Personal Digital Devices Flashcards
What might a teenager want on their digital device?
They may want to have the internet to have access to social networking sites.
Why do people use digital devices on the move?
Sat Nav and GPS
track the location
Geotag images
What may a business man want on his phone?
He might want a qwerty keyboard to help him send emails quicker. Also he may want access to email.
What may and elder want on their phone?
Large font and buttons so they can see the phone clearly.
Name 5 factors to consider when choosing a personal digital device?
5 from…
- battery life
- user interface
- connectivity
- security
- storage capacity
- speed of internet and connection processor
- purpose, gaming, playing music, watching films
What is flash memory?
Flash memory is a type of peripheral that is ideal for portable digital devices because:
- it doesn’t lose data
- it has not moving parts
- it is removable
What does capacity mean?
Size
Identify one local storage device, that could be used to store data for backups:
One from:
- DVD
- CD
- Memory Stick
Name the types of flash memory: ( there are 5 )
- Secure digital, SD card ( stores up to 4gb )
- Mirco SD cards ( for smaller devices )
- SDXC, extended capacity (stores up to 2 TB)
- USB flash drive, or memory stick (plugs into the USB port, and stores up to 265 GB)
- SDHC, ( stores up to 32GB)
How many bytes (b) in a kilobyte (kb) ?
1000 bytes.
What are the names for the smallest to biggest _____byte?
Byte -> Kilobyte -> Megabyte -> Gigabyte -> Terabyte
REMEMBER : they go up in 1024
What are the three types of peripheral devices?
- storage devices
- input devices
- output devices
Name 3 input devices and their uses:
Any 3 from:
- mouse, pointing and clicking on things
- keyboard, to type in data
- game controller, to tell the games console what to do
- webcam, to input visual data
- touch screen, to input data through touching with your finger or a stylus
- microphone, to input sound ( audio )
- joystick, to control devices
- graphics tablet, to input drawing
Name 4 types of connectivity
- data cable connection
- Bluetooth
- wifi
- cloud synchronisation
What is data cable connection?
The most common method of this is a USB cable.
Most mobile phones and media players can connect by USB cable to a computer running the correct software.
What is synchronisation?
Synchronisation allows two connected devices to swap data automatically.
Name 3 functions of mobile phones:
3 from:
- camera or video camera
- internet browsing
- GPS receiver
- entertainment
- productivity, learning, financial
- data storage
How can you increase the security of your mobile phone?
You could…
- hide the phone
- set a pin, password or biometric lock
- lock the SIM card
- record the imei number ? ( the mobile service provider can block the phone using the number)
- restrict Bluetooth usage to prevent blue jacking
How can you be responsible when using mobile phones?
Be careful where you use it eg. Not in a library or hospital.
Don’t walk along using it.
Don’t use a phone while driving.
Recycle old phones.
Don’t take some ones photo with out their permission.
Don’t overuse, you could get get RSI
Don’t cyber bully
What is RSI?
Repetitive stain injury
Name 4 different types of computers:
Desktop
Tablet
Laptop
Netbook
Name 3 factors of computers:
Any 5 from: Processor speed RAM Storage capacity Number of USB ports Battery life Wifi connectivity Sound/graphics card Processor speed
What are some features of cameras/camcorders:
Zoom in using optical or digital zoom
View images or videos on LCD screen
Store files with SD and micro SD cards
Crop and edit files using Inbuilt software
View files on TV using USB and HDMI ports
Download files to a computer using USB or Bluetooth
Name some Facts about resolution:
Images are made up of pixels. One million pixels = a megapixel.
The more pixels, the more detail
The more pixels, the larger the file size
What is digital zoom?
Just enlarges part of the image which can be come blurred.
What is optical Zoom?
Moves the lens closer so that light from the subject is brought to a focus on the sensor
Name the key features of media players:
Small, light, easy to carry
Use solid state memory so that the songs don’t skip when jolted
Long battery life
Can hold a lot of media
Can set playlists
Can lock, to prevent accidental activation
Simple interface, eh jog wheel
Common formats for audio:
MP3 and WMA
Common formats for still images:
JPEG, GIF AND PNG
Common formats for video:
MPEG-4 and WMV
What are some advantages of streaming videos?
Saves time, you don’t have to download the file to play it.
Uses less storage space.
What are some disadvantages of streaming videos?
Cannot view offline.
Need connection.
Limited availability.
Bad quality.
How do media players connect? 5
Wireless, wifi, Bluetooth,infared
HDMI port
USB port
Name some peripherals of games consoles:
Wireless controllers Wireless headsets Hard drive transfer cable Webcam/speaker/microphone set Motion sensors Had cable
