Which Of These Best Describes The Difference Between Ports And Slots
Posted : admin On 3/31/2022
Dec 04, 2020 It serves as a stopover port, in between the home ports of a particular vessel. Iii) Cargo Ports. As the name suggests, these ports act according to the cargo it manages and the amenities available differ from one port to the other. These are the special ports to handle cargo only. Video Poker Machines – There may be some differences between video poker machines offered on a reservation when compared to commercial casinos. Indian casinos may not spread typical class II machines that are commonly found in Nevada, Atlantic City, and regional commercial gaming markets. Time Division Multiple Access (TDMA) – In this, the bandwidth is shared between multiple stations. To avoid collision time is divided into slots and stations are allotted these slots to transmit data. However there is a overhead of synchronization as each station needs to know its time slot. However, there are certain ones you can expect to find on most desktop computers. Learning how these ports are used will help whenever you need to connect something to your computer, like a new printer, keyboard, or mouse. Watch the video below to learn about the buttons, ports, and slots on a desktop computer.
Wired network vs Wireless network-Difference between Wired and Wireless network types
These are the long slots attached to the motherboard to install DIMM chips on the computer. DIMM stands for Dual Inline Memory Module, which consists of DRAM integrated circuits.
This page compares Wired network vs wireless network and mentionsdifference between wired network and wireless network types.We will understand comparison between these networkswith respect to data communication.
Wired Network
As we know 'wired' is the term refers to any physical medium consisting of cables.The cables can be copper wire, twisted pair or fiber optic.Wired network is used to carry different forms of electrical signals from one end tothe other. Mostly in wired network one internet connection is being taken using T1 line, cable modem or usingany other means. This connection is shared among multiple devices using wired network concept.
EXAMPLEs of wired network: LAN (Local Area Network): This network consists of ethernet cards housed in PCs or laptops.These cards are connected using ethernet cables. The data flows between these cards.For small wired network router is used to connect few number of desktop or laptop computers.In order to increase the network coverage for more number of systems multiple switches and routers areused.
Refer Ethernet network basics➤ for more information.
Wireless Network
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As we know 'Wireless' is the term refers to medium made of electromagnetic waves (i.e. EM Waves) orinfrared waves. All the wireless devices will have antenna or sensors.Typical wireless devices include cellular mobile, wireless sensors, TV remote,satellite disc receiver, laptops with WLAN card etc.Wireless network does not use wires for data or voice communication; it uses radio frequency waves asmentioned above. The other examples are fiber optic communication link and broadband ADSL etc.
EXAMPLES of wireless network:
1. Outdoor cellular technologies such as GSM, CDMA, WiMAX, LTE, Satellite etc.
2. Indoor wireless technologies such as Wireless LAN(or WiFi), Bluetooth, IrDA, Zigbee, Zwave etc.
Refer Wireless system block diagram➤ andCellular wireless communication basics➤ formore information.
Wired network vs Wireless network Difference between Wired network and Wireless network
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Following table compares Wired network vs Wireless network and mentions difference between wired network and wireless network types.
| Specifications | Wired network | Wireless network |
|---|---|---|
| Speed of operation | Higher | lower compare to wired networks,But advanced wireless technologies such as LTE, LTE-A and WLAN-11ad will make itpossible to achieve speed par equivalent to wired network |
| System Bandwidth | High | Low, as Frequency Spectrum is very scarse resource |
| Cost | Less as cables are not expensive | More as wireless subscriber stations, wireless routers, wireless access points and adapters are expensive |
| Installation | Wired network installation is cumbersome and it requires more time | Wireless network installation is easy and it requires less time |
| Mobility | Limited, as it operates in the area covered by connected systems with the wired network | Not limited, as it operates in the entire wireless network coverage |
| Transmission medium | copper wires, optical fiber cables, ethernet | EM waves or radiowaves or infrared |
| Network coverage extension | requires hubs and switches for network coverage limit extension | More area is covered by wireless base stations which are connected to one another. |
| Applications | LAN (Ethernet), MAN | WLAN, WPAN(Zigbee, bluetooth), Infrared, Cellular(GSM,CDMA, LTE) |
| Channel Interference and signal power loss | Interference is less as one wired network will not affect the other | Interference is higher due to obstacles between wirelesstransmitter and receiver e.g. weather conditions, reflection from walls, etc. |
| QoS (Quality of Service) | Better | Poor due to high value of jitter and delay in connection setup |
| Reliability | High compare to wireless counterpart, as manufactured cables have higher performance due toexistence of wired technology since years. | Reasonably high, This is due to failure of router will affect the entire network. |
Tutorials on wired and wireless technologies
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Difference between SC-FDMA and OFDM
Difference between SISO and MIMO
Difference between TDD and FDD
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RF and Wireless Terminologies
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Lesson 4: Buttons and Ports on a Computer
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Introduction
Take a look at the front and back of your computer case and count the number of buttons, ports, and slots you see. Now look at your monitor and count any you find there. You probably counted at least 10, and maybe a lot more.
Each computer is different, so the buttons, ports, and sockets will vary from computer to computer. However, there are certain ones you can expect to find on most desktop computers. Learning how these ports are used will help whenever you need to connect something to your computer, like a new printer, keyboard, or mouse.
Watch the video below to learn about the buttons, ports, and slots on a desktop computer.
Looking for the old version of this video? You can still view it here.
Front of a computer case
Click the buttons in the interactive below to become familiar with the front of a computer.
Back of a computer case
The back of a computer case has connection ports that are made to fit specific devices. The placement will vary from computer to computer, and many companies have their own special connectors for specific devices. Some of the ports may be color coded to help you determine which port is used with a particular device.
Click the buttons in the interactive below to become familiar with the back of a computer.
Other types of ports
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There are many other types of ports, such as FireWire, Thunderbolt, and HDMI. If your computer has ports you don't recognize, you should consult your manual for more information.
Now you try it! Practice connecting the cables with the interactive game below.
Peripherals you can use with your computer
The most basic computer setup usually includes the computer case, monitor, keyboard, and mouse, but you can plug many different types of devices into the extra ports on your computer. These devices are called peripherals. Let's take a look at some of the most common ones.
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- Printers: A printer is used to print documents, photos, and anything else that appears on your screen. There are many types of printers, including inkjet, laser, and photo printers. There are even all-in-one printers, which can also scan and copy documents.
- Scanners: A scanner allows you to copy a physical image or document and save it to your computer as a digital (computer-readable) image. Many scanners are included as part of an all-in-one printer, although you can also buy a separate flatbed or handheld scanner.
- Speakers/headphones:Speakers and headphones are output devices, which means they send information from the computer to the user—in this case, they allow you to hear sound and music. Depending on the model, they may connect to the audio port or the USB port. Some monitors also have built-in speakers.
- Microphones: A microphone is a type of input device, or a device that receives information from a user. You can connect a microphone to record sound or talk with someone else over the Internet. Many laptop computers come with built-in microphones.
- Web cameras: A web camera—or webcam—is a type of input device that can record videos and take pictures. It can also transmit video over the Internet in real time, which allows for video chat or video conferencing with someone else. Many webcams also include a microphone for this reason.
- Game controllers and joysticks: A game controller is used to control computer games. There are many other types of controllers you can use, including joysticks, although you can also use your mouse and keyboard to control most games.
- Digital cameras: A digital camera lets you capture pictures and videos in a digital format. By connecting the camera to your computer's USB port, you can transfer the images from the camera to the computer.
- Mobile phones, MP3 players, tablet computers, and other devices: Whenever you buy an electronic device, such as a mobile phone or MP3 player, check to see if it comes with a USB cable. If it does, this means you can most likely connect it to your computer.
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