Trends And Issues In ICT Flashcards
What is mobile computing?
Transmitting and receiving data while moving
It requires portable devices like laptops, tablets, and smartphones, along with wireless communication networks.
When were First Generation Networks (1G) developed?
Around 1980
1G networks provided basic voice facility only and were based on analog systems.
What type of technology do Second Generation networks (2G) use?
Digital system for communication
2G introduced Multimedia Messaging Service (MMS) and popular standards like GSM and CDMA.
What does GSM stand for?
Global System for Mobiles
GSM is the most successful family of cellular standards.
What is the role of the Subscriber Identity Module (SIM) in GSM?
Identifies the network
Users can select a handset of their choice in GSM networks.
What are the two major technologies used in GSM?
- General Packet Radio Service (GPRS)
- Enhanced Data rates for GSM Evolution (EDGE)
These technologies enhance data transmission capabilities.
What is the primary feature of Code Division Multiple Access (CDMA)?
Simultaneous transmission by several transmitters over a single channel
CDMA provides better security for the mobile network.
What does 3G technology offer?
Higher data rates and combined data and voice
It uses WCDMA (Wideband Code Division Multiple Access) technology.
What is another name for Fourth Generation networks (4G)?
Long Term Evolution (L.T.E.)
4G networks use Orthogonal Frequency Division Multiple Access (OFDMA).
What advantage do 4G networks have over previous generations?
Good quality images and videos
4G provides better quality than traditional TV.
What is the focus of Fifth Generation networks (5G)?
Internet of Things (IoT)
5G represents the emerging step in the evolution of mobile communication.
