Exam Questions and CORRECT Answers
Information Technology - CORRECT ANSWER - technology used in creating and making
information accessible.
IT Professional Roles - CORRECT ANSWER - Administration / Support
System Administrator - CORRECT ANSWER - Maintains system (hardware, software, and
programming)
Network Administrator - CORRECT ANSWER - In charge of the computer network
Database Administrator - CORRECT ANSWER - Focuses on the design, development, and
support of DBMS
Security Administrator - CORRECT ANSWER - Installs/administers firewall security to
protect systems and stop intrusions.
Web Administrator - CORRECT ANSWER - Installs/troubleshoots web severs.
Support IT Professionals - CORRECT ANSWER - Help desk and training.
Information - CORRECT ANSWER - Processed data.
DIKW Hierarchy - CORRECT ANSWER - Data Information Knowledge Wisdom
Data in DIKW - CORRECT ANSWER - The input
(not usable until it converted into a relevant form)
,Information in DIKW - CORRECT ANSWER - inferred from data
data transformed into a useful form by applying 1+ processes
Knowledge in DIKW - CORRECT ANSWER - (Refined) Information placed into a context.
recalling relevant information
Wisdom in DIKW - CORRECT ANSWER - Provides a social setting to knowledge
an understanding of the "why"
knowledge and experience.
Information Systems - CORRECT ANSWER - A collection of data and information that
supports decision making in an organization.
Existed for a lot longer than computers.
Enables data processing and storage them delivering information
Characteristics of Quality Data - CORRECT ANSWER - Relevance - relates directly to
decision being made
Timely - efficient and provided in a timely manner
Thorough - the data must be complete
Accurate - data = captured only once (where possible). Captured as close as possible to the point
of activity
Reliable - stable and consistent over time
IPOS - CORRECT ANSWER - The Input-Procession-Output-Storage Cycle
,Input - CORRECT ANSWER - Raw data is entered by the user.
Processing - CORRECT ANSWER - Raw data is structured for usefulness.
Output - CORRECT ANSWER - Information is output so user can see results.
Storage - CORRECT ANSWER - Processed info stored for permanent record.
Computer System - CORRECT ANSWER - A collection of components working together to
meet the users needs;
hardware, software, networks, users.
Hardware is the
And contains the ____ and ________ - CORRECT ANSWER - Physical components
(tangible)
system unit and peripheral devices
Software contain the 1) 2)that perform this function 3)to accomplish - CORRECT ANSWER -
Computer programs
That tell the computer how to
process information then execute commands
Network is a ____ of _______ and _______
These things communicate with each other by ______ _______ - CORRECT ANSWER - A
collection of computers and resources that communicate with each other by various media
Software Categories - CORRECT ANSWER - Systems Software
Applications Software
, Evolution of Users 1,2,3 - CORRECT ANSWER - First users: engineers who built and
programmed computers
Next: employees who had received specialized training
Today: anyone can be a user.
Protocol is the - CORRECT ANSWER - Rules for computers to communicate by
2 most common protocols - CORRECT ANSWER - TCIP
IP
TCP/IP is required by all ______that _________ - CORRECT ANSWER - Transmission
Control Protocol/Internet Protocol
required of all computers that communicate over the Internet.
Protocol Stack - CORRECT ANSWER - A collection of protocols
EX: TCP/IP
Components of a Computer 1) 2)__&___ 3) - CORRECT ANSWER - CPU, Memory and
Storage, Peripheral Devices
CPU
Executes programs _______
____________ components of computer
AKA the "______" - CORRECT ANSWER - Executes programs' instructions
commands various components in the computer
The "chip"