Network and tools

• network - consists of two or more computers that are linked in order to share resources
• three basic types of networks

  • LAN
  • WAN
  • WLAN
• Local area network -is a network that is confined to a relatively small area
• Workstations - computers connected to the file server
• LAN cable - are used to connect the network interface card in each computer
• Wide area network - connects larger geographic area
• Hub - is a small, simple, inexpensive device that joins multiple computers together
• Ethernet - is the type traditionally used in home networking
• Ethernet switch - a device that gathers the signals from devices that are connected to it, and then regenerates a new copy
• Bridge

  • a device filters data traffic at a network boundary
  • reduces the amount of traffic on a LAN by dividing it into two segments
• Routers - are small physical devices that join multiple networks together
• Network gateway

  • is an internetworking system capable of joining together two networks that use different base protocols.
  • combination of hardware and software
• Modem - is a contraction of the terms modulator and demodulator
• Networking interface - is a device that connects a client computer, server, printer or other component to your network
• Network firewall - protects a computer network from unauthorized access
• Scanner - it is an input device that read text or illustration printed on paper, translates the information into a form that a computer can use
• Flat screw driver - is used to drive or fasten negative slotted screws
• USB - a hardware interface for low-speed peripherals
• Printer - is a piece of hardware that produces a paper copy of the information generated by the computer
• RAM

  • is a primary memory
  • hold programs and data while it is running
• BIOS - that controls the most basic functions of the computer and performs a self-test every time you turn it
• Flash drive

  • that can retain without electrical power
  • is widely used for BIOS and for digital camera and music storage
• Video camera - camera using a videotape, a camera that records onto the videotape
• Long nose pliers - used for holding bending and stretching the lead of electronics component or connecting wire
• Soldering iron - used to join two or more metal conductors with the support of soldering lead melted around it.
• Desoldering Tool - is used to unsolder unwanted parts or components in the circuit with the support of soldering pencil
• LAN card

  • network interface card
  • that is installed in computer so that it can be connected to a network
• Server - a part of a network, it is a special computer that users on the network can access to carry out a particular job
• Port Hub/ Port - is a connector on the back of a computer or other devices, either a serial or parallel port
• Modem (modulator-Demodulator) a device that allows a given computer to share data or a device which let computers exchange information
• Philips screw driver - is used to drive or fasten positive slotted screws
• LAN tester - This ergonomic tester is designed to test most networking cable wiring can either conduct auto or manual test
• UTP (Unshielded Twisted Pair) - is a popular type of a cable used in computer networking that consist of two shielded wires twisted around each other