In professional software development, which of the following is considered an unrealistic expectation?
A.A project or product with 0 bug count
B.A project with an increased bug count
C.Random occurrence of bugs
D.A project with a reduced bug count
What is the top-level quality characteristic of maintainability as defined in the ISO-9126 framework?
A.The capability of software to maintain its level of performance under stated conditions.
B.The ease of use from a user viewpoint.
C.The effort needed to make specified modifications to the software product.
D.The essential purpose of any product or service.
What is a failure as defined in Software Quality Engineering?
A.The presence of defects in a software solution.
B.A result of a human action that produces an incorrect result.
C.The inability of the program to behave as expected within given performance requirements.
D.An incorrect step, process, or data definition in a computer program.
According to the course handouts, which of the following is the specific example provided to illustrate a software failure?
A.An online payment system where the option to select a debit card is missing in production.
B.The Mariner I space probe rocket diverting from its intended path due to a transcribed pencil formula error.
C.A C program printing an incorrect subtraction result instead of adding because a minus sign was written instead of a plus sign.
D.A programmer mistakenly writing a single equal sign (=) instead of a double equal sign (==) inside a conditional check.
According to the course handouts, which historic event is used to demonstrate a software bug?
A.The Apollo 11 moon landing computer overload during lunar descent.
B.The July 28, 1962 Mariner I space probe launch failure, where an improperly transcribed pencil formula caused the rocket to divert from its path.
C.The Ariane 5 rocket explosion caused by a 64-bit floating-point to 16-bit signed integer overflow.
D.The Y2K Millennium Bug that threatened date calculations in banking databases.
What is an error as defined in software quality engineering?
A.An incorrect condition in a computer program.
B.A semantic mistake made by a programmer.
C.A syntactic mistake made by a programmer.
D.A human action that produces an incorrect result and/or the mistakes made by a programmer.
What is the top-level quality characteristic of usability as defined in the ISO-9126 framework?
A.The relationship between the level of software performance and the amount of resources used.
B.The capability of software to be transferred from one environment to another.
C.The ease of use from a user viewpoint.
D.The effort needed to make specified modifications to the software product.
What is the main goal of the 'Maintainability' characteristic in software quality evaluation?
A.To ensure the software can perform its functions reliably over a long period.
B.To measure the effort needed to make specified modifications to the software.
C.To allow the software to be transferred easily to a different operating system.
D.To provide a totality of essential functions that meet implied needs.
Under the ISO-9126 quality model, which of the following best defines the 'Maintainability' quality characteristic?
A.The set of attributes related to the capability of software to maintain its level of performance under stated conditions for a stated period.
B.The set of attributes that bear on the effort needed to make specified modifications, focusing on the ability to identify and repair faults within a software solution.
C.The set of attributes concerning the relationship between the level of software performance and the amount of resources used under stated conditions.
D.The set of attributes related to the ability of software to be transferred from one hardware or operating system environment to another.
If a developer is required to write a C program to add two numbers, but writes `ans = value1 - value2;` instead of `ans = value1 + value2;` in the source code, this incorrect subtraction operator represents a ________.
💻 c Snippet
ans = value1 - value2; // requirement is addition
A.Software Failure
B.Software Fault
C.Requirement Defect
D.Software Validation
