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INF1505 EXAM PACK 2023
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- University Of South Africa (Unisa)
INF1505 Latest exam pack questions and answers, perfect for OCTOBER NOVEMBER 2023 exam preparation
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INF1505EXAM PACK
Solutions, Explanations, workings, and references
+27 81 278 3372
,Assignment 1 - Questions & Answers
1. Writing data to a hard drive is an example of a/an ________ operation.
a. retrieval
b. logical
c. storage
d. arithmetic
2. A petabyte is equal to _____ bytes.
a.250
b.240
c.260
d.230
3.
_____ holds data when the computer is off or during the course of a program’s operation.
a. Read-only memory
b. Secondary memory
c. Programmable read-only memory
d. Random access memory
4. An effective financial information system should provide timely, accurate, and integrated
information about the marketing mix, or 4Ps: price, promotion, place, and product.
Select one:
True
False
5. Business _____ provides historical, current, and predictive views of business operations
and environments and gives organizations a competitive advantage in the marketplace.
a. indexing
b. exploration
c .differentiation
d. intelligence
6. Which decision is supported by a manufacturing information system (MFIS)?
a. Determination of portfolio structures
b. Improvement of routing and delivery schedules
c. Monitoring of cost trends
d. Analysis of price changes and discounts
7. In the context of big data, velocity is _________.
a. the value that the collected data brings to the decision-making process
b. the trustworthiness and accuracy of the data
c. the speed with which the data has to be gathered and processed
d. the quantity of transactions, measured in petabytes or exabytes
,8. In designing a management information system (MIS), after defining the system’s
objectives, the next step is to _____.
a. provide information in a useful format
b. integrate the hardware and software components
c. use information for decision making
d. collect and analyze data
9. Tshepitech, an international textile company, uses a database to store data on the
number of products, suppliers, and sales personnel. The process component of the
information system conducts analysis on the data to provide information about sales. Which
can be used by Tshepitech to generate predictions for its next sales period?
a. Estimation graphs
b. Theoretical hypotheses
c. Forecasting models
d. Modeling charts
10. In object-oriented programming, a class __________.
a. is an item that contains data and the procedures that read and manipulate it
b. controls and prioritizes tasks performed by the CPU
c. defines the format of an object
d. uses a series of short codes to represent data or instructions
11. In data warehouses, _____ is information about data-its content, quality, condition, origin,
and other characteristics.
a. raw data
b. big data
c. metadata
d. summary data
12. Which statement is true of a flat file system?
a. It requires very less storage space.
b. Complex requests can be handled easily.
c. Same data can be stored in more than one file.
d. Programs and data are independent.
13. _____, used in object-oriented databases, refers to new objects being created faster and
more easily by entering new data in attributes.
a. Encapsulation
b. Inheritance
c. Counterbalance
d. Fragmentation
14. The _____ stores data types for fields, default values for fields, and validation rules for
data in each field.
a. data dictionary
b. data mine
c. data warehouse d. data smart
, 15. ___ is one of the forces of the Five Forces Model created by Michael Porter.
a. Threat of new entrants
b. Taxable services
c. Government regulations
d. Rivalry among customers
16. A disadvantage of Power BI is that it only accepts data from a single source.
Select one:
True
False
17. In a relational database model, a _____ is a field in a relational table that matches the
primary key column of another table.
a. secondary key
b. domain key
c. foreign key
d. serial key
18. A/an _____ is an interface between a computer and a printer that enables the computer
to transfer multiple bits of information to the printer simultaneously
a. parallel port
b. serial port
c. control unit
d. arithmetic logic unit
19. Which statement is true of big data?
a. It can be efficiently processed and managed by conventional computing methods.
b. It is the result of the exponential growth of data in both public and private organizations
c. It has three dimensions, which are value, density, and uniformity
d. It eliminates unethical actions based on interpretations
20. Which decision is supported by a logistics information system (LIS)?
a. Selecting the best modes of transportation
b. Determining portfolio structures
c. Minimizing capital investment risks
d. Predicting an organization’s future personnel needs
21. Object-oriented programming languages are not tailored to any specific OS or
programming environment.
Select one:
True
False
22. In network-attached storage (NAS), as the number of users increases, its performance
increases.
Select one: True False
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