INTRODUCTION TO IT EXAMS ACTUAL TEST
PAPER 2026 COMPLETE QUESTIONS AND
ANSWERS GRADED A+
◉ IT Professional Roles. Answer: Administration and Support
◉ System Administrator. Answer: Maintains all aspects of the system
including hardware, software, and programming.
◉ Network Administrator. Answer: In charge of all aspects of the
computer network
◉ Database Administrator. Answer: Focuses on the design,
development, and support of database management systems
(DBMSs).
◉ Security Administrator. Answer: Installs, configures, and
administers firewall security to protect systems and proactively
work to stop intrusions.
◉ Web Administrator. Answer: Installs, configures, maintains,
secures, and troubleshoots web severs.
,◉ Support IT Professionals. Answer: Help desk and training.
◉ Information. Answer: Processed data.
◉ DIKW Hierarchy. Answer: Defines the transition of data to
information from knowledge to wisdom. (Data Information
Knowledge Wisdom)
◉ Data in DIKW. Answer: The input directly received by the user (or
computer). It is generally not usable until it has been converted into
a relevant form.
◉ Information in DIKW. Answer: Having been inferred from data;
one or more processes have been applied to the data to transform it
into a more useful form.
◉ Knowledge in DIKW. Answer: 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.
◉ Wisdom in DIKW. Answer: Provides a social setting to knowledge;
an understanding of the "why". Can only come by having both
knowledge and experience.
,◉ Information Systems. Answer: A collection of data and
information used to support the management of an organization.
Also refers to the technical components and human resources that
enable the assembly, storage, and processing of data and the delivery
of information. This has existed for a lot longer than computers.
◉ Characteristics of Quality Data. Answer: Relevance - the data
being used must apply directly to the decision being made
Timely - data must be efficient and must be provided in a timely
manner
Thorough - the data must be complete
Accurate - data should be captured only once, where possible and
should be captured as close to the point of activity as possible.
Reliable - data should reflect stable and consistent data collection
processes across collections points and over time
◉ IPOS. Answer: The Input-Procession-Output-Storage Cycle
◉ Input. Answer: Raw data is entered by the user.
, ◉ Processing. Answer: Raw data is organized or structured for
usefulness.
◉ Output. Answer: Information is output so user can see results.
◉ Storage. Answer: Processed information is stored for permanent
record.
◉ Computer System. Answer: A collection of components that work
together to meet the needs of the user; typically categorized as
either hardware, software, networks, or users.
◉ Hardware. Answer: Physical components of a computer system
which include the system unit and its components and peripheral
devices; tangible aspects of the computer.
◉ Software. Answer: Computer programs that tell the computer
what to do--how to execute commands and process information
◉ Network. Answer: A collection of computers and resources
connected by various media so that they can communicate with each
other.
◉ User. Answer: Those who use a computer.
PAPER 2026 COMPLETE QUESTIONS AND
ANSWERS GRADED A+
◉ IT Professional Roles. Answer: Administration and Support
◉ System Administrator. Answer: Maintains all aspects of the system
including hardware, software, and programming.
◉ Network Administrator. Answer: In charge of all aspects of the
computer network
◉ Database Administrator. Answer: Focuses on the design,
development, and support of database management systems
(DBMSs).
◉ Security Administrator. Answer: Installs, configures, and
administers firewall security to protect systems and proactively
work to stop intrusions.
◉ Web Administrator. Answer: Installs, configures, maintains,
secures, and troubleshoots web severs.
,◉ Support IT Professionals. Answer: Help desk and training.
◉ Information. Answer: Processed data.
◉ DIKW Hierarchy. Answer: Defines the transition of data to
information from knowledge to wisdom. (Data Information
Knowledge Wisdom)
◉ Data in DIKW. Answer: The input directly received by the user (or
computer). It is generally not usable until it has been converted into
a relevant form.
◉ Information in DIKW. Answer: Having been inferred from data;
one or more processes have been applied to the data to transform it
into a more useful form.
◉ Knowledge in DIKW. Answer: 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.
◉ Wisdom in DIKW. Answer: Provides a social setting to knowledge;
an understanding of the "why". Can only come by having both
knowledge and experience.
,◉ Information Systems. Answer: A collection of data and
information used to support the management of an organization.
Also refers to the technical components and human resources that
enable the assembly, storage, and processing of data and the delivery
of information. This has existed for a lot longer than computers.
◉ Characteristics of Quality Data. Answer: Relevance - the data
being used must apply directly to the decision being made
Timely - data must be efficient and must be provided in a timely
manner
Thorough - the data must be complete
Accurate - data should be captured only once, where possible and
should be captured as close to the point of activity as possible.
Reliable - data should reflect stable and consistent data collection
processes across collections points and over time
◉ IPOS. Answer: The Input-Procession-Output-Storage Cycle
◉ Input. Answer: Raw data is entered by the user.
, ◉ Processing. Answer: Raw data is organized or structured for
usefulness.
◉ Output. Answer: Information is output so user can see results.
◉ Storage. Answer: Processed information is stored for permanent
record.
◉ Computer System. Answer: A collection of components that work
together to meet the needs of the user; typically categorized as
either hardware, software, networks, or users.
◉ Hardware. Answer: Physical components of a computer system
which include the system unit and its components and peripheral
devices; tangible aspects of the computer.
◉ Software. Answer: Computer programs that tell the computer
what to do--how to execute commands and process information
◉ Network. Answer: A collection of computers and resources
connected by various media so that they can communicate with each
other.
◉ User. Answer: Those who use a computer.
