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Twisted pair A cable composed of two small insulated conductors twisted together without a common covering. Also known as copper pair. Twisted pair is the ordinary copper wire that connects home and many business computers to the telephone company. To reduce crosstalk or electromagnetic induction between pairs of wires, two insulated copper wires are twisted around each other. Each connection on twisted pair requires both wires. Coaxial Cable  Coaxial cable is the kind of copper cable used by cable TV companies between the community antenna and user homes and businesses.The inner conductor is typically a straight wire, either solid or stranded and the outer conductor is typically a shield that might be braided or a foil. A cable consisting of a conducting outer metal tube that encloses and is insulated from a central conducting core, used primarily for the transmission of high-frequency signals. Also called coaxial line.Fiber Optic Cable  An optical fiber cable is a cable containing one or more optical fiber. The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable will be deployed. Fiber Optic Network Cables including mutlimode and singlemode simplex and duplex fiber optic cable in bulk, FC, MTRJ, SC, ST and LC fiber terminations available in various lengths. Fiber converters also available.
Node  In a network, a node is a connection point, either a redistribution point or an end point for data transmissions. In general, a node has programmed or engineered capability to recognize and process or forward transmissions to other nodes. Client A client is the requesting program or user in a client/server relationship. For example, the user of a Web browser is effectively making client requests for pages from servers all over the Web. The browser itself is a client in its relationship with the computer that is getting and returning the requested HTML file. The computer handling the request and sending back the HTML file is a server.
Server  A server is an application running on a computer that delivers a service. For example, a web server will deliver web pages when requested by a browser. The way a server and a client dialogs is called a protocol. For instance, HTTP is the protocol used between a browser and a web server.Hub  A common connection point for devices in a network. Hubs are commonly used to connect segment of a LAN. A hub contains multiple ports. When a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.
Network Interface Card (NIC)  A network interface card (NIC) is a computer circuit board or card that is installed in a computer so that it can be connected to a network. Personal computers and workstations on a local area network (LAN) typically contain a network interface card specifically designed for the LAN transmission technology, such as Ethernet or Token Ring. Network interface cards provide a dedicated, full-time connection to a network. Most home and portable computers connect to the Internet through as-needed dial-up connection. The modem provides the connection interface to the Internet service provider.
Network Operating System (NOS) Network operating system (NOS) is a computer operating system that is designed primarily to support workstation or personal space older terminal that are connected on a local area network (LAN). Contains components and programs that allow a computer on a network to serve requests from other computer for data and provide access to other resources such as printer and file systems.
Host Computer
Main or controlling computer connected to other computers or terminals to which it provides date or computing service via a network. It is similar to a server. In the modern, every computer is a peer and also a host to every other computer connected to the network. The name reflects the biological relationship between the host and parasites. Network Manager Operation deals with keeping the network up and running smoothly. It includes monitoring the network to spot problems as soon as possible, ideally before users are affected. Administration deals with keeping track of resources in the network and how they are assigned. It includes all the "housekeeping" that is necessary to keep the network under control. Maintenance is concerned with performing repairs and upgrades. Maintenance also involves corrective and preventive measures to make the managed network run "better", such as adjusting device configuration parameters.
Disk Caching  A cache is a temporary storage area where frequently accessed data can be stored for rapid access. A disk cache is a mechanism for improving the time it takes to read from or write to a hard disk. Today, the disk cache is usually included as part of the hard disk. A disk cache can also be a specified portion of random access memory (RAM).
Redundant arrays of inexpensive disks (RAID)  A technology that allow computer users to achieve high levels of storage reliability from low-cost and less reliable PC-class disk-drive components, via the technique of arranging the devices into arrays for redundancy.
File compression and decompression Data compression or source coding is the process of encoding information using fewer bits than an unencoded representation would use, through use of specific encoding schemes.
Magnetic Ink Character Recognition (MICR) Used by the banking industry to facilitate the processing of cheques. The technology allows computers to read information off the printed documents. Printed in special typefaces with a magnetic ink. Used to describe the special numbers and symbols typically seen at the bottom of cheques, and the technology and processes to produce and analyze these characters. Optical-Character Recognition (OCR) Recognition refers to the branch of computer science that involves reading text from paper and translating the images into a form that the computer can manipulate. Enables you to take a book or a magazine article, feed it directly into an electronic computer file, and then edit the file using a word processor. It's a mechanical or electronic translation of images of handwritten, typewritten or printed text. Optical - Mark Recognition (OMR) Process of capturing human-marked data from document forms such as surveys and tests. Technology of electronically extracting intended data from marked fields, such as checkboxes and fill-in fields, on printed forms. Dot-Matrix Printer A type of computer printer with a print head that runs back and forth, or in an up and down motion, on the page and prints by impact, striking an ink-soaked cloth ribbon against the paper, much like a typewriter. Produces characters and illustrations by striking pins against an ink ribbon to print closely spaced dots in the appropriate shape. Plotter
 A device that draws pictures on paper based on commands from a computer. Plotters differ from printers in that they draw lines using a pen. A plotter is a vector graphics printing device to print graphical plots, that connects to a computer. There are two types of main plotters. Those are pen plotters and electrostatic plotters. Photo Printer
 Designed to print high quality digital photos on photo paper. These printers usually have a very high number of nozzles and are capable of printing droplets as small as 1 picoliter. Portable Printer Printer which is compact that could be carried anywhere at any time.
Fax Machine
 Technology used to transfer copies (facsimiles) of documents, especially using affordable devices operating over the telephone network. Can send or receive pictures and text over a telephone line. Fax machines work by digitizing an image and dividing it into a grid of dots. Multifunctional Device Multifunctional devices bring the worlds of copying, printing, finishing, and scanning together, all in one neat, efficient and cost-effective package. Internet Telephone Basic structure of electronic network communications and how Internet communications are different from telephone conversations.
Expansion card An expansion card is a printed circuit board that can be installed in computer to add functionality to it. Also known as an add-on card, internal card or interface adapter. An audio engineer may add a professional sound card to his machine to increase the computer's audio input and output connections. Users that need more Firewire or USB ports can add Firewire or USB expansion cards, which provide additional connections. Inserted into an expansion slot of a computer motherboard to add additional functionality to a computer system. Network interface card
 NIC is also commonly referred to as a network adapter and is an expansion card that enables a computer to connect to a network such as a home network and/or the Internet using a Ethernet cable. Every Ethernet network card has a unique 48-bit serial number called a MAC address, which is stored in ROM carried on the card. Every computer on an Ethernet network must have a card with a unique MAC address. Normally it is safe to assume that no two network cards will share the same address, because card vendors purchase blocks of addresses from the Institute of Electrical and Electronics Engineers (IEEE) and assign a unique address to each card at the time of manufacture.
Cache Memory Cache memory is random access memory (RAM) that a computer microprocessor can access more quickly than it can access regular RAM. As the microprocessor processes data, it looks first in the cache memory and if it finds the data there (from a previous reading of data), it does not have to do the more time-consuming reading of data from larger memory. Cache memory is sometimes described in levels of closeness and accessibility to the microprocessor. Extremely fast memory that is built into a computer’s central processing unit (CPU), or located next to it on a separate chip. Plug & Play  Plug and Play (PnP) is a capability developed by Microsoft for its Windows 95 and later operating systems that gives users the ability to plug a device into a computer and have the computer recognize that the device is there. The user doesn't have to tell the computer. Device specification, which facilitates the discovery of a hardware component in a system, without the need for physical device configuration, or user intervention in resolving resource conflicts. Sockets  Sockets is a method for communication between a client program and a server program in a network. A socket is defined as "the endpoint in a connection." Sockets are created and used with a set of programming requests or "function calls" sometimes called the sockets application programming interface (API). Sockets can also be used for communication between processes within the same computer. Chip (Computer Chips)A computer chip is a small electronic circuit, also known as an integrated circuit, which is one of the basic components of most kinds of electronic devices, especially computers. Computer chips are small and are made of semiconductors that is usually composed of silicon, on which several tiny components including transistors are embedded and used to transmit electronic data signals. They are small size, low cost, high performance and ease to produce.
Slots  An opening in a computer where you can insert a printed circuit board. Slots are often called expansion slots because they allow you to expand the capabilities of a computer. The boards you insert in expansion slots are called expansion boards or add-on boards. In the most easy to understand terms, "ports" are holes used to plug external devices into your computer. They will be found largely in the back of the computer. "Slots" are holes used to plug internal devices (sound/video cards...etc) into your computer. These will be found on the inside of your computer and the devices you pug into the will have "ports" on them which will be able to be accessed from the back of the computer like the other ones. Buslines  Device on a computer's motherboard that provides a data path between the CPU and attached devices (keyboard, mouse, disk drives, video cards, etc.). Like a vehicular bus that stops at designated stations to pick up or drop off riders, a computer bus receives a data signal from the CPU and drops it off at the appropriate device (for example, the contents of a file in RAM are sent, via the bus, to a disk drive to be stored permanently). Conversely, data signals from devices are sent back to the CPU. On a network, a bus provides the data path between the various computers and devices. Serial port A port, or interface, that can be used for serial communication, in which only 1 bit is transmitted at a time. Physical interface through which information transfers in or out one bit at a time (contrast parallel port). Throughout most of the history of personal computers, data transfer through serial ports connected the computer to devices such as terminals and various peripherals. Parallel Port  A parallel port is a type of interface found on computers (personal and otherwise) for connecting various peripherals. It is also known as a printer port or Centronics port. The IEEE 1284 standard defines the bi-directional version of the port. Universal Serial Bus Universal Serial Bus (USB) is a set of connectivity specifications developed by Intel in collaboration with industry leaders. USB allows high-speed, easy connection of peripherals to a PC. When plugged in, everything configures automatically. USB is the most successful interconnect in the history of personal computing and has migrated into consumer electronics (CE) and mobile products. A way of setting up communication between a computer and peripheral devices. Firewire Port  A firewire port is a connection type that is very common in Apple computers, and there are firewire 400s and firewire 800s. Firewire ports are forms of a serial port that make use of FireWire technology to transfer data rapidly from one electronic device to another. FireWire port has the ability to interact with a number of different devices.
HTML - HTML stands for Hypertext Markup Language. HTML is a language for describing web pages. It is not a not a programming language instead it is a markup language. Markup language is markup tags which is to describe web pages. Thus, markup tags are called HTML. Javascript - It is designed to add interectivity to HTML pages. It is a light scripting language. Javascript is normally embedded directly into HTML pages. Javascript does not need a license to use. Applets - A program written in the Java programming language that can be included in a HTML page. It performs one specific task. The applet's code is transferred to your system and executed by the browser's Java Virtual Machine (JVM). Business-to-Consumer E-Commerce - It is also known as B2C which describes an activity of businesses of serving end consumers with products. It is an online transaction that are made between businesses and indivual consumers. Sells products and service through electronic channels directly to the consumer. Consumer-to-Consumer E-Commerce - Also known as C2C or P2P (Peer to peer). It involves transcations between and among consumers. At times it also involves a third party at an online marketplace such as E-Bay. In C2C networks, consumers sell goods and services to other consumers File Transfer Protocol (FTP) - It is a standard internet protocol. The simplest way to exchange files between computers on the Internet. FTP is commonly used to transfer Web page files from the creator to the computer that acts as server for everyone on the Internet. It's also commonly used to download programs and other files from other servers. Filters - A computer program to process digitally encoded coherent signals used to transmit or receive information that is in transmission.
Webmaster - A person who creates a server and responsible at maintaning it. Besides that, marketing, developing and also designing a website. Also called a web architect, web developer and ect. Other duties also include ensuring that the web servers, hardware and software are operating accurately, designing the website, generating and revising web pages, replying to user comment, and examining traffic through the site.
Computer support specialist - They assist users when there is something wrong with their computers. They help to solve and fix the problem.
Technical writer - Write technical materials in a simpler form. A manual produced filled with instructions, how and what. Also known as a professional writer who designs, writes, creates and ect for online help, user guides, system manuals, and other documents. They produce technical documentation for technical, business, and consumer audiences.
Software engineer - Develop, design and test softwares and systems that makes a computer work.
Network administrator - To mantain computer hardware and software that interconnect with computers. They also concentrate on network design and security.
Database administrator -Responsible for performance, intergrity and security of a database. Also include planning, development and troubleshooting.
System analyst - Responsible for studying the problems and needs to determine how people, data, processes, communications and information technology to improve the business.
Programmer - Designs software programs through building logical work flow charts. They write, test, troubleshoot, and maintain the source code for computer programs.
Natasha Aida Abdullah
18 Years old
Taylor's College Petaling Jaya
Twisted pairA cable composed of two small insulated conductors twisted together without a common covering. Also known as copper pair. Twisted pair is the ordinary copper wire that connects home and many business computers to the telephone company. To reduce crosstalk or electromagnetic induction between pairs of wires, two insulated copper wires are twisted around each other. Each connection on twisted pair requires both wires. Coaxial Cable Coaxial cable is the kind of copper cable used by cable TV companies between the community antenna and user homes and businesses.The inner conductor is typically a straight wire, either solid or stranded and the outer conductor is typically a shield that might be braided or a foil. A cable consisting of a conducting outer metal tube that encloses and is insulated from a central conducting core, used primarily for the transmission of high-frequency signals. Also called coaxial line.Fiber Optic Cable An optical fiber cable is a cable containing one or more optical fiber. The optical fiber elements are typically individually coated with plastic layers and contained in a protective tube suitable for the environment where the cable will be deployed. Fiber Optic Network Cables including mutlimode and singlemode simplex and duplex fiber optic cable in bulk, FC, MTRJ, SC, ST and LC fiber terminations available in various lengths. Fiber converters also available.
Node In a network, a node is a connection point, either a redistribution point or an end point for data transmissions. In general, a node has programmed or engineered capability to recognize and process or forward transmissions to other nodes. Client A client is the requesting program or user in a client/server relationship. For example, the user of a Web browser is effectively making client requests for pages from servers all over the Web. The browser itself is a client in its relationship with the computer that is getting and returning the requested HTML file. The computer handling the request and sending back the HTML file is a server.
Server A server is an application running on a computer that delivers a service. For example, a web server will deliver web pages when requested by a browser. The way a server and a client dialogs is called a protocol. For instance, HTTP is the protocol used between a browser and a web server.Hub A common connection point for devices in a network. Hubs are commonly used to connect segment of a LAN. A hub contains multiple ports. When a packet arrives at one port, it is copied to the other ports so that all segments of the LAN can see all packets.
Network Interface Card (NIC) A network interface card (NIC) is a computer circuit board or card that is installed in a computer so that it can be connected to a network. Personal computers and workstations on a local area network (LAN) typically contain a network interface card specifically designed for the LAN transmission technology, such as Ethernet or Token Ring. Network interface cards provide a dedicated, full-time connection to a network. Most home and portable computers connect to the Internet through as-needed dial-up connection. The modem provides the connection interface to the Internet service provider.
Network Operating System (NOS) Network operating system (NOS) is a computer operating system that is designed primarily to support workstation or personal space older terminal that are connected on a local area network (LAN). Contains components and programs that allow a computer on a network to serve requests from other computer for data and provide access to other resources such as printer and file systems.
Host Computer
Main or controlling computer connected to other computers or terminals to which it provides date or computing service via a network. It is similar to a server. In the modern, every computer is a peer and also a host to every other computer connected to the network. The name reflects the biological relationship between the host and parasites. Network Manager Operation deals with keeping the network up and running smoothly. It includes monitoring the network to spot problems as soon as possible, ideally before users are affected. Administration deals with keeping track of resources in the network and how they are assigned. It includes all the "housekeeping" that is necessary to keep the network under control. Maintenance is concerned with performing repairs and upgrades. Maintenance also involves corrective and preventive measures to make the managed network run "better", such as adjusting device configuration parameters.
Disk Caching A cache is a temporary storage area where frequently accessed data can be stored for rapid access. A disk cache is a mechanism for improving the time it takes to read from or write to a hard disk. Today, the disk cache is usually included as part of the hard disk. A disk cache can also be a specified portion of random access memory (RAM).
Redundant arrays of inexpensive disks (RAID) A technology that allow computer users to achieve high levels of storage reliability from low-cost and less reliable PC-class disk-drive components, via the technique of arranging the devices into arrays for redundancy.
File compression and decompression Data compression or source coding is the process of encoding information using fewer bits than an unencoded representation would use, through use of specific encoding schemes.
Magnetic Ink Character Recognition (MICR) Used by the banking industry to facilitate the processing of cheques. The technology allows computers to read information off the printed documents. Printed in special typefaces with a magnetic ink. Used to describe the special numbers and symbols typically seen at the bottom of cheques, and the technology and processes to produce and analyze these characters. Optical-Character Recognition (OCR) Recognition refers to the branch of computer science that involves reading text from paper and translating the images into a form that the computer can manipulate. Enables you to take a book or a magazine article, feed it directly into an electronic computer file, and then edit the file using a word processor. It's a mechanical or electronic translation of images of handwritten, typewritten or printed text. Optical - Mark Recognition (OMR)Process of capturing human-marked data from document forms such as surveys and tests. Technology of electronically extracting intended data from marked fields, such as checkboxes and fill-in fields, on printed forms. Dot-Matrix PrinterA type of computer printer with a print head that runs back and forth, or in an up and down motion, on the page and prints by impact, striking an ink-soaked cloth ribbon against the paper, much like a typewriter. Produces characters and illustrations by striking pins against an ink ribbon to print closely spaced dots in the appropriate shape. Plotter
A device that draws pictures on paper based on commands from a computer. Plotters differ from printers in that they draw lines using a pen. A plotter is a vector graphics printing device to print graphical plots, that connects to a computer. There are two types of main plotters. Those are pen plotters and electrostatic plotters. Photo Printer
Designed to print high quality digital photos on photo paper. These printers usually have a very high number of nozzles and are capable of printing droplets as small as 1 picoliter. Portable Printer Printer which is compact that could be carried anywhere at any time.
Fax Machine
Technology used to transfer copies (facsimiles) of documents, especially using affordable devices operating over the telephone network. Can send or receive pictures and text over a telephone line. Fax machines work by digitizing an image and dividing it into a grid of dots. Multifunctional Device Multifunctional devices bring the worlds of copying, printing, finishing, and scanning together, all in one neat, efficient and cost-effective package. Internet TelephoneBasic structure of electronic network communications and how Internet communications are different from telephone conversations.
Expansion cardAn expansion card is a printed circuit board that can be installed in computer to add functionality to it. Also known as an add-on card, internal card or interface adapter. An audio engineer may add a professional sound card to his machine to increase the computer's audio input and output connections. Users that need more Firewire or USB ports can add Firewire or USB expansion cards, which provide additional connections. Inserted into an expansion slot of a computer motherboard to add additional functionality to a computer system. Network interface card
NIC is also commonly referred to as a network adapter and is an expansion card that enables a computer to connect to a network such as a home network and/or the Internet using a Ethernet cable. Every Ethernet network card has a unique 48-bit serial number called a MAC address, which is stored in ROM carried on the card. Every computer on an Ethernet network must have a card with a unique MAC address. Normally it is safe to assume that no two network cards will share the same address, because card vendors purchase blocks of addresses from the Institute of Electrical and Electronics Engineers (IEEE) and assign a unique address to each card at the time of manufacture.
Cache Memory Cache memory is random access memory (RAM) that a computer microprocessor can access more quickly than it can access regular RAM. As the microprocessor processes data, it looks first in the cache memory and if it finds the data there (from a previous reading of data), it does not have to do the more time-consuming reading of data from larger memory. Cache memory is sometimes described in levels of closeness and accessibility to the microprocessor. Extremely fast memory that is built into a computer’s central processing unit (CPU), or located next to it on a separate chip. Plug & Play Plug and Play (PnP) is a capability developed by Microsoft for its Windows 95 and later operating systems that gives users the ability to plug a device into a computer and have the computer recognize that the device is there. The user doesn't have to tell the computer. Device specification, which facilitates the discovery of a hardware component in a system, without the need for physical device configuration, or user intervention in resolving resource conflicts. Sockets Sockets is a method for communication between a client program and a server program in a network. A socket is defined as "the endpoint in a connection." Sockets are created and used with a set of programming requests or "function calls" sometimes called the sockets application programming interface (API). Sockets can also be used for communication between processes within the same computer. Chip (Computer Chips)A computer chip is a small electronic circuit, also known as an integrated circuit, which is one of the basic components of most kinds of electronic devices, especially computers. Computer chips are small and are made of semiconductors that is usually composed of silicon, on which several tiny components including transistors are embedded and used to transmit electronic data signals. They are small size, low cost, high performance and ease to produce.
Slots An opening in a computer where you can insert a printed circuit board. Slots are often called expansion slots because they allow you to expand the capabilities of a computer. The boards you insert in expansion slots are called expansion boards or add-on boards. In the most easy to understand terms, "ports" are holes used to plug external devices into your computer. They will be found largely in the back of the computer. "Slots" are holes used to plug internal devices (sound/video cards...etc) into your computer. These will be found on the inside of your computer and the devices you pug into the will have "ports" on them which will be able to be accessed from the back of the computer like the other ones. Buslines Device on a computer's motherboard that provides a data path between the CPU and attached devices (keyboard, mouse, disk drives, video cards, etc.). Like a vehicular bus that stops at designated stations to pick up or drop off riders, a computer bus receives a data signal from the CPU and drops it off at the appropriate device (for example, the contents of a file in RAM are sent, via the bus, to a disk drive to be stored permanently). Conversely, data signals from devices are sent back to the CPU. On a network, a bus provides the data path between the various computers and devices. Serial portA port, or interface, that can be used for serial communication, in which only 1 bit is transmitted at a time. Physical interface through which information transfers in or out one bit at a time (contrast parallel port). Throughout most of the history of personal computers, data transfer through serial ports connected the computer to devices such as terminals and various peripherals. Parallel Port A parallel port is a type of interface found on computers (personal and otherwise) for connecting various peripherals. It is also known as a printer port or Centronics port. The IEEE 1284 standard defines the bi-directional version of the port. Universal Serial BusUniversal Serial Bus (USB) is a set of connectivity specifications developed by Intel in collaboration with industry leaders. USB allows high-speed, easy connection of peripherals to a PC. When plugged in, everything configures automatically. USB is the most successful interconnect in the history of personal computing and has migrated into consumer electronics (CE) and mobile products. A way of setting up communication between a computer and peripheral devices. Firewire Port A firewire port is a connection type that is very common in Apple computers, and there are firewire 400s and firewire 800s. Firewire ports are forms of a serial port that make use of FireWire technology to transfer data rapidly from one electronic device to another. FireWire port has the ability to interact with a number of different devices.
HTML - HTML stands for Hypertext Markup Language. HTML is a language for describing web pages. It is not a not a programming language instead it is a markup language. Markup language is markup tags which is to describe web pages. Thus, markup tags are called HTML. Javascript - It is designed to add interectivity to HTML pages. It is a light scripting language. Javascript is normally embedded directly into HTML pages. Javascript does not need a license to use. Applets - A program written in the Java programming language that can be included in a HTML page. It performs one specific task. The applet's code is transferred to your system and executed by the browser's Java Virtual Machine (JVM). Business-to-Consumer E-Commerce - It is also known as B2C which describes an activity of businesses of serving end consumers with products. It is an online transaction that are made between businesses and indivual consumers. Sells products and service through electronic channels directly to the consumer. Consumer-to-Consumer E-Commerce - Also known as C2C or P2P (Peer to peer). It involves transcations between and among consumers. At times it also involves a third party at an online marketplace such as E-Bay. In C2C networks, consumers sell goods and services to other consumers File Transfer Protocol (FTP) - It is a standard internet protocol. The simplest way to exchange files between computers on the Internet. FTP is commonly used to transfer Web page files from the creator to the computer that acts as server for everyone on the Internet. It's also commonly used to download programs and other files from other servers. Filters - A computer program to process digitally encoded coherent signals used to transmit or receive information that is in transmission.
Webmaster - A person who creates a server and responsible at maintaning it. Besides that, marketing, developing and also designing a website. Also called a web architect, web developer and ect. Other duties also include ensuring that the web servers, hardware and software are operating accurately, designing the website, generating and revising web pages, replying to user comment, and examining traffic through the site.
Computer support specialist - They assist users when there is something wrong with their computers. They help to solve and fix the problem.
Technical writer - Write technical materials in a simpler form. A manual produced filled with instructions, how and what. Also known as a professional writer who designs, writes, creates and ect for online help, user guides, system manuals, and other documents. They produce technical documentation for technical, business, and consumer audiences.
Software engineer - Develop, design and test softwares and systems that makes a computer work.
Network administrator - To mantain computer hardware and software that interconnect with computers. They also concentrate on network design and security.
Database administrator -Responsible for performance, intergrity and security of a database. Also include planning, development and troubleshooting.
System analyst - Responsible for studying the problems and needs to determine how people, data, processes, communications and information technology to improve the business.
Programmer - Designs software programs through building logical work flow charts. They write, test, troubleshoot, and maintain the source code for computer programs.
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A cable composed of two small insulated conductors twisted together without a common covering. Also known as copper pair. Twisted pair is the ordinary copper wire that connects home and many business computers to the telephone company. To reduce crosstalk or electromagnetic induction between pairs of wires, two insulated copper wires are twisted around each other. Each connection on twisted pair requires both wires.