VCAA Computer Science

VCAA Computer Science

Member since
@vcaa_cs-

The Victorian Curriculum and Assessment Authority (VCAA) is a global education leader which provides high quality curriculum and assessment for a number of study designs, including the Victorian Certificate of Education (VCE) curriculum. Algorithmics and Applied Computing questions and tests are managed by N7 Education.

A Picture Is Worth a Thousand Words
Multiple Choice1 MarkCommunity
Chiara is developing a software solution and would like to communicate to her colleagues the data that will go in and out of the system. Which one of the following types of diagrams would be most appropriate for Chiara to use?
(a).
a context diagram
(b).
a network diagram
(c).
a use case diagram
(d).
a data flow diagram
3230
VCAA Computer Science
Hey Siri
Multiple Choice1 MarkPremium
Francisca is integrating voice commands into an existing application. Which one of the following is not an affordance consideration?
(a).
including a list of standard voice commands
(b).
providing appropriate aural signifiers to confirm perceived functionality
(c).
providing appropriate visual signifiers to indicate the presence of voice control
(d).
offsetting development costs elsewhere to ensure the application remains affordable
1213
VCAA Computer Science
Gigabit Gallop
Multiple Choice1 MarkPremium
Sergei wants to transfer his completed video project from his desktop to his laptop. The file size is 4 GB. What is the time difference between copying Sergei’s file using a cable at 5 Gbps and using his wi-fi network at 3.5 Gbps, correct to the nearest second?
(a).
Cable is 3 seconds faster.
(b).
Wi-fi is 6 seconds faster.
(c).
Cable is 3 seconds slower.
(d).
Wi-fi is 9 seconds slower.
5171
VCAA Computer Science
Fingerprinting Money
Multiple Choice1 MarkPremium
The designers of a new banking app believe that new clients should not only enter their client number and password but also a verification code, and scan one of their fingerprints to sign into their account. This security measure is best described as
(a).
general authentication
(b).
two-factor authentication
(c).
multi-factor authentication
(d).
single-factor authentication
1132
VCAA Computer Science
Eff(icient|ective)
Multiple Choice1 MarkShared
When developing criteria for evaluating the efficiency and effectiveness of a software solution, the most important consideration is that
(a).
the software solution is new and innovative.
(b).
programs will be tested to ensure that they are free of bugs
(c).
the requirements and constraints documented in the software requirements specification (SRS) will be met.
(d).
programs will be tested to ensure that they run with appropriate time efficiency.
4120
VCAA Computer Science
Multiple Choice1 MarkPremium
Lenny connects to the internet via a public unsecured wireless network to shop online. He creates a new account at a store and makes a purchase with a new credit card that has never been used. Later that day, he discovers unauthorised transactions on his credit card. What has happened to Lenny may be an example of
(a).
a data breach.
(b).
social engineering.
(c).
cross-site scripting.
(d).
a man-in-the-middle attack.
2200
VCAA Computer Science
Multiple Choice1 MarkPremium
Which one of the following statements best describes a characteristic of the associative array data structure?
(a).
Associative arrays have integer indexes.
(b).
Elements stored in associative arrays are ordered.
(c).
Elements of associative arrays are composed of key value pairs.
(d).
Associative arrays are used when several different data types need to be stored together as a field.
3291
VCAA Computer Science
Multiple Choice1 MarkPremium
The best sequence of tests when validating data is
(a).
type, existence then range.
(b).
range, existence then type.
(c).
range, type then existence.
(d).
existence, type then range.
4462
VCAA Computer Science
Multiple Choice1 MarkPremium
Consider the following incomplete data dictionary for the design of a security system’s software solution.
Question Image
The data types for ‘door_closed’ and ‘accessed’ are respectively
(a).
Boolean and integer.
(b).
character and integer.
(c).
Boolean and floating point.
(d).
character and floating point.
4400
VCAA Computer Science
Multiple Choice1 MarkPremium
[5, 6, 2, 11, 3, 0, 8] How many swaps will a selection sort algorithm carry out on the array above?
(a).
3
(b).
5
(c).
7
(d).
11
3470
VCAA Computer Science
Multiple Choice1 MarkPremium
To assess the effectiveness of a project plan, one should assess the project plan
(a).
against the project’s scope and timeline.
(b).
by applying relevant usability testing strategies.
(c).
by applying relevant software auditing strategies.
(d).
against the evaluation criteria developed in the design stage.
0170
VCAA Computer Science
Multiple Choice1 MarkPremium
A characteristic of an efficient software solution includes the
(a).
usability of the solution.
(b).
speed of processing.
(c).
accuracy of a calculation.
(d).
readability of a screen layout.
0420
VCAA Computer Science
Multiple Choice1 MarkPremium
Which one of the following would be considered an information system goal?
(a).
to decrease the time taken to create resupply orders by 50%
(b).
to identify three low-selling products to highlight for sales each month
(c).
to improve communication with customers by cutting the time taken to reply to within 24 hours
(d).
to manage accounts with suppliers more efficiently by using a digital warehouse system
0141
VCAA Computer Science
Short Answer4 MarksPremium
State two purposes of using internal documentation when programming. For each purpose, explain how a naming convention would be useful.
[4]
4410
VCAA Computer Science
Extended Response6 MarksPremium
A software development company wants to test the usability of an application it is developing that will connect senior citizens with local council services.
(a).
State the purpose of usability testing and explain how it is different from functional testing.
[2]
(b).
To save money, the company is considering conducting usability testing using its own employees. Explain why this is not a good idea
[2]
(c).
The landing page of the application will have the following menu
[2]
Question Image
Suggest one method that could be used to gather qualitative data and one method that could be used to collect quantitative data when conducting usability testing on this landing page.
Sourced: VCE Applied Computing, Software Development 2022 Exam - Section B, Question 5
11931
VCAA Computer Science
Multiple Choice1 MarkPremium
A functional requirement for a software solution that collects the contact details of customers who dine at a restaurant could be
(a).
saving customer data to a file.
(b).
that the solution can be used on multiple devices.
(c).
that the solution can fail to take an order no more than once a month.
(d).
that the restaurant’s customers should be able to easily enter their details into the solution.
7461
VCAA Computer Science