Post on 27-Feb-2023
COMPUTER NETWORKS AND COMMUNICATIONS
TITLE:
THE LATEST DEVELOPMENT IN NETWORK AND COMMUNICATION
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IC NUMBER: ????
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2.0 Computer Network and Communication
Meaning of computer network:
A computer network is system of interconnected
computers and peripheral devices. For example it
may connect computer, scanner, printer, and
cameras.
Meaning of communication:
Communication is about the transfer of information
from sender, across a distance, to a receiver.
2.3 Mobile Computing Mobile computing or nomadic computing is a generic term
used to describe the ability to use technology to wirelessly
connect to and use centrally located information and / or
application software via small portable and wireless
computing and communication devices such as laptop and
handheld computers.
2.4 Definition of mobile computing
Mobile computing is about the new strategies of
computing that utilities portable or mobile
devices and wireless communication networks. There
are various type of mobile computing devices such
as :
1. Notebook computer
2. Tablet PC
3. Handheld computer
4. PDA
5. Smartphone
2.5 Specification, services, and frequencies of
Mobile Computing
Specification
BODY Dimensions
152.6 x 75 x 9.2 mm (6.01 x 2.95x 0.36 in)
Weight
171 g (6.03 oz)
DISPLAY Type IPS LCD capacitive touch-screen,
16M colorsSize 1440 x 2560 pixels, 5.5 inches
(~534 ppi pixel density) Multi-touch
Yes
Protection
Corning Gorilla Glass 3
- ColorOS UI
SOUND Alerttypes
Vibration, MP3, WAV ringtones
Loudspeaker
Yes, with stereo speakers
3.5mm jack Yes - OppoMaxxAudio
MEMORY Card
slotmicroSD, up to 128 GB
Internal 32 GB, 3 GB RAM
CAMERA Primary 13 MP, 4160 x 3120 pixels,autofocus, dual-LED flash,
Features Geo-tagging, touch focus, facedetection, panorama, HDR
Video 2160p@30fps, 1080p@60fps,720p@120fps,
Secondary
5 MP
FEATURE OS Android OS, v4.3 (Jelly Bean)Chipse
tQualcomm MSM8974AC Snapdragon
801CPU Quad-core 2.5 GHz Krait 400
GPU Adreno 330Sensor
sAccelerometer, gyro, proximity,compass
Messaging
SMS (threaded view), MMS, Email,Push Email, IM
Browser
HTML5
Radio NoGPS Yes, with A-GPSJava Yes, via Java MIDP emulatorColors White, Black, Astro Black - Fast battery charging:75%in 30 min
-Active noise cancellation with
dedicated mic
- MP40/H.264/WMV player
- MP3/eAAC+/WMA/WAV player
- Document viewer
- Photo viewer/editor
- Voice memo/dial/commands
BATTERY Li-Po 3000 mAh batteryStand-byTalktime
Services
DATA GPRS YesEDGE YesSpeed HSPA, LTEWLAN Wi-Fi 802.11 b/g/n, Wi-Fi
Direct, DLNA, Wi-Fi hotspotBluetooth
v4.0, A2DP
NFC YesUSB microUSB v2.0, USB Host
Frequency
GENERAL 2GNetwork
GSM 850 / 900 / 1800 / 1900 -all models
3GNetwork
HSDPA 850 / 900 / 1900 / 2100 -international model
HSDPA 850 / 900 / 1700 / 1900 /2100 - Mexico & US model
4GNetwork
LTE 800 / 1800 / 2100 / 2600 -international model
LTE 700 / 1700 / 2100 - Mexico &US model
3.3 Internet Technology and Services
Internet technology is a broad range of
technologies for web development, web production,
design, networking, telecommunication and e-
commerce.
Services include:
1. Email capabilities
2. A variety of software applications for
secured communications.
3. Mobile security services
4. Mobile data, voice and video systems.
3.4 VoIP (Voice over Internet Protocol)
VoIP is one of the internet technologies that
allow a user to make telephone calls using a
broadband Internet connection instead of a regular
(or analog) phone line. VoIP is a method for
taking analog audio signals and turning them into
digital data that can be transmitted over the
Internet.
3.5 Blog
A blog is one of the popular activities on the
Internet and publicly shared. The authors
frequently update the content on a regular basis.
A blog is usually referred to the text produced by
the author. These text is all about the author’s
thought and experience.
4.0 Type Of Network
4.5 Personal Area Network (PAN)
PAN is a computer network used for communication among
computer devices including PCs, laptops, printers,
telephone, digital cameras, mobile phone, and Personal
Digital Assistant.PAN may be wired with USB port, Fire wire
port Infrared (IrDA) and Bluetooth technologies.
4.6 Virtual Private Network (VPN)
VPN is a network that uses a public telecommunication
infrastructure, such as Internet to individual with secure
access to their organization’s private network. These
network transmitted data packets across a public network.
4.7 Wireless Local Area Network (WLAN)
WLAN is a type of LAN that uses a high-frequency radio
waves to communicate between nodes. These network also
improve user mobility, speed, and scalability to move
around within a broad coverage area and still connected to
the network.
4.8 WorldWide Interoperability for Microwave
Access (WiMAX)
WiMAX is a technology that connect WiFi hotspots to the
Internet. WiMAX would operate similar to WiFi but at a
higher speeds, between greater distance and for a greater
number of users.
6.0 Conclusion
We can conclude that computer network give a big
impact in our life include in educational sectors,
business, and other organization .We can see this all
changes all over the world. People connect to each other
at the fingers tip. This is some advantages of computer
network that make people life easy and peace from any
problem.
Reference http://www.gsmarena.com/oppo-find-7-6214.php .
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