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WorksheetsApplied Computing Unit 1 and 2 Exam Prep
Total questions: 22
Worksheet time: 16mins
Qualitative data is composed of:
opinions
primary data.
measurable facts.
data obtained from observation.
How are data and information related?
Information is processed into data
Data is processed into information
Only quantitative data can be turned into information
Information is harder than data for humans to understand
A LAN is a Computer Network thats connects computers within a ______(choose two)
Limited area
Building
Country
Across different cities
One disadvantage of wireless networking is:
security
its flexibility
the need to lay cables
the massive area it can cover
What is produced during the analysis stage of the development of a software solution?
a list of constraints
evaluation criteria
a testing table
a website
In project management, a milestone:
measures how long a project has been running
is inserted at the beginning of every task
marks the end of the project
is a point of major progress
_______is the practice of making Web sites usable by people of all abilities and disabilities.
Accessibility
Usability
Readability
Disability
Efficiency is
being fast
a measure of quality
the same as effectiveness
a measure of how much time, money, and effort are needed
The evaluation stage of the problem-solving methodology differs from testing because
testing checks that the system works, while evaluation checks that it is achieving its goals.
testing checks that data is accurate, while evaluation checks that the system works.
testing is carried out by developers, while evaluation is conducted by the client.
hardware is tested, while the software is evaluated.
Francine is developing a software solution that will be installed on a mobile phone. She wants the solution to control her sound system; in particular, the volume, bass, and treble levels. She insists on these levels being manipulated using sliding bars as that type of user interface is what she is most familiar with. The use of the sliding bars should be discussed under which aspect of Francine’s solution requirements?
Scope
Project plan
Functional requirements
Non-functional requirements
An emerging technology is most accurately described as
technology that is superior to other products on the market.
technology that could make a significant change in society.
a new technology that has just been released.
recently installed technology.
3
6
10
18
It will be different each time you run it
Assistive Technology is meant to ...
give an advantage to persons with disabilities over others.
improve or maintain the capabilities of a person with a disability
highlight the capabilities of a person with a disability
limit the capabilities of a person with a disability
An unauthorised individual makes changes to some of the data in a software solution after its creation. Which measure of effectiveness does this potentially violate?
Authenticity
Timeliness
Relevance
Clarity
An example of a non-technical constraint is
hard disk space.
compatibility with an operating system.
bandwidth
the need to obey certain laws.
You are developing an application to burn Blu-ray discs. A requirement of the application that you would consider ‘out of scope’ would be that the application
can write to discs made by different manufacturers.
is easy to use.
has an entertaining interface.
works reliably.
Maryam is writing some validation code within her software solution to check the number of characters entered into a particular field. Her validation rule returns True if there are four characters, and False if there are not. This type of validation is referred to as
type checking.
range checking.
format checking.
existence checking.
Which is the most appropriate choice to evaluate the effectiveness of a system?
Using a stopwatch to measure how long the system takes to finish a computation.
Interviewing the system’s users to ask them whether they think it is easy to use.
Using validation techniques to prevent the entry of inaccurate data.
Counting the number of worker hours the system has consumed over three months.
Fatima is evaluating a solution that was put in place six months ago. As part of her evaluation, she is seeking subjective opinions from users. The type of data collected to help her evaluation could include
user opinions and attitudes.
measurable data and personal judgments.
fact-based data and emotional judgments.
measurable data and error logs.
One key difference between a router and a switch is
a router uses MAC addresses to send packets, while a switch uses IP, IPX or Appletalk addresses.
a router connects computers via wired connections, while a switch connects computers via wireless connections.
a switch connects computers within a network, while a router connects multiple networks together.
routers are most often used in large networks, while switches are only suitable for small networks.
Wayne is installing network cable in his computer room. He is using a cable that contains two separate insulated copper wires. The type of cabling Wayne is using is
coaxial cable
twisted pair cable
fiber optic cable
Saoirse has written a mobile application for her local sports center. The application allows a user to place their mobile phone against any of the exercise machines in the center so that they can log in and track their usage. The communication technology that Saoirse has likely used is
Microwave
Bluetooth
NFC
Wi-Fi
