A set of rules directing the transmission of data between multiple devices

The internet is a system designed to transfer information physically.

The internet is similar to a mailbox system

Instead of delivering letters, the internet delivers information in bits.

A bit has only two possible values.

1024 kilobytes equal 1 megabyte.

Song size in megabytes

A song is made using 3 to 4 megabytes (MB).

Operators use 0 and 1 to communicate by turning lights on and off.

Timer in communication

A timer helps the sender and receiver communicate better when turning lights on/off.

Sending one bit per second

Turn it to 0 at one point and 1 at another point.

Increasing bit transmission speed

Increase the bandwidth to send more bits per second.

Bandwidth measurement

Measured by bit rate, the number of bits sent over time.

Light in data transmission

Used to send bits faster over long distances with no signal loss.

Used to send bits through light.

Expensive and hard to work with

Characteristics of certain communication technologies

Short range, sends wirelessly, uses radio signals to send bits, translates binary messages to radio waves, connects wireless router to physical router

We can make various place patterns; rules for accuracy involve following a pattern using math and ordering objects

Consists of 0s and 1s; encoding using place values is harder than the 10-number system

A simplified representation of something complex, allowing you to hide details, manage complexity, focus on relevant concepts, and reason about problems at a higher level.

American Standard Code for Information Interchange

Internet Engineering Task Force

Develops and promotes voluntary Internet standards and protocols, particularly the standards that comprise the Internet protocol suite (TCP/IP).

The principle that all Internet traffic should be treated equally by Internet Service Providers.

Purpose of Learning How the Internet Works

Helps make informed choices about government decisions on Internet access and privacy.

Vint Cerf's Statement

"The Internet is for Everyone..."

A number assigned to any item connected to the Internet.

A small block of information formed from a larger block sent over a network.

Internet Communication Before the 1980s

Communication over the Internet was not possible.

Vint Cerf and Bob Kahn's Contribution

Created Internetworking protocol to allow communication on the Internet.

Connection Process of a Laptop or Phone

Connects to Wi-Fi, then to an ISP, and finally to billions of devices worldwide.

The Internet is a design philosophy and an architecture connected to protocols.

This describes the foundational concept of the Internet.

Each device using the Internet has a unique address consisting of numbers.

This unique address is essential for identifying devices on the network.

IP stands for Internet Protocol Address.

This is the standard used for identifying devices on a network.

An IP address has many parts, each represented in bits.

These parts help in routing and identifying devices.

Traditional IP addresses are 32 bits long.

This length allows for a limited number of unique addresses.

IPv4 has 4 billion unique addresses.

This is the maximum number of addresses available in IPv4.

IPv6 is advanced with 340 undecillion unique IP addresses.

This significantly expands the number of available addresses.

DNS associates website names with an IP address directing the computer to a specific website.

This system simplifies the process of accessing websites.

Multiple groups of DNS servers exist, such as .com, .org, .net.

These groups help in managing domain names.

Computer Science Terminology Flashcards

Student preview

99 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Innovation

Back

A new or improved idea, device, or product

2.

FLASHCARD QUESTION

Front

Binary

Back

Number system that only uses the digits 1 and 0

3.

FLASHCARD QUESTION

Front

Bit

Back

Short for "binary digit"; the single unit of information in a computer

4.

FLASHCARD QUESTION

Front

Binary Question

Back

A question with only two options or answers (e.g., yes or no)

5.

FLASHCARD QUESTION

Front

Bandwidth

Back

Transmission capacity measure by bit rate

6.

FLASHCARD QUESTION

Front

Bit Rate

Back

The number of bits that are conveyed or processed per unit of time (e.g., 8 bits/sec)

7.

FLASHCARD QUESTION

Front

Latency

Back

Time it takes for a bit to travel from its sender to its receiver

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