Computer Networking

note!Answer: A) Computer in network
A workgroup is a group of computers connected together in a network that share resources. The option 'All of the above' is not correct because 'Individual user' is not a workgroup.

note!Answer: A) Internet Service Provider
ISP stands for Internet Service Provider, a company that gives users access to the internet.

note!Answer: A) Netscape navigator
Netscape Navigator is a web browser. Windows Explorer is a file manager, Outlook Express is an email client, and google.com is a website, not a browser.

note!Answer: A) Google.com
Google.com is a search engine. Hotmail.com is an email service, and Internet.com and Find.com are not standard search engines.

note!Answer: A) Uniform Resource Locator
URL stands for Uniform Resource Locator, the address of a resource on the web.

note!Answer: A) Hyper Text Mark-up Language
HTML stands for Hyper Text Markup Language, the standard language for creating web pages.

note!Answer: C) Modem
To send and receive email, a computer needs a way to connect to a network/the internet. A modem (or equivalent network interface) provides that connectivity.

A sound card is only for audio input/output and is not required for email.
An AGP card is an older graphics interface and is not required for email.

Therefore the correct choice is C Modem.

note!Answer: D) Internet telephones
Internet telephones are specialized input and output devices used for receiving and sending voice communications over the Internet. They use Internet Protocol (IP) technology to transmit voice signals, allowing people to make and receive calls through an Internet connection.

note!Answer: D) Thin client
A network terminal is also known as a thin client. It is a computer or device that relies mainly on a central server to perform processing tasks, run applications, or store data. It typically has limited local processing and storage capabilities and accesses resources over a network.
Example: A computer in an office that connects to a central server to run applications and access shared files.

note!Answer: C) Intelligent terminal
An intelligent terminal is a terminal that has its own processing capabilities and can perform certain tasks independently. A standard microcomputer (PC) connected to a network is considered an intelligent terminal because it can process data locally while also communicating with other computers on the network.
Example: A desktop computer connected to an office network that can run software, process data, and access shared files on a server.

note!Answer: B) Modem
A modem (Modulator-Demodulator) is a device traditionally used to connect a computer or network to an Internet service provider (ISP). It converts signals into a form suitable for transmission over a communication medium and converts incoming signals back into usable data.
A modem is commonly used in broadband Internet connections, such as cable and DSL services.
Explanation of Other Options
- A. Joystick: An input device used mainly to control games and simulations.
- B. Modem: A communication device used to establish an Internet connection. Correct answer.
- C. CD Drive: A device used to read data from CDs; it does not provide Internet connectivity.
- D. NIC Card: A Network Interface Card allows a computer to connect to a network. It may be needed for a wired or wireless network connection, but a modem is the expected answer in this traditional textbook question.

note!Answer: B) Wide Area Network
WAN is Wide Area Network, a network spanning a large geographic area.

note!Answer: C) 4 pair
An RJ45 UTP cable contains four twisted pairs, i.e., eight wires.

note!Answer: A) Full-duplex
Full-duplex mode allows simultaneous transmission in both directions.

note!Answer: B) Router
Routers connect separate networks together to form an internetwork (internet).

note!Answer: C) Internet
The Internet is a global network that connects many smaller networks together.

note!Answer: A) Browser
Netscape Navigator is a web browser used to view web pages.

note!Answer: B) Outlook express
Outlook Express is an email client used to send and receive email.

note!Answer: D) All of the above
Networks allow sharing of hardware and software and information, which reduces cost.

note!Answer: A) Lynx
Lynx is a text-only web browser that does not display graphics.