Solutions
How are information technologies used to gain a
competitive advantage? Correct Answers They
are used to analyze and apply Porter's three
strategies and the Five Forces model for
successfully competing in the marketplace
In a ______________________ model, the relationship
between records from a treelike structure. Records
are called nodes, and relationships between
records are called branches. The node at the top is
called the root, and every other node has a parent.
Nodes with the same parents are called twins or
siblings. Correct Answers hierarchical model
In a ________________________________ records can be
accessed in any order, regardless of their physical
location in storage media. This method of access is
fast and very effective when a small number of
records needs to be processed daily or weekly.
Correct Answers random access file structure
In a ________________________________ records can be
accessed sequentially or randomly, depending on
the number being accessed. For small number,
random accessed is used, and for a large number,
sequential access is used. Correct Answers
indexed sequential access method (ISAM)
,In a ________________________________ records in files
are organized and processed in numerical or
sequential order, typically the order in which they
were entered. Correct Answers sequential access
file structure
On average, how long would a mobile cash
transaction take at an ATM?
a) 5 seconds
b) 1 minute
c) 45 seconds
d) 15 seconds Correct Answers d) 15 seconds
The ______________________ model is similar to the
hierarchical model, but records are organized
differently. In this model, each record in the model
can have multiple parent and child records.
Correct Answers Network model
The "Process" Component of information systems
is described as which of the following?
a) The output of an information system
b) To generate the most useful type of information
for making decisions
c) A collection of all relevant data that is organized
in integrated files
d) The input to the system Correct Answers b) To
generate the most useful type of information for
making decisions
, What analyzes an organization, its position in the
marketplace, and how information systems could
be used to make it more competitive which include
buyer power, supplier power, threat of substitute or
services, threat of new entrants, and rivalry among
existing competitors? Correct Answers The Five
Forces Model
What are computers classified based on? Correct
Answers -cost
-memory
-speed
-sophistication
What are the common applications of computers
and information systems? Correct Answers -
Online classes
-Grocery and retail stores
-Banking services
-telecommute
-Smartphones
-Tablets
-Social Networking
-Search engines
-Video-sharing
What are the components of a DBMS? Correct
Answers -database engine
-data definition