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Experiment 2: Identify Common Peripheral Ports, Associated Cables and Their Connectors

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Experiment 2: Identify Common Peripheral Ports, Associated Cables and Their Connectors Computer maintenance and TROUBLESHOOTING (3350701), Semester – 5th Experiment 2: Identify Common Peripheral ports, associated cables and their connectors. Aim To identify Identify Common Peripheral ports, associated cables and their connectors. Objectives After performing this experiment students will be able to: Identify various peripherals ports. Identify different types of cables used in computer. Identify various connectors. Assumptions Students have basic knowledge of English language and Computer Hardware A Computre System Requirement Screw Driver Software Nil Requirement Learning Major Learning outcome of this experiment are: Outcome Identifying Ports, Cables and Connectors THEORY Port The Point at which peripheral attaches to. Communicates with a system unit so that peripheral can send data to or receive information from the computer. Following are the different Types of Ports of Computer System. 1) PS/2 Ports The PS/2 Ports are simple, 6-pin, low-speed serial connections commonly dedicated to a keyboard and mouse. Although these ports may look identical at first glance, they are not interchangeable, so you'll need to be extremely careful to attach the keyboard and mouse to their respective PS/2 port. 2) VGA Mointer Port Video Graphics Array: used to connect the monitor to the computer 3) Parallel Port P a g e | 8 Computer maintenance and TROUBLESHOOTING (3350701), Semester – 5th The parallel port originally started out as a unidirectional (output only) Printers and other devices are said to be either parallel or serial. Parallel means the device is capable of receiving more than one bit at a time (that is, it receives several bits in parallel). Most modern printers are parallel. 4) Ethernet Port A local-area network (LAN) architecture developed by Xerox Corporation in cooperation with DEC and Intel in 1976. It is one of the most widely implemented LAN standards. 5) Video Port Short for Super-Video, a technology for transmitting video signals over a cable by dividing the video information into two separate signals: one for color (chrominance), and the other for brightness (luminance). 6) Monitor Port Short for Digital Visual Interface, a digital interface standard created by the Digital Display Working Group (DDWG) to convert analog signals into digital signals to accommodate both analog and digital monitors. 7) USB Port Universal Serial Bus: a protocol for transferring data to and from digital devices. Many digital cameras and memory card readers connect to the USB port on a computer. USB card readers are typically faster than cameras or readers that connect to the serial port, but slower than those that connect via FireWire. Cable Computers are complex machines consisting of many interconnected parts. While certain computer components plug directly into the motherboard, many computer devices such as hard drives, mice, and digital cameras must be connected to a system using cables or cords. There are many types of cables that can allow devices to connect to a computer. Cable P a g e | 9 Computer maintenance and TROUBLESHOOTING (3350701), Semester – 5th 1 USB Cable 2 Display Port 3 Fire Wire 4 Keyboard and Mouse 5 Parallel Cables 6 Audio Cables 7 Video Cables 8 HDMI Cables 9 eSATA Cables 10 LAN Cable Connector Joins cable and a port. A connector at one end of the cable attaches to a port on a peripheral. Most motherboards have the following connectors: Serial port, which uses a DB9 connector, for connecting older devices; P a g e | 10 Computer maintenance and TROUBLESHOOTING (3350701), Semester – 5th Parallel port, which uses a DB25 connector, mainly for connecting old printers; USB ports (1.1, low-speed, or 2.0, high-speed), for connecting more recent peripherals; RJ45 connector (called the LAN port or Ethernet port), for connecting the computer to a network. It interfaces with a network card built into the motherboard; VGA connector (called SUB-D15), used for hooking up a monitor. This connector interfaces with the built-in graphics card; P a g e | 11 Computer maintenance and TROUBLESHOOTING (3350701), Semester – 5th Jacks (Line-In, Line-Out and microphone), for connecting speakers or a hi-fi sound system, as well as a microphone. This connector interfaces with the built- in sound card Summary 1 - PS/2 mouse 2 - Parallel port 3 - RJ-45 connector 4 - Line in jack 5 - Line Out jack 6 - Microphone jack 7 - USB 2.0 connectors 8 - USB 2.0 connectors 9 - VGA connector 10 - Serial connector 11 - PS/2 Keyboard P a g e | 12 Computer maintenance and TROUBLESHOOTING (3350701), Semester – 5th Conclusions At the end of this experiment students come to knew: QUESTIONS:- Q.1 Define Port. List various ports used in computer _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________ Q.2 List the different types of cables. _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________ Q.3 which connector is used to connect computer to the network? _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________________________________________________________________________________ _____________________ ______________ Signature of Staff P a g e | 13 .
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