Summary, Chapter 4, Systems Analysis and Design in a Changing World - Systems Analysis and Design (istn211)
ICT2621 EXAM PACK 2023
ICT2621 EXAM PACK 2023
All for this textbook (8)
Written for
University of South Africa (Unisa)
Structured Systems Analysis and Design (ICT2621)
All documents for this subject (15)
Seller
Follow
VarsityC
Reviews received
Content preview
ICT2621
EXAM PACK
Solutions, Explanations, workings, and references
+27 81 278 3372
, ICT2621
Exam 2021
60 Questions
1. Identify a typical example of a system requirement for the input category.
a. Response time must not exceed four seconds.
b. The system must provide logon security at the operating system level and at
the application level.
c. As a final step in year-end processing, the payroll system must update
employee salaries, bonuses, and benefits.
d. Student grades must be entered on machine-readable forms prepared by the
instructor.
2. Structured analysis is called a(n) ______ technique because it focuses on processes
that transform data into useful information.
a. Iterative
b. Inferred
c. Model-specific
d. Process-centred
3. In a(n) ____ structure, which is usually based on interpersonal relationships, some
people have more influence or knowledge than appears on an organisation chart.
a. Open-ended
b. Informal
c. Spontaneous
d. Unstructured
4. A _____ described the information that a system must provide.
a. Data model
b. Process model
c. Business model
d. Network model
5. Agile methods typically use a(n) ____, which represents a series of iterations based
on user feedback.
a. Extreme model
b. Incremental model
c. Spiral model
d. Evaluative model
,6. The ____ is a top-down representation of a process.
a. Functional decomposition diagram (FDD)
b. Unified Modelling Language (UML)
c. Total cost of ownership (TCO)
d. Rapid Economic Justification (REJ)
7. ____ limitations result when a system that was designed for a specific hardware
configuration becomes obsolete when new hardware is introduced.
a. Accessibility
b. Relationship
c. Performance
d. Feasibility
8. Projects where management has no choice in implementing them are called ____
projects.
a. Concatenated
b. Appended
c. Discretionary
d. Nondiscretionary
9. A ____ shows a logical structure, with all possible combinations of conditions and
resulting actions.
a. Database table
b. Decision table
c. Pseudo table
d. Validation table
10. A(n) ____ uses various symbols and shaped to represent data flow, processing, and
storage.
a. Object model
b. Process flow diagram
c. Data flow diagram
d. Network model
11. ____ is fact-finding technique that can help a systems analyst understand how the
current system is supposed to work.
a. Document review
b. Brainstorming
c. Productivity software
d. A systematic sample
, 12. Transaction processing (TP) systems ____.
a. Simulate human reasoning by combining a knowledge base and inference
rules that determine how the knowledge is applied
b. Provide job-related information to users at all levels of a company
c. Process data generated by day-to-day business operations
d. Include email, voice mail, fax, video conferencing, word processing,
automated calendars, database management, spreadsheets, and integrated
mobile computing systems
13. The term ____ refers to a system’s ability to handle increased business volume and
transactions in the future.
a. Compatibility
b. Scalability
c. Reliability
d. Applicability
14. Which of the following is a typical example of a system requirement for the control
category?
a. The customer analysis system must produce a quarterly report that identifies
changes in ordering patterns.
b. The data entry screens must be uniform, except for background colour, which
can be changed by the user.
c. The warehouse distribution system must analyse daily orders and create a
routing pattern for delivery trucks.
d. The system must maintain separate levels of security for users and the
system administrator.
15. A ____ documents the details of a functional primitive, which represents a specific
set of processing steps and business logic.
a. Primitive description
b. Logical description
c. Function-based description
d. Process description
16. The complete definition of a database, including descriptions of all fields, tables, and
relationships, is called a ____.
a. Framework
b. Schema
c. Cell
d. Viewport
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller VarsityC. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $2.96. You're not tied to anything after your purchase.