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10.3 IPEKA Puri Informatics -Keely Adeline Wijaya Putri-…
10.3 IPEKA Puri Informatics -Keely Adeline Wijaya Putri-
Computer Network
Wide Area Network (WAN)
WAN is telecommunication network that connect mulitple LAN across large geographic area lik cities, countries, or continents.
WAN can be used in many cities provinces, and even entire world
1 Mbps to more than 10 Gbps
WAN can connect in long distance with the help of fiber optic cables, satellite communication, microwave links, leased line from ISPs.
Private Area Network (PAN)
PAN is a small scale network that connect personal electronics device in close, limites range which is around a few meter.
PAN can be used to connect smartphones, smartwacthes, laptops, and many more
Bluetooh up to 24 Mbps, Wi-Fi 100-200 Mbps, USB cable hundreds of Mbps until Gbps
PAN can connects through bluetooth, Wi-Fi, USB, or NFC
Metropolitan Area Network(MAN)
MAN is a comouter network that connects multiple local area networks (LANs) across a large area, such as a city, but smaller than WAN.
LAN can be use in a whole ciry, several building across town.
100 Mbps to 10 Gbps
Man uses fiber optic cables, microwave links, and also high speed leased lines that would help deliver fast date speed across large distance.
Campus Area Network (CAN)
CAN is a computer network that interconnect mutltiple LAN within a limited grographical are that can be used around university campus, corporate campus, or a military base.
1 Gbps to 20 Gbps but in large campuses 40 to 100 Gbps
CAN coonnects by linking buildign LAN through fiber cables, switches, and central bacbone
Usually used in school campusses (multiple buildings, universities, or military bases
Storage Area Network (SAN)
SAN ia high speed network that connects servers to storage device ( like big hard disk systems). So instead of each computer having big stoarage with SAN it all will be connected to a big storage server ove a super fast private network.
4 Gbps to 64 Gbps
Uses Fibre Channel (FC) or sometime iSCSI over Ethernet
Used in data centers, banks, large compenies, hospitals, or even cloud service providers.
Local Area Netwrok (LAN)
LAN is a network that connects computers and other devices within a small, limited area like a home, office, and many more.
LAN run around 100 Mbps
A LAN works using several parts: each device needs an NIC to connect, a switch acts as the heart of the network to forward data correctly, access points allow wireless devices to join, and a router is used if the LAN needs internet access.
LAN can be used in house, school, office building, and many more.
Computer System
Hardware
Hardware is the physical, tangible part of computer system that we can tuch which is like the external device like keyboard, mouse, and many more
Output Device is the visual and audio results from the cumputer operations like the monitor or printer.
Storage that helo saves data, like HDD, SSD
Memory which is the temporary storage for active processes and data.
Input device which is a essential tools for use interaction with computers like the keyboard, mouse
CPU which is the brain of the computer processing data
Motherboard is the one that connects all hardware components and facilitates communicaction
RAM which is the temporary memory used while programs run/ Device
Software
Software is a set of instructions, data, or programs that tell the computer and other electronic device so that it can perform specific tasks.
System software
The one running the compurter (operating system like windows)
Application Software
The apps that we can use (word, Chorme, and games)
Brainware
brainware is the human element of computer system which is the user who operates, manages, and direct the hardware and software.
Administrator
Mange and maintain computer systems or network to keep them running smoothly
Desainer Grafic
Creates visual designs to communicate messages creatively
Public user
regular person who uses computer systems for everday tasks
Data Analis
Studies and interprets data to help make informed decisions
Programmer
Writes and develops computer programs using coding languages
Computational Thinking
the way of solving problems so it can be solved by people and computers not only programming but understing, modelling and creating a clear step by step solution.
Stack is a linear data structure whre the added item added and removed from one end, so last in would be the first out.
Bubble sort is to compare the ide and repeatedly bubbl the largest ement to the end according in the order wanted.
Queue is a liner data structure where the items enter at one and leave from the other end, so first in would be first out.
Insertion sord is to build the sorted list one at a time, inserting the new item into the correct spot according to the order wanted.
Merge sort is that it divide the list into halves, sort each hald and merge them back according to the order wanted.
Selectrion sort is to repeatedly fint eh smallest or biggest element and moce it to the front according to the order wanted.
ICT
ICT is information and communication technology that combined use of technology to collect, sotre, process, trnamis, and share information or basicly everything we learn at school.