Computer Science Test 5 Nddc Scholarship

10Base2, often called Thinnet, implements a physical and logical bus topology. In this setup, all computers are connected to a single continuous coaxial cable. The signals travel along the backbone until they reach the ends, where terminators prevent them from bouncing back and causing interference.

Because the Parallel ATA (IDE) standard allows two devices to share one data cable, you must configure the 'Master/Slave' jumpers. This tells the controller which device has priority and how to address them individually. After setting the jumpers, the drive is physically secured and connected with the ribbon cable.

In a Star topology, all nodes (workstations, printers, etc.) are connected to a central point, such as a switch or server. This is the most common modern layout because a failure in one cable only affects that single device, rather than bringing down the entire network.

The portion of an email address before the '@' symbol is the user ID (or local-part). It uniquely identifies the individual user's mailbox on a specific mail server. The portion after the '@' identifies the domain where that mailbox is hosted.

Electronic mail relies entirely on computer networks (like the Internet) to move data from the sender's device to the recipient's mail server. It uses standardized protocols to ensure that text and attachments are routed correctly across various interconnected systems.

Digital Subscriber Line (DSL) technology allows high-speed digital data transmission over standard copper telephone lines. It operates at frequencies that do not interfere with voice calls, allowing users to browse the internet while simultaneously using their landline telephone.

E-mail (Electronic Mail) is an asynchronous communication method. The message is sent to a server and stays there until the recipient 'picks it up' by logging in. This mimics the postal system's method of delivering mail to a physical mailbox for later retrieval.

An Internet Service Provider (ISP) is the company that provides the connection and infrastructure necessary for a home or business to access the global internet. Examples include telecom companies that provide fiber, cable, or DSL connections.

Internet Service Provider is the standardized term for any organization providing internet access. They act as the gateway between a local network and the vast array of servers and networks that make up the world wide web.

A standard IPv4 address consists of four blocks of numbers, each ranging from 0 to 255 (e.g., 172.16.254.1). These four 'octets' are separated by dots and represent a 32-bit binary number that uniquely identifies a device on a network.