DATA STRUCTURES AND ALGORITHMS I 2026
EXAMPREP MASTER REVISION NOTES
◉ Sends files over the network at the request of clients. Responds
over LAN, within one location/site. Support both application
software and data files. Answer: FILE SERVER
◉ Turns a user-friendly domain name, like Google.com, into an
Internet Protocol (IP) address like ((( 70.42.251.42 ))) that
computers use to identify each other on the network. Answer:
Domain Name Server (DNS)
◉ Uses TWO KEYS a public and private key for performing
encryption and decryption Answer: Public Key Encryption
◉ PROVING you are who you say you are which can be done by:
what you know, what you have! Answer: Authentication
◉ TIER WHERE THE USER interface for the system is developed;
SHIELDS THE USER from the underlying logic of the systems as well
as the underlying data structures Answer: Presentation Tier
◉ SYSTEMS DEPLOYMENT Steps 1. System Conversion 2. Final
Documentation 3. End User Training Answer: System Deployment
,◉ CONNECTS MULTIPLES networks together; can be used to directly
connect computers to a network; will relay messages to computers
with APPROPRIATE IP ADDRESS Answer: ROUTER
◉ Requires that data is KEPT secure so that they are not accidentally
provided or obtained by unauthorized users Answer: Confidentiality
◉ Protecting EVERY LAYER that SURROUNDS ((( DATA ))) Answer:
Defense in Depth
◉ Can take on DIFFERENT FORMS depending on the complexity of
the application; in certain instances, it is AN ACTUAL OBJECT that is
an ACTUAL IMPLEMENTATION of the application Answer: THE
MODEL
◉ Creates a subset of the data by reducing the data from multiple
dimensions to one dimension Answer: Slicing Data
◉ The technology used in creating, maintaining, and making
information accessible. Answer: Information Technology
◉ In charge of all aspects of the COMPUTER NETWORKS Answer:
Network Administrator
,◉ Focuses on the design, development, and support of DATABASE
MANAGEMENT systems (DBMSs). Answer: Database Administrator
◉ Installs, configures, maintains, secures, and troubleshoots web
severs Answer: Web Administrator
◉ Processed data. Answer: Information
◉ INFORMATION THAT HAS BEEN PUT TO USE information placed
into a context. Refined information such that the user of the
knowledge is able to call forth only relevant portions of information
when needed. Answer: Knowledge in DIKW
◉ Provides a social setting to knowledge; AN UNDERSTANDING OF
THE ((( WHY ))) Can only come by having BOTH KNOWLEDGE and
EXPERIENCE Answer: WISDOM
◉ The INPUT Processing, OUTPUT, STORAGE Cycle Answer: I.P.O.S.
◉ Raw data is organized or structured for usefulness. Answer:
PROCESSED DATA
, ◉ Information is output so user can see results. Answer: OUTPUT
DATA
◉ Processed information is stored for permanent record. Answer:
STORAGE
◉ A collection of components that work together to meet the needs
of the user; typically : CATEGORIZED AS EITHER HARDWARE,
SOFTWARE, NETWORKS AND USERS Answer: COMPUTER SYSTEM
◉ Physical components of a computer system which include the
system unit and its components and peripheral devices; TANGIBLE
ASPECTS OF THE COMPUTER Answer: HARDWARE
◉ A collection of computers and resources CONNECTED by various
media so that they can COMMUNICATE WITH EACH OTHER. Answer:
NETWORK
◉ Systems Software and Applications Software Answer: SOFTWARE
CATEGORIES
◉ RULES provided by WHICH NETWORKS communicate with each
other Answer: IP PROTOCOL
EXAMPREP MASTER REVISION NOTES
◉ Sends files over the network at the request of clients. Responds
over LAN, within one location/site. Support both application
software and data files. Answer: FILE SERVER
◉ Turns a user-friendly domain name, like Google.com, into an
Internet Protocol (IP) address like ((( 70.42.251.42 ))) that
computers use to identify each other on the network. Answer:
Domain Name Server (DNS)
◉ Uses TWO KEYS a public and private key for performing
encryption and decryption Answer: Public Key Encryption
◉ PROVING you are who you say you are which can be done by:
what you know, what you have! Answer: Authentication
◉ TIER WHERE THE USER interface for the system is developed;
SHIELDS THE USER from the underlying logic of the systems as well
as the underlying data structures Answer: Presentation Tier
◉ SYSTEMS DEPLOYMENT Steps 1. System Conversion 2. Final
Documentation 3. End User Training Answer: System Deployment
,◉ CONNECTS MULTIPLES networks together; can be used to directly
connect computers to a network; will relay messages to computers
with APPROPRIATE IP ADDRESS Answer: ROUTER
◉ Requires that data is KEPT secure so that they are not accidentally
provided or obtained by unauthorized users Answer: Confidentiality
◉ Protecting EVERY LAYER that SURROUNDS ((( DATA ))) Answer:
Defense in Depth
◉ Can take on DIFFERENT FORMS depending on the complexity of
the application; in certain instances, it is AN ACTUAL OBJECT that is
an ACTUAL IMPLEMENTATION of the application Answer: THE
MODEL
◉ Creates a subset of the data by reducing the data from multiple
dimensions to one dimension Answer: Slicing Data
◉ The technology used in creating, maintaining, and making
information accessible. Answer: Information Technology
◉ In charge of all aspects of the COMPUTER NETWORKS Answer:
Network Administrator
,◉ Focuses on the design, development, and support of DATABASE
MANAGEMENT systems (DBMSs). Answer: Database Administrator
◉ Installs, configures, maintains, secures, and troubleshoots web
severs Answer: Web Administrator
◉ Processed data. Answer: Information
◉ INFORMATION THAT HAS BEEN PUT TO USE information placed
into a context. Refined information such that the user of the
knowledge is able to call forth only relevant portions of information
when needed. Answer: Knowledge in DIKW
◉ Provides a social setting to knowledge; AN UNDERSTANDING OF
THE ((( WHY ))) Can only come by having BOTH KNOWLEDGE and
EXPERIENCE Answer: WISDOM
◉ The INPUT Processing, OUTPUT, STORAGE Cycle Answer: I.P.O.S.
◉ Raw data is organized or structured for usefulness. Answer:
PROCESSED DATA
, ◉ Information is output so user can see results. Answer: OUTPUT
DATA
◉ Processed information is stored for permanent record. Answer:
STORAGE
◉ A collection of components that work together to meet the needs
of the user; typically : CATEGORIZED AS EITHER HARDWARE,
SOFTWARE, NETWORKS AND USERS Answer: COMPUTER SYSTEM
◉ Physical components of a computer system which include the
system unit and its components and peripheral devices; TANGIBLE
ASPECTS OF THE COMPUTER Answer: HARDWARE
◉ A collection of computers and resources CONNECTED by various
media so that they can COMMUNICATE WITH EACH OTHER. Answer:
NETWORK
◉ Systems Software and Applications Software Answer: SOFTWARE
CATEGORIES
◉ RULES provided by WHICH NETWORKS communicate with each
other Answer: IP PROTOCOL
