CEN 3721 UPDATED ACTUAL EXAM QUESTIONS CORRECT ANSWERS GRADED A PLUS
CEN 3721 Final EXAM 2026/2027 EXAM Review
FULL Q Questions and Answers Verified Solutions
Latest Update
Question:
(Lecture 9: Usability Testing) What are some qualities of usability objectives?
Answer:
1. They were created during user/task analysis and product scoping 2. They must be measurable 3.
Should indicate: Type of user, Task to be performed, and specific performance criteria
Question:
(Lecture 9: Usability Testing) Good usability is indicated by?
Answer:
1. Ease of learning - How fast can a novice learn to accomplish basic tasks? 2. Efficiency of use-
How fast can an experienced user accomplish tasks? 3. Easy to remember - can a user remember
enough to use it effectively the next time? 4. Error frequency and severity - How often do users
make errors, how serious are these errors, and how do users recover from these errors? 5. Subjective
satisfaction - How much does the user like using the system?
Question:
(Lecture 9: Usability Testing) Creating the test plan is basically
Answer:
Explaining what you are testing and how you will conduct the test
Question:
(Lecture 9: Usability Testing) What are the 6 things to consider when creating the test plan?
Answer:
,1. Purpose 2. Problem Statement/Test Objectives 3. User profile 4. Method 5. Task List 6. Test
Environment/Equipment
Question:
(Lecture 9: Usability Testing) What are the 4 basic participant documents?
Answer:
1. Consent form 2. Entrance questionnaire 3. Task based questionnaire 4. Exit questionnaire
Question:
(Lecture 10) What is a graphical input device (GID)?
Answer:
It is a mechanism for communicating information.
Question:
Interpret this notation sequence: Shift↓n Control ↓ k Shift ↑ w Control
Answer:
1. Press & hold shift 2. tap n 3. press and & hold control (while shift is still pressed) 4. tap k 5.
release shift 6. tap w 7. release control
Question:
(Lecture 10) What is a mode?
Answer:
It is the system's current state that is manifested by how an interface responds to a gesture.
Question:
(Lecture 10) What is a gesture?
Answer:
, It is a sequence of human actions completed as a set
Question:
(Lecture 10) What is chunking?
Answer:
It is combining a sequence of actions into a gesture.
Question:
(Lecture 10) What are some problems with modes?
Answer:
1. Toggle can be problematic 2. Caps lock key: how do you know when it is on? 3. How much of a
problem is this?
Question:
(Lecture 10) What 3 ways does Norman list to minimize mode errors?
Answer:
1. Do not have modes 2. Ensure that mods are distinctly marked 3. Ensure that the commands
required by different modes are not the same, so that a command issued in the wrong mode will not
lead to problems
Question:
(Lecture 10) What is the range of a gesture?
Answer:
The set of states in which a gesture(s) has a particular interpretation
Question:
(Lecture 10) What is persistence of modes?
CEN 3721 Final EXAM 2026/2027 EXAM Review
FULL Q Questions and Answers Verified Solutions
Latest Update
Question:
(Lecture 9: Usability Testing) What are some qualities of usability objectives?
Answer:
1. They were created during user/task analysis and product scoping 2. They must be measurable 3.
Should indicate: Type of user, Task to be performed, and specific performance criteria
Question:
(Lecture 9: Usability Testing) Good usability is indicated by?
Answer:
1. Ease of learning - How fast can a novice learn to accomplish basic tasks? 2. Efficiency of use-
How fast can an experienced user accomplish tasks? 3. Easy to remember - can a user remember
enough to use it effectively the next time? 4. Error frequency and severity - How often do users
make errors, how serious are these errors, and how do users recover from these errors? 5. Subjective
satisfaction - How much does the user like using the system?
Question:
(Lecture 9: Usability Testing) Creating the test plan is basically
Answer:
Explaining what you are testing and how you will conduct the test
Question:
(Lecture 9: Usability Testing) What are the 6 things to consider when creating the test plan?
Answer:
,1. Purpose 2. Problem Statement/Test Objectives 3. User profile 4. Method 5. Task List 6. Test
Environment/Equipment
Question:
(Lecture 9: Usability Testing) What are the 4 basic participant documents?
Answer:
1. Consent form 2. Entrance questionnaire 3. Task based questionnaire 4. Exit questionnaire
Question:
(Lecture 10) What is a graphical input device (GID)?
Answer:
It is a mechanism for communicating information.
Question:
Interpret this notation sequence: Shift↓n Control ↓ k Shift ↑ w Control
Answer:
1. Press & hold shift 2. tap n 3. press and & hold control (while shift is still pressed) 4. tap k 5.
release shift 6. tap w 7. release control
Question:
(Lecture 10) What is a mode?
Answer:
It is the system's current state that is manifested by how an interface responds to a gesture.
Question:
(Lecture 10) What is a gesture?
Answer:
, It is a sequence of human actions completed as a set
Question:
(Lecture 10) What is chunking?
Answer:
It is combining a sequence of actions into a gesture.
Question:
(Lecture 10) What are some problems with modes?
Answer:
1. Toggle can be problematic 2. Caps lock key: how do you know when it is on? 3. How much of a
problem is this?
Question:
(Lecture 10) What 3 ways does Norman list to minimize mode errors?
Answer:
1. Do not have modes 2. Ensure that mods are distinctly marked 3. Ensure that the commands
required by different modes are not the same, so that a command issued in the wrong mode will not
lead to problems
Question:
(Lecture 10) What is the range of a gesture?
Answer:
The set of states in which a gesture(s) has a particular interpretation
Question:
(Lecture 10) What is persistence of modes?
