Personal digital devices Flashcards
Name 3 digital devices
Mobile phones
Tablets
Laptops
Digital devices are used for what?
Communication
Name 3 software’s that allows you to communicate on a digital device?
Social networking sites
Test messages
Email
Name 3 examples of people using digital devices as leisure?
1) Playing games with computers or consoles
2) Taking photos and videos with digital cameras
3) Downloading music
Name 2 ways people use digital devices for travel?
1) Finding routes using GPS
2) Geo tag images
Explain how having access to the internet can enhance a person’s work life?
1) Collaborate with work colleagues easily
2) Thanks to teleconferencing and video conferencing they have to travel to fewer meetings saving them time.
3) Improved technology and devices means that it is easier to work from home which saves time.
When choosing a digital device name 5 factors that you have to consider?
1) Cost
2) Convenience (size, weight)
3) Storage capacity/memory
4) Connectivity (does it have Wi-Fi? Bluetooth?)
5) Battery life
What does portable computer mean?
Designed to allow the user to use the computer on the move e.g. laptop notebook.
What do all digital devices contain?
A processor
What is a processor?
It controls all the functions of the device.
The higher the processor means what to the device?
The faster the device will operate.
what is Processor speed measured in?
Megabytes(MB) or gigabytes (GB)
What is internal memory?
It is data stored in a digital device.
What is internal memory measured in?
different devices have different amounts of internal memory which is measured in bytes.
What are the two types internal memory usually stored in?
RAM (loses data when turned off)
Rom (read only memory)
what is hard disk drive?
This stores all the software, files and data.
Do computers store hard disk drive or flash memory?
High capacity hard disk drives to store terabytes of data.
What is hard disk drives usually measured in?
Its size is measured in bytes (usually gigabytes).
Why do Hard disk drives do not feature in portable devices?
They contain moving parts and can be easily damaged.
What is a Peripheral?
Are additional devices that can be added to your personal digital device.
What is Flash memory?
It is added memory/ storage to a digital device.
Give 3 reasons why flash memory is ideal for digital devices?
1) doesn’t lose data when turned off
2) it has no moving parts so cannot be easily damaged
3) it is removable and can be used to transfer data between devices.
Name 5 types of flash memory?
1) SD card
2) SDHC (high capacity)
3) USB
4) Micro SD cards
5) SDXC (extended capacity)
How much data does a SD card store?
Up to 4GB
How much data does a SDHC card store?
Up to 32GB
How much data does a USB stick store?
Up to 256GB
What are Micro SD cards used for?
Smaller devices
How much data does a SDXC card store?
Up to 2 TB.
Mitch could use a DVD or CD drive to back up his video files. State one reason why DVD is more suitable?
DVDs have a larger storage capacity.
Identify one local storage device, other than a DVD or CD drive, that could be used for backups?
USB
Suggest two reasons why SD cards are suitable for personal media players?
1) No moving parts and do not easily get damaged
2) Can be used to transfer data between devices
1000 bytes equals how many kilobytes?
1 KB
1000 kb equals how many megabytes?
1 MB
1000 megabytes equals how many gigabyte?
1GB
1000 gigabytes equals how many terabytes?
1 terabyte.
Is a charger a peripheral device?
No
Peripheral devices can be categorized in 3 ways which are what?
1) Input devices
2) Output devices
3) Storage devices
What are input devices?
Allows users to give instructions to the device or input data.
Name 5 input devices?
Mouse Keyboard Controller Microphone Joystick (for gaming)
What are output devices?
Output devices allow users to see or hear information.
Name 4 output devices?
Speakers
Headphones
Printer
screen
Jo has a new game console. State two input devices that she might use with it?
Joystick
Controller
List two peripheral devices that could be connected to a personal media player?
Headphones
Speakers
Digital devices can connect with each other and also do what?
Share data
What is the most common method of data cable connection?
USB cable
How can a phone connect to a computer?
Using a USB cable to transfer information
What is Bluetooth?
It is a way of allowing devices to communicate wirelessy.
Bluetooth communicates with different devices other what type of distances?
Short distances using radio waves.
How can devices connect to speakers?
Devices can be connected to Bluetooth-enabled peripherals such as the speaker
What is Wi-Fi?
It is another method of wireless communication using radio waves
What can wi-fi enabled devices communicate other?
Long distances
What is does wi-fi allow?
allows devices to connect to wifi enabled peripherals such as printers
What is synchronization
When two device, such as a media player and a computer are connected, they can automatically exchange data.
What is cloud synchronization?
Allows data to be stored on a remote server and can be accessed from all your digital devices.
Because now computers laptops are wifi enabled devices cloud computing servies such as Apple’s i Cloud does what?
allows them to store all their data files such as music on a remote server, allowing them to access their files from all their digital devices.
List two methods of wirelessly connecting a media player to a computer.
WiFi
Bluetooth
A user is considering buying some wireless external speakers. Explain why Wi-Fi enabled speakers might be better than Bluetooth?
Wifi enabled speakers have a greater range than Bluetooth which means that the user could have more options for placing around the house.
Modern smartphones are an example of what?
A multi-functional device
What is convergence?
When one device is developed to carry out functions that were performed by several different devices.
Name 2 uses of Multi-functional mobile phone?
1) Internet browsing( stream music and videos)
2) Entertainment( play games)
Stephen normally uses his mobile phone to make voice calls and send SMSs. He has now purchased a smart phone. List two additional ways in which he cab use his smartphone to communicate?
Emails
Multimedia messaging service (MMs)
Describe one feature of modern mobile phones that has improved the user experience when watching movies?
Improved screen resolution means that the movies look better on the mobile phone.
What is roaming?
Using your mobile phone abroad
What is a network band?
Mobile phones have different networking bands or frequencies in different areas of the world. To be able to connect with a phone on a different frequency, the phone needs to be able to receive one or more frequencies. A phone can be:Dual band - picking up 2 frequencies, Tri band - picking up 3 frequencies,Quad band - picking up 4 frequencies.Having a quad-band phone allows you to use it in 5 different countries