) -Cyberbullying -Trolls
54
What are the advantages and disadvantages of DOCUMENT STORES?
Advantages: -Can store files on its own server (not local) -Can be shared globally -Can give different levels of access -Suitable for telephony storage Disadvantages: -Requires the use of the internet -Potential to be hacked
55
What are the advantages and disadvantages of RSS FEEDS?
Advantages: -Get instant news and information -Constantly updates Disadvantages: -Some web-sites will not support -Some users are still unsure and inexperienced
56
What is the Internet?
A global network of connected computers. They can communicate and share data using TCP/IP (Transition Control Protocol / internet Protocol
57
What is the World Wide Web (WWW)
A widely used service on the internet which uses HTTP Protocol to allow users to access webpages.
58
Why do computers need a Network Interface Card (NIC)
To connect to the internet.
59
What is an Intranet?
A network that is not connected to the internet and is only available to those within an organisation (e.g. a business or school). intranets hold information needed by those who are inside the organisation, but which is not intended for wider distribution.
60
What is an Extranet?
A website what provides restricted access to resources for an authorised set of users from outside the organisation.
61
What is an characteristic of the Internet?
Public open Access.
62
What is an characteristic of the Intranet?
Private closed Access
63
What is an characteristic of the Extranet?
Private shared Access
64
Give an example purpose of the Internet.
A web page on the internet provides customers with access to information they need and so can be seen as supporting the marketing process.
65
Give an example purpose of the Intranet
Can be used to provide resources that are only needed by employees or should not be shared with the general public, such as sales information
66
Give an example purpose of the Extranet
Can be used to provide access to a supplier for online ordering.

OCR Cambridge Technicals IT Level 3 Unit 2: Global Information (4 decks)

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