Shared Flashcard Set

Details

CIS Ch 13
questions for chapter 13
81
Computer Science
Undergraduate 4
12/06/2012

Additional Computer Science Flashcards

 


 

Cards

Term

                 The logical design phase refers to how the tasks are accomplished, including how the components work together and what each component does.

 

Definition
False
Term

Developing new systems in an environmentally sensitive way is becoming less and less an important consideration.

Definition
False
Term
The use of virtual servers can help save energy and space.
Definition
true
Term

                     Vendor proposals are typically evaluated in a two-phase process that includes a preliminary evaluation and a final evaluation.

 

Definition
True
Term

The system specifications are documented in a design report, which is the primary result of systems investigation.

Definition
false
Term

                       Programming and software acquisition, user preparation, and site and data preparation are all part of the system design process.

 

Definition
false
Term

An organization may have to hire and train new IS personnel as part of the effort to implement a new information system.

Definition
True
Term

A parallel start-up involves running the new system for one group of users while the rest of the users still run the old system.

Definition
false
Term

 

                One advantage of using cloud computing is easier management of information systems because everything is in one place on the Internet.

 

 

Definition
True
Term

                        Two advantages of cloud computing are improved security and increased availability of critical applications.

 

Definition
False
Term

                    Security is not an important consideration of logical design but comes later in the systems development process.

 

Definition
False
Term

During physical design, the characteristics of the hardware, software, database, telecommunications, personnel, and procedure and control specifications must be detailed.

Definition
True
Term

                    Many organizations are turning to object oriented development because of its increased flexibility.

 

Definition
True
Term

           Increasingly, organizations are using virtualization to create a cold site that keeps applications and databases available on a virtual computer that can take over if a disaster renders the main information system inoperable.

 

Definition
False
Term

                When a database fails, failover automatically switches applications and other programs that use the database to a redundant or replicated database so these is no interruption of service.

 

Definition
true
Term

The Environmental Protection Agency estimates that a 10 percent cut in data center electricity usage would be enough to power about a million U.S. homes every year.

Definition
True
Term

                 Leasing of computer hardware has the advantage over purchasing in that there is no initial investment of funds and no risk of equipment obsolescence.

 

Definition
true
Term

In executing the Request for Proposal process to acquire hardware or software, the number of vendors considered is low during the preliminary evaluation and then increases as more is learned during the final evaluation.

Definition
False
Term

One of the best approaches to evaluate hardware from different vendors is to rely on each vendor’s published benchmark test results.

Definition
False
Term

Most application software for organizations is developed using internal resources than purchased.

Definition
false
Term

An advantage of buying off-the-shelf software is that you have an opportunity to assess how well it meets your needs before purchasing it.

Definition
False
Term

The commercial off-the-shelf development process involves the use of commonly available products from software vendors, combining the software into a finished system.

Definition
True
Term

The Windows Server operating system provides virtualization tools that allow multiple operating systems to run on a single server.

 

Definition
True
Term

SaaS allows individuals or organizations to access needed software applications over the Internet

Definition
True
Term

           With in-house developed software, the organization has no opportunity to reuse software they developed for another application.

 

Definition
False
Term

In some cases, organizations decide not to install the latest software because the amount of time and money to train employees is too much.

Definition
true
Term

Data preparation may involve the conversion of old data files into a format that can be used by the new system

Definition
true
Term

Unit testing is the testing of the entire system of programs.

Definition
false
Term

                 During the testing phase, if the system testing is completed successfully, no further testing is needed.

 

Definition
False
Term

During unit testing, each program is tested with abnormal data to determine how it will handle problems.

Definition
True
Term

The purpose of system design is to answer the question ____.

Definition

a.

“How will the information system solve a problem?”

 

Term

Environmental design involves systems development efforts that ____.

Definition

c.

result in systems that can be disposed of in a manner that does not negatively affect the environment

 

Term

The first of the systems implementation tasks is ____.

Definition

d.

hardware acquisition

 

Term

The process of readying managers, decision makers, employees, stakeholders, and others for the new system is called ____.

Definition
c) user preparation
Term

The process of physically placing the computer equipment on the site and making it operational is called ____.

Definition
C) installation
Term

A disadvantage of the purchasing of computer hardware is that ____.

 

Definition

there is a risk of equipment obsolescence

 

Term

                     ____ is an evaluation approach that compares systems operating under the same conditions.

 

Definition
B) Benchmark test
Term

A possible benefit of a new system might include ____.

Definition

d.

increased revenues associated with new customers

 

Term

A good contract for new computer equipment should include ____.

 

Definition

a.

 a dispute resolution process if something goes wrong

b.

ownership and property rights of the new or modified system

c.

contingency provisions in case something does not work as expected

d.

all of the above

D) ALL OF THE ABOVE

 

Term

From the purchaser’s perspective, a vendor’s standard contract for purchase of new computer hardware or software _____.

Definition

c.

should  include details from the RFP specifying what is expected from the vendor

 

Term

A key system design tasks is____.

 

Definition
D) DEVELOP AN RFP
Term

Virtualization ____.

Definition

a.

introduces important implementation considerations including security and backup procedures

 

Term

                    Called “on demand” computing, this approach requires an organization to ____.

 

Definition

b.

pay only for the computer power it uses

 

Term

                When purchasing computer-related equipment via Internet auction, companies can ____.

 

Definition

b.

frequently purchase equipment at a 20 to 30 cents on the dollar

 

Term

In comparing the pros and cons of developing application software with internal resources versus buying off-the-shelf software, an advantage of off-the-shelf is ____.

Definition

c.

the lead time to implement the software is greatly shortened

 

Term

An advantage of in-house developed software is ____.

Definition

a.

meeting user and organizational requirements without customization

b.

greater potential for providing competitive advantage

c.

increased flexibility in terms of customization and change

d.

all of the above

 

Term

User documentation ____.

 

Definition

d.

shows how the program can and should be used

 

Term

Site preparation can include ____.

Definition

c.

installing special wiring and air conditioning

 

Term

                  Installation of computer equipment typically involves this action ____.

 

Definition

a.

someone from the customer’s organization oversees the manufacturer as the equipment is installed

b.

once the equipment is installed, someone performs several tests to ensure everything is working properly

c.

the contract should be used to ensure that all equipment is delivered and installed

d.

all of the above

D) ALL OF THE ABOVE

 

Term

The testing of all related systems together is called ____.

Definition

d.

integration testing

 

Term

                 ____ testing involves testing an incomplete or early version of the system

 

Definition

d.

Alpha

 

Term

The ____ approach is a form of system start-up that involves running the new system for one group of users, rather than all users.

Definition
B) pilot start-up
Term

A legacy system ____.

 

Definition

a.

is an old system that may have been patched or modified repeatedly over time

 

Term

A slipstream upgrade to a system ____.

Definition

c.

can create entirely new bugs

 

Term
A combination of tools needed for programming with a programming language in one integrated package is called ____.
Definition

 

c.

an integrated development environment

 

Term

The design of a new system is broken into two phases, ____________________ design and physical design.

Definition
logical
Term

When following the object-oriented design approach, you might want to design the sequence of events for performing some process.  The event sequence is also called a(n) ____________________.

Definition
scenario
Term

The ____________________ is a document used to communicate an organization’s needs for hardware, software, or database systems to one or more vendors.

 

Definition
The Request For Proposal
RFP
Term

____________________ allows businesses to subscribe to Web-delivered application software by paying a monthly service charge or a per-use fee.

 

Definition
Software as a Service
SaaS
Term

When start-up is finished, the system is ____________________.

 

Definition

fully operational

Term

           One system start-up approach, known as ____________________ involves stopping the old system and starting the new system on a given data.

 

Definition

direct conversion

Term

A(n) ____________________ requiring identification numbers, passwords, and other safeguards is available with most systems to improve security and unauthorized use.

Definition

sign-on procedure

Term

When users want to know more about a program or feature or what type of response is expected, they can activate the ____________________ of the system.

Definition
help facility
Term

The process of anticipating and planning for disasters is called ____________________.

Definition
disaster planning
Term

A duplicate, operational hardware system that is ready for use is an example of a ____________________.

Definition
hot site
Term

            Whenever an application is run, an ____________________ is created that contains all changes to all files.

Definition
image log
Term

____________________ are rules and procedures to maintain data security.

 

Definition
System Controls
Term

____________________ is an evaluation approach that involves expressing all the costs and benefits of a new system in monetary terms.

Definition
Cost/benefit analysis
Term

Near the end of the design stage, some organizations prohibit further changes in the design of the system in an approach called ____________________ design specifications.

Definition
freezing
Term

A technical description that details system outputs, inputs, and user interfaces as well as all hardware, software, databases, telecommunications, personnel, and procedure components is contained in the ____________________ report.

Definition
design
Term

A(n) ____________________ is a company that offers hardware, software, telecommunications systems, databases, IS personnel, or other computer-related resources.

Definition
IS vendor
Term

The _______________ decision is whether to obtain the necessary software from internal or external sources.

Definition
make or buy
Term

____________________ allows businesses to subscribe to Web-delivered application software by paying a monthly service charge or per-use fee.

Definition
software as a service
Term

The ____________________ software development technique allows programmers to develop programs that can run on computer systems that have different hardware and operating systems.

Definition
cross-platform
Term

A(n) ____________________ combines the tools needed for programming with a programming language into one integrated package.

Definition

integrated development environment

 

Term

____________________ is a set of written details used by computer operators to execute the program and by analysts and programmers to solve problems or modify programmers.

Definition
technical documentation
Term

____________________ is the process of readying managers, decision makers, employees, other users, and stakeholders for the new system

Definition
user preparation
Term

The location of the new system needs to be made ready, a process called ____________________.

Definition
site preparation
Term

Acceptance testing involves conducting any additional testing required by the ____________________.

Definition
user
Term

____________________ is a formal agreement the user signs stating that a phase of the installation or the complete system is approved.

Definition

User acceptance document

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