Personal Digital Devices (1) Flashcards
(28 cards)
Name three uses of digital devices for leasure
- playing games
- listening to music
- taking photos
how would people use digital devices when travelling
- find the route using sat nav and global positioning systems (GPS)
- track the location of cars and vans
- geotag images
name three factors to consider when buying a digital device
- user interface
- security
- storage capacity
- purpose, e.g. gaming, photography
- internet speed and connection
- connectivity
- compatibility with other devices
how many bytes in a kilobyte?
1,000 bytes
how gigabytes in a terabyte?
1,000 gigabytes
what is flash memory? ans what is it used for?
flash memory is a type of peripheral and is ideal for portable digital devices because;
- it doesn’t lost data when turned off
- it has no moving parts so it cannot be easily damaged
- it is removable and can be used to transfer data from one device to the next.
name three types of flash memory
- secure digital (SD) card
- micro SD cards, for smaller devices
- SDXC (extended capacity) cards, this can store up to 2TB
- USB flash drive or memory stick, stores up to 256GB
what is a peripheral?
a peripheral is a device that is connected to another device and transfers DATA not power.
name three output devices
- speakers
- docking station
- screen, display
- printer
what is an advantage of using cloud storage
you can access the data stored on any device with internet access
what is Bluetooth used for
it is used to communicate over short distances using radio waves
what does multi-functional mean?
a device that is multi-functional can do multiple things such as internet browse, play games, listen to music
most phones today are multi-functional
name some ways that a phones data can be protected
- hide the phone
- set a pin or password
- lock the sim card
- record the unique IMEI number, so the mobile service provider can block this phone
- restrict Bluetooth usage, “blue jacking” is where people nearby can send anonymous messages to people nearby.
what are 4 types of computer
- desktop computer
- laptop computer
- netbook computer
- tablet computer
what does RAM mean
Random Access Memory
what does CPU mean
central processing unit
what is the causes of eye strain
- looking a the screen for too long
- sunlight/artificial light shining on the monitor
what are the causes of neck and back pain
- sitting in the wrong position
- sitting in the same position for a long time
what are the solution for repetitive strain injuries (RSI)
- use wrist rests to support your hands
- take breaks from repeating actions
what are some typical uses of a digital camera
- store files with a SD card or Micro SD card
- crop and edit files using inbuilt software
- take photos, record sound and record HD video
- download files to a computer using USB or Bluetooth
what is the difference between digital zoom and optical zoom
- digital zoom doesn’t really zoom, it just crops the bit that is need and enlarges the image, this can affect image quality.
- Optical zoom moves the lens away from the sensor and closer to the subject, bringing the light from the subject closer.
name some features of a games console
- High resolution output for high definition games
- connectivity, USB, Bluetooth, WiFi and Ethernet network cable
- capable of multi-player online gaming
- CD, DVD and Blu-ray optical drives.
what are the peripherals of a games console
- wireless controller
- wireless headset
- hard drive and transfer cable
- webcam/speaker/microphone
what are the 4 health risks of overuse of games.
- RSI
- Obesity
- muscle and joint problems
- eye strain
