COMP SCI unit 5

Packets

is a small chunk of any kind of data and metadata

TCP- Transmission Control Protocol

lets your computer pretend it has a reliable connection to the other computer

Filtering Data

the process of examining a dataset to exclude, rearrange, or share data according to certain criteria

computing device

a physical object that can run a program, such as computers, tablets, cell phones, and smart sensors

Distributed Computing System

is a form of parallel computing that uses multiple computers

Router

a computer that passes information from one network to another

Classifying Data

means distributing data into groups based on common characteristics

Redundancy

the inclusion of backup elements in case of part fails

Encryption

is the process of encoding data to prevent unauthorized access

Decryption

is the process of converting decoding the data

Asymmetric Ciphers

The use two keys, one for encryption of messages and the other one during decryption

World Wide Web

is a system of linked pages, programs, and files that uses the Internet

Scalability

is the ability of the internet to keep working as it grows

Symmetric Key Encryption

use the same key for both encryption and decryption

Sequential Computing System

operations are performed in order one at a time

Certificate Authority

are organizations that issue digital certificates to verify who owns the encryption keys used for secured communications

Bias

a systematic distortion of a statistical result due to a factor not allowed for in its derivation

Fault Tolerance

is the ability of a system to work around problems

Internet

a computer network that uses open protocols to standardize communication

Multifactor Authentication

an electronic authentication method in which a user is granted access to a website or application only after successfully presenting two or more pieces of evidence to an authentication mechanism

IP address

is a unique number assigned to each device on a computer network

Cleaning Data

is process of making the data uniform without changing its meaning

Router

a computer that passes information from one network to another

Bandwith

is the maximum amount of data that can be sent in a fixed amount of time

Protocol

a set of rules that specify the behavior of a system

Crowdsourcing

the general from for using the Internet to get a lot of people to help to solve a problem

Parallel Computing System

the program is broken into smaller steps, some of which are performed at the same time

Public Key Encryption

uses a pair of keys, the sender uses the public key to encrypt the message, and the receiver uses their private key to decrypt it

computer network

is an interconnected computing system that is capable of sending or receiving data

data pattern

how the data collected can be structured, indexed, and made available for searching