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Personal digital devices Flashcards

0
Q

Name 4 uses of digital devices for leisure

A

Downloading music
Streaming films
Playing games on computers/consoles
Taking photos with cameras.

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1
Q

How does the use of personal digital devices affect everyday life

A

Digital devices allow people to communicate at anytime, anywhere by text messaging, instant messaging and voice/video calls.

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2
Q

Name 3 ways people often use digital devices when on the move

A

Find routes using sat Nav and GPS.
Track the location of cars and vans.
Geotagging pictures.

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3
Q

Explain how having access to the Internet can enhance a persons work life

A

Improved technology and devices means that it is easier to work from home.
They can use specialist software like spreadsheets, which makes them more productive.
Because of video conferencing they have to travel to fewer meetings which saves time and they can communicate with people all over the world.

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4
Q

How would the type of audience affect how a company would design a digital device

A

A teenager may want internet access for accessing social networking sites.
A business person might want a qwerty keyboard so they can easily send emails.
An older person might want a large screen and an easy to use interface.

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5
Q

Name 5 factors you need to consider when choosing a device to buy

A 
Battery life. 
Cost. 
Purpose, what you want it for. 
Security 
User interface.
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6
Q

What is a processor

A

A processor is in all digital devices, it controls all the functions of the device.

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7
Q

What is internal memory measured in

A 
Bytes 
Kilobyte =1000 bytes 
Megabyte = 1000 kilobytes 
Gigabyte = 1000 megabyte 
Terabyte = 1000 gigabyte
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8
Q

How do computers store their internal data

A

They contain high capacity hard disk drives to store terabytes of data. Hard disk drives tend not to be used in portable devices because they contain moving parts and can easily be damaged.

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9
Q

What is flash memory and why are they ideal for portable devices.

A

A type of peripheral.
It doesn’t loose data when turned off
It has not moving parts so cannot be easily damaged
It is removable and can be used to transfer data between devices

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10
Q

Name 2 types of flash memory

A

SD cards

USB memory stick

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11
Q

Name the three types of peripherals

A

Storage devices
Input devices
Output devices

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12
Q

What do input and output devices allow you to do

A

I- Allow users to give instructions and input data to the device

O- allow users to see or hear information after it has been processed

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13
Q

Give 4 examples of input devices

A

Mouse,
Keyboards - used to enter text.
Webcam- used to input visual data.
Microphone - used to input audio data.

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14
Q

Give 4 examples of output devices

A

Speakers- allow you to hear audio output
Headphones - allow one person to hear audio out put
Printer- allows you to produce hard copy
Screen - inbuilt display screens or monitors.

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15
Q

Jo has a new games console. State 2 input devices that she might use.

A

Wireless controller

Microphone

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16
Q

What is the most common method of data cable connection

A

A USB cable. Used by phones and media players to connect to a computer running the correct software

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17
Q

Name 4 ways digital devices are able to connect to each other and share data

A

Data cable connection
Bluetooth
Wifi
Cloud synchronisation

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18
Q

What is Bluetooth

A

A technology that allows devices to communicate with each other wirelessly. They communicate over short distances using radio waves.

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19
Q

What is wifi

A

Another method of wireless communication Using radio waves. Enables devices to communicate over long distances

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20
Q

What is synchronisation

A

When two devices are connected they can automatically exchange data

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21
Q

Why would someone want to use cloud synchronisation

A

Allows them to store all their data files such as music and films on a remote server. They can access all their files from all of their digital devices.

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22
Q

Why may wifi enables speakers be better than Bluetooth

A

Wifi enabled devices can travel over longer distances than Bluetooth enable devices.

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23
Q

Name two core functions of mobile phones

A

Voice calls, while on the move.

SMS text messages

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24
Q

What are modern smartphones

A

Multifunctional devices.

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25
Q

What is convergence for a phone

A

Smart phones can perform the functions of other devices. Eg media players cameras laptops

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26
Q

Name 3 features of a multimedia mobile phone

A

Camera, take still images.
Internet browsing, stream music/videos.
Data storage, photos music and video.

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27
Q

State two features that can make a phone easier to use

A

Larger keys

Touch key pad

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28
Q

What is meant by network band

A

Mobile phones in different areas of the world use different frequencies or network bands. Using your mobile phone abroad is called roaming. If people want to use their phone everywhere in the world they must have a quad band phone.

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29
Q

Name 3 ways to keep your phone secure

A

Hide the phone from others.
Set a pin for the phone.
Lock the SIM card

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30
Q

Name 4 ways to responsibly use your phone

A

Don’t use a mobile while driving.
Recycle old phones.
Don’t walk along using a mobile phone- not looking where you’re going

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31
Q 
When choosing a mobile phone what would the following people might want: 
Teenager
Business person
Older person
Partially sighted person
A

Teen- docking station, wifi
Business - hands free kit
Older/ partially sighted- Bluetooth or wifi speakers

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32
Q

Describe the features of a desktop computer

A 
Need input and output peripherals
Powerful processors 
Have hard disks and optical drives
Good connectivity
Can have wifi for and Bluetooth cards fitter for wireless communication
33
Q

Describe some features of laptops

A 
Battery powered/ electricity supply use.
Monitor with built in webcam. 
Hard disk and optical drives. 
Bluetooth and wifi built in. 
Less easy to upgrade.
34
Q

Describe some features of netbooks

A 
Strong and robust. 
Small and light weight. 
Solid state SD cards as storage. 
Wifi built in. 
Tend not to have a hard disk/ optical drive.
35
Q

Describe some features of tablets.

A 
Very light and portable. 
Battery powered. 
Touch screen interface. 
Bluetooth, wifi and 3G. 
Cameras. 
Can run apps.
36
Q

List two peripherals someone might use when traveling by train.

A

Flash memory stick

CD ROM.

37
Q

Name 4 features that you should consider when buying a new computer

A

Ram - more RAM will allow more applications to be supported.
Storage capacity.
Battery life.
Processor speed.

38
Q

What is ergonomics

A

The science of designing equipment so that it is comfortable and user friendly. They can can help prevent repetitive strain injuries.

39
Q

Name 4 computer use health risks, their causes and possible solutions

A

Eye strain- looking at computer screen for too long - adjust screen, take breaks away from screen.
Repetitive strain injury - performing repeated actions - use wrist rests to support hand.
Back and neck probs - sitting in wrong position for a long time - adjust the lumber support.
Pain in knees & legs - sitting in wrong position - take regular breaks to strychnine legs.

40
Q

State 4 features of a camera

A

Take photos, HD video.
View images/videos on LCD screen.
Zoom in using optical/digital zoom.
Store files with SD card.

41
Q

What is the difference between a digital zoom and an optical zoom

A

Digital zoom just crops and enlarges part of the image which affects its quality.
Whereas optical zoom moves the lens away from the sensor and closer to the subject bringing light from subject closer.

42
Q

What are images made up of

A

Pixels which are tiny points on images. The more pixels the more detailed the image and the larger the file size.

43
Q

Name 3 new features that have been added to cameras/camcorders

A

GPS receiver
WiFi
Personal camcorders

44
Q

Why would a camera have a GPS receiver

A

So that the geographical coordinates can be stores in the metadata, meaning that small text will appear with each image giving its details. Can be used for GPS tagging on maps.

45
Q

Why would a camera have wifi

A

So that users can now email their images or upload them to online albums and social networking sites without needing to download them into their computer first.

46
Q

Name 4 key features of a personal media player

A

Small, light and easy to carry.
Long battery life.
Can hold a lot of media.
Simple interfaces.

47
Q

Name some common media file formats for audio, still images and video

A

Audio: MP3 or WMA
Still images: JPEG, GIF and PNG
Video: MPEG-4 and WMV.

48
Q

Name 3 safety features which many personal media players offer

A

Locks automatically if not used for a certain period, to prevent accidental or unauthorised use.
Uses antivirus software.
Encrypts data to prevent offers accessing it.
Reactivates only when you have entered the correct password.

49
Q

What does DRM software do

A

Prevents you from making copies of audio and video files you have downloaded onto your personal media player. It is to protect the copyright holder by preventing illegal copying.

50
Q

Name three connectivity features on a personal media player

A

Wireless transfer using wifi, Bluetooth.
HDMI port allowing users to view HD movies in TV through HDMI cable.
USB port, allowing transfer of files at up to 5 gigabytes per second.

51
Q

What are the advantages of streaming a video

A

Saves time. A user doesn’t have to wait for a file to download.

Uses less storage space.

52
Q

What are the disadvantages of streaming a video

A

Cannot keep a local copy.

Limited availability for some streamed video.

53
Q

Name 4 features of a games console

A

CD, DVD and Blu-Ray optical drives.
High resolution output for high definition games.
Connectivity - USB, wifi, Bluetooth.
Capable of multiplayer online gaming.

54
Q

Name 4 peripheral which could be used with a games console

A

Wireless controllers
Wireless headset
Webcam
Speaker

55
Q

How does hands free gaming work

A

Using a laser and an infrared camera it builds up a picture of your room and works out what is a person and what is furniture. It then identifies which parts of your body are moving.

56
Q

What are smart TVs and what are they used for

A

They have an Internet connection.

Used for online interactive media and on-demand film and game streaming.

57
Q

How can you play games on a smartphone and tablet

A

They have a wired wireless HDMI connectivity so you can use the device to play games on an HD TV.

58
Q

What are four health risks of playing computer games, and how are they caused and how can they be prevented.

A

Overuse injuries - pressing buttons can lead to RSI - set sensible time limits, take frequent breaks.

Obesity - the amount of time playing games and obesity are linked - do physical exercise when not playing

Muscle and joint problems - hours in same position impacts on posture - take regular breaks to walk around and stretch.

Eye strain - eyes become fatigued when focused at the same distance point for long periods of time - adjust the screen for contrast and brightness.

59
Q

Name 3 signs of overuse on video games

A

You spend a your free time gaming.
You lie about how long you spend playing.
You are irritated when not playing games.

60
Q

What do some people suggest about gaming and the effects it has on our behaviour

A

Violent video games can make us more aggressive in real life if we are exposed to the games constantly. Which Is why video games have age limits.

61
Q

Name 4 features of digital TV

A

More channels than a analogue TV.
High quality picture and sound.
Electric programme guide.
Interactive features.

62
Q

List two ways in which digital TV signals can be silicates to the home

A

By cable.

By satellite.

63
Q

What do home cinemas do

A

Include DVD/blu-Ray player, amplifier and 6 speakers to provide high fidelity surround sound.

64
Q

What would a home entertainer system include

A

PVR - contain a hard disk drive allowing you to record TV programmes.
Set top boxes - transform and enhance the signal from the cable or satellite to a form that the TV can display.
Blu-Ray players - play HD movies on blu-Ray disks.

65
Q

What is digital living network alliance (DLNA)

A

Of two devices are DLNA certified, then they are compatible straight out of the box. So you can access content from your PC, camera or smartphone on your TV, or play music from your personal media player.

66
Q

Some friends wirelessly display images from their phones onto their TV. Describe how they might do this

A

Connect to the wireless network pair the devices to low data sharing and allow the images from the phone to accessed by the TV.

67
Q

Some people claim that playing video games is beneficial. Give some points to support this.

A

Spatial awareness and attention span improvement.

Learning skills and specific subjects - problem solving.

Social skills - online gaming.

Physical activity - wii sport.

68
Q

What are satellite navigation systems

A

They use GPS to plan routes and give directions. Sat nava are used by drivers, pedestrians and geocachers.

69
Q

State the function of GPS

A

Global Positioning System gives you an accurate location of where you are by reviewing signals from a network of satellites.

70
Q

Apart from route planning why else might drivers use sat navs

A

To check their speed and warn them about speed cameras.

To get live traffic reports and avoid congestion.

71
Q

Name 3 health and safety risks about using a sat back when driving

A

Drivers may take their eyes off the road which can cause an accident.
Devices may cause a blind spot.
Device could lead driver down a hard to navigate road or to incorrect destinations.

72
Q

What is convergence

A

Where a digital device takes in a function normally found in other devices. Eg, GPS and sat navs are now offered on smartphones and media players.

73
Q

How are dedicated sat nav manufactures responding to the convergence of devices.

A

Producing sat navs with:
Larger screens
3D displays
Bluetooth links to mobile phones so they can be used for voice calls.

74
Q

Give 2 advantages of using a smart phone over a dedicated sat nav

A

They are generally small, light and easy to carry around.

You are more likely to always have your smart phone with you so you will always have a sat nav available.

75
Q

Give 2 disadvantages to using a smartphone over a dedicated sat nav

A

Using GPS on your phone runs the battery down quickly.

Smartphone sat navs don’t always update as quickly meaning you could miss some instructions.

76
Q

State one way in which sat navs can provide specialist help for disabled drivers.

A

They can provide location of dedicated disabled parking areas, disabled toilets and facilities in shops.

77
Q

Give 1 advantage and 1 disadvantage of issuing employees with portable digital devices

A

+ allows greater cooperation between workers at different sites.

  • puts organisations at greater risk of hackers stealing or corrupting data.
78
Q

What has the introduction of computers had an impact on

A

The number of employees needed
The skills employees need
Training and retraining requirements.

79
Q

Name 3 ways in which organisations can build a strong online presence

A

Website- to showcase goods and services.
Blog- to tell customers about developments in a more personal way.
Viral marketing - to advertise their services through video uploads.

80
Q

Tina is a sales rep who travels most of the week explain how she might use her smart phone to communicate with people while travelling.

A

She can use Bluetooth to allow her to speak to customers while driving. She can use 3G or wifi when in a hotel/meeting to email/chat/text with colleagues.

81
Q

List 3 ways in which technology can be used in education

A

Interactive whiteboards - to enhance learning experiences.
Internet to allow better online research.
Laptops, netbooks and smartphones to allow access to online learning resources.

Ict (6 decks)

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