Pages in this set

Page 1

Preview of page 1
1




ICT-UNIT 1, Let's communicate! (NOTES)
What can your phone do? 23/04/13

Smart phone is a phone offering advanced features. It is an example of a multifunctional device ­it has the ability to
do many different things using the same device e.g. games, Bluetooth, mp3

Picture resolution (pixels)-Refers to quality…

Page 2

Preview of page 2
2




IMAP4-View your entire inbox + subfolders automatically.

Network Band
Dual band-2 frequencies picked up
Tri band-3 frequencies picked up
Quad band-4 frequencies picked up most convenient for travelling as it can be used in 5 countries

Designing a mobile phone
Global positioning system (GPS)-Signal is sent to satellites to…

Page 3

Preview of page 3
3




Navigation/menu system (easier to guide older people)
Panic button (reach relatives easily)
Size of screen = buttons (older people can feel)
Volume (older people may have hearing problems)
No. of available features (some people may not want so many features e.g. kids want lots)

CONS of having a phone…

Page 4

Preview of page 4
4




Personal Digital Assistant- Compact as a phone. Contains address book, note-making features, telephone +
internet, allows data exchange with computers.

When buying a computer, one needs to consider:

Processor (CPU) [gigahertz]-carries out calculations=processes. Higher processing speed=faster computer
BUT=more power used
-Mobile processors- For laptops. Use less power + switch…

Page 5

Preview of page 5
5




You can conserve energy by:
Not playing multimedia, games, music
Reduce screen brightness
Allow computer to turn of computer parts automatically e.g. monitor switches off after 10 seconds
Run files from Hard drive after copying b/c uses less energy that OD
Disconnect unused devices
Earphones NOT speakers
Switch off…

Page 6

Preview of page 6
6




Voice over internet protocol (VoIP)-Sound is exchanged. Used to make a telephone call via the internet. Cheaper or
FREE, even internationally, but monthly fee may be charged in some cases. This means less phone bills. Need
peripherals such as, microphones, headset, speakers, and webcam (streaming videos) to use VoIP.…

Page 7

Preview of page 7
7




Protocols-The set of rules used by computers to communicate with each other across a network. There are two types
of email protocols:
IMAP4-Downloads your inbox + subfolders, so you can view them on any computer you have connected to.
POP3-You have to use internet to download the mail, and…

Page 8

Preview of page 8
8




You can upload podcasts so that people can view them by subscribing and downloading the materials which are ready
for use. Subscribing to blogs=notified when others update info.
Social bookmarking allows others to update with info that you want to know.

Be safe/efficient:
Don't sit researching too long stress…

Page 9

Preview of page 9
9




Computer Misuse Act (1990) - Protects people from:
Logging onto someone else's computer/account and accessing their information
Making changes to computer material e.g. sending viruses to people on purpose.

Copyright, Designs and Patent Act (1988) - Protects people's original work/ideas from being used without
permission.

Data and Protection Act…

Page 10

Preview of page 10
10




The digital divide
The digital divide is those who have access to effective digital technology, and those who don't.

Causes of lack of access:
1) Low income 2) Rural area 3) Disability 4) Dyslexia 5) Elderly 6) Ethnic minority

Implications of digital divide
Economic-Money, wealth, production etc.
Knowledge of…

Comments

No comments have yet been made

Similar Computing resources:

See all Computing resources »