Chapter 6 Enliven a presentation computer class5th
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Computer is the main component to access Internet. Computer specifications used in internet connection is very mentukan fast or slow performance of internet access. the higher the specification of a computer, the faster the performance of internet access, and vice versa. COMPUTER MODEM comes from the abbreviation MOdulator DEModulator. The
modulator is the part that converts the information signal into the
carrier signal (Carrier) and is ready for transmission, whereas the
Demodulator is the part that separates the information signal (which
contains data or messages) from the received carrier signal so that the
information can be received properly. KINDS OF MODEM
a. Modem Dial Up (Internal / External / Cable Modem / ADSL Modem) there are 2 kinds: 1.Modem Internal is a modem that is installed in the computer, especially on the expansion slot available in mainboard computer External modem is a modem located outside the computer CPU b. Cable Modem c. ADSL Modem or Asymmetric Digital Subscriber Line d. CDMA modem
Internal modem External modem ADSL Modem Modem Cable Modem CDMA
Additional hardware 1. Router is a computer networking device that sends data packets through a network or the Internet to its destination, through a process known as routing. In general, the router is divided into two types: static router (static router): is a router that has a static routing table that is manually set by the network administrator. * dynamic router (dynamic router): is a router that has dab create dynamic routing tables, by listening to network traffic and also by interconnecting with other routers. 2. Network Card (English: network interface card abbreviated as NIC or network card) is a Card that serves as a bridge from a computer to a computer network. ROUTER CARD NETWORK
12. 3. Webcam (short for web camera) is the designation for real-time cameras whose images can be accessed or viewed through World Wide Web, instant messaging program or video call app. 4. Bridge Network is a network component used to expand the network or create a network segment.
Initially, the idea to create a computer network is just so that a computer system device can be used together. This is of course also influenced by the haga of a computer that is still expensive, and can not be bought by ordinary people at that time. 1940s: Batch Processing 1950s: Began to develop the TSS (Time Sharing System) 1970s - Distribution Processing: Development of TSS HISTORY OF COMPUTER NETWORK
DEFINITION OF COMPUTER NETWORK The computer network (network) is a telecommunication network that allows inter-computer to exchange data. The purpose of the computer network is in order to achieve its goals, every part of the computer network can request and provide services (service)
KINDS OF INTERNET NETWORK MAN (Metropolitan Area Network) Greater reach than LAN network, which is a maximum of 10 s.d. 50 kilometers Internet (Interconnected Network) Internet is a computer network that has a reach to all corners of the world. Wireless This network is the most practical because it does not require cable. LAN (LocalAreaNetwork) This network has a coverage location that is only 100 meters away. WAN (Wide Area Network) WAN network is a computer network that has intercontinental reach, by crossing the country's geographic boundaries and public property.
INTERNET AND INTRANET The Internet (short for interconnection-networking) is an entire network of interconnected computers using the global standard Transmission Control Protocol / Internet Protocol Suite (TCP / IP) system as a packet switching communication protocol to serve billions of users around the world. An intranet is a private network that uses internet protocols (TCP / IP), to share confidential company information or operations within the company to its employees
a. Modem Dial Up (Internal / External / Cable Modem / ADSL Modem) there are 2 kinds: 1.Modem Internal is a modem that is installed in the computer, especially on the expansion slot available in mainboard computer External modem is a modem located outside the computer CPU b. Cable Modem c. ADSL Modem or Asymmetric Digital Subscriber Line d. CDMA modem
Internal modem External modem ADSL Modem Modem Cable Modem CDMA
Additional hardware 1. Router is a computer networking device that sends data packets through a network or the Internet to its destination, through a process known as routing. In general, the router is divided into two types: static router (static router): is a router that has a static routing table that is manually set by the network administrator. * dynamic router (dynamic router): is a router that has dab create dynamic routing tables, by listening to network traffic and also by interconnecting with other routers. 2. Network Card (English: network interface card abbreviated as NIC or network card) is a Card that serves as a bridge from a computer to a computer network. ROUTER CARD NETWORK
12. 3. Webcam (short for web camera) is the designation for real-time cameras whose images can be accessed or viewed through World Wide Web, instant messaging program or video call app. 4. Bridge Network is a network component used to expand the network or create a network segment.
Initially, the idea to create a computer network is just so that a computer system device can be used together. This is of course also influenced by the haga of a computer that is still expensive, and can not be bought by ordinary people at that time. 1940s: Batch Processing 1950s: Began to develop the TSS (Time Sharing System) 1970s - Distribution Processing: Development of TSS HISTORY OF COMPUTER NETWORK
DEFINITION OF COMPUTER NETWORK The computer network (network) is a telecommunication network that allows inter-computer to exchange data. The purpose of the computer network is in order to achieve its goals, every part of the computer network can request and provide services (service)
KINDS OF INTERNET NETWORK MAN (Metropolitan Area Network) Greater reach than LAN network, which is a maximum of 10 s.d. 50 kilometers Internet (Interconnected Network) Internet is a computer network that has a reach to all corners of the world. Wireless This network is the most practical because it does not require cable. LAN (LocalAreaNetwork) This network has a coverage location that is only 100 meters away. WAN (Wide Area Network) WAN network is a computer network that has intercontinental reach, by crossing the country's geographic boundaries and public property.
INTERNET AND INTRANET The Internet (short for interconnection-networking) is an entire network of interconnected computers using the global standard Transmission Control Protocol / Internet Protocol Suite (TCP / IP) system as a packet switching communication protocol to serve billions of users around the world. An intranet is a private network that uses internet protocols (TCP / IP), to share confidential company information or operations within the company to its employees
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