SYSTEMS FINAL TEST PAPER 2026
COMPLETE QUESTIONS AND CORRECT
ANSWERS GRADED A+
●● advantages of *objects*.
Answer: - reduced maintenance
- real-world modeling
- improved reliability
- high code re-usability
●● apache HTTP server.
Answer: the most common *web server* today; controls 46% of the
market
●● characteristics of *data quality*.
Answer: accuracy, accessibility, comprehensiveness, consistency,
timelessness, precision, uniqueness, and relevancy
,●● Computer-based information system.
Answer: a complementary network of computer-based hardware or
software used to collect, filter and process data or other relevant
information
●● data cleanup.
Answer: the process of detecting and correcting/removing corrupt or
inaccurate records from a record set, table, or database
●● data dictionary.
Answer: a centralized *repository of information* about data such as
meaning, relationships to other data, origin, usage, and format
(essentially a database about data)
●● data flow diagram.
Answer: a graphical representation of the ¨flow¨ of data through an
information system, modeling its process aspects. Often they are a
preliminary step used to create an overview of the system which can
later be elaborated
●● data modeling.
Answer: process of creating a data model for an information system, by
applying formal data modeling techniques
, ●● data redundancy.
Answer: occurs in database systems which have a field that is repeated
in two or more tables
●● deterrence controls.
Answer: safeguards or countermeasures to avoid, counteract or minimize
security risks relating to personal property, or computer software
●● file management.
Answer: the manipulation of documents and data in files on a computer
●● HTML (hypertext markup language).
Answer: the main markup language for creating web pages and other
information that an be displayed in a web browser; achieves font, color,
graphic, and hyperlink effects on webpages; *static markup language*
●● DHTML (dynamic hypertext markup language).
Answer: an umbrella term for a collection of technologies(4) used
together to create interactive and animated websites; uses a combination
of *static markup language*(HTML), a *client-side scripting language*
(such as JavaScript), a *presentation definition language* (such as CSS),
and the *Document Object Model*