Missing Operators A missing operator error occurs when:

Required symbols like +, -, or = are absent in the code

An operation between incompatible data types is performed

A loop is missing an end condition

Semantic Error Which of these is an example of a semantic error?

Subtracting an int from a string

Forgetting to declare a variable

Datatype Mismatch A datatype mismatch happens when:

Two incompatible data types are used in an operation

An array is accessed out of bounds

Undeclared Variable What causes an undeclared variable error?

Using a variable that hasn't been defined

Performing an illegal operation

Uninitialized Variable An uninitialized variable error occurs when:

A variable is used without assigning it a value

The variable is of an incorrect type

Function Header Mismatch A function header mismatch happens when:

The arguments provided do not match the function parameters

A variable is used outside of its scope

Overflow/Underflow Overflow and underflow errors occur when:

An arithmetic operation exceeds or falls below the allowable range

A file is missing during runtime

Null Reference/Null Pointer A null pointer exception occurs when:

You try to dereference a pointer with no value assigned

The wrong variable type is used

A function has mismatched parameters

A syntax error causes the program to crash

Stack Overflow A stack overflow error can occur when:

A loop goes into infinite recursion

A variable is used before it is initialized

Memory Errors Which of these describes a memory error?

Attempting to access freed or unallocated memory

Using an uninitialized variable

Declaring a function incorrectly

A variable exceeds its datatype limit

File Not Found (IO) A "File Not Found" error occurs when:

The program fails to find or open a specified file

A function is called without parameters

The wrong variable type is used

A syntax error halts the program

Illegal Operations (Operating System) Which of the following is an example of an illegal operation?

Accessing restricted system files

Declaring a variable in the wrong place

Race Conditions A race condition occurs when:

Two processes access shared resources simultaneously, causing unexpected behavior

There is a mismatch in data types

A file is not found during execution

Memory Leak A memory leak occurs when:

Memory is allocated but not properly freed

Variables are initialized incorrectly

The program throws a syntax error

Incorrect Algorithm An incorrect algorithm leads to:

Incorrect or unintended results

Off-by-One An "Off-by-One" error typically occurs when:

A loop iterates one time too many or too few

A variable is used without being initialized

Rounding/Truncation Rounding or truncation errors occur due to:

Loss of precision in floating-point operations

The use of uninitialized variables

Incorrect Loop Condition An incorrect loop condition could result in:

Infinite loops or premature termination of a loop

Variables being initialized incorrectly

Incorrect If Condition An incorrect if condition results in:

Incorrect or unintended execution paths

Exception In programming, an exception is:

An event that disrupts normal program flow during execution

A logical error caused by misplaced brackets

A variable that has not been initialized

Try-Catch A try-catch block is used to:

Handle exceptions and prevent program crashes

Initialize variables that are undeclared

Detect logical errors in algorithms

Try In a try-catch block, the try block:

Executes code that might cause an error

Specifies the range of data that should be processed

Catch In exception handling, the catch block is responsible for:

Capturing and managing exceptions during program execution

Preventing runtime errors from occurring

Identifying undeclared variables

Finally The "finally" block in exception handling ensures:

That code runs regardless of whether an exception occurs or not

That exceptions are handled correctly

That variables are initialized properly

That a memory leak is prevented

Throw The throw keyword is used in programming to:

Signal an exception manually within a program

Handle arithmetic overflow errors

Declares a function header mismatch

Normal Data Normal data in testing is:

Typical data that the system is expected to handle

Data that is at the upper or lower limits of expectations

Data that falls outside the acceptable range

Data that causes intentional errors

Extreme Data Extreme data is used in testing to:

Verify how the system handles values at the upper or lower limits

Check if the system handles data outside of its acceptable range

Test how the system reacts to invalid inputs

Ensure normal operations under usual conditions

Boundary Data Boundary data in testing is used to:

Test values just inside and just outside the acceptable range

Intentionally introduce errors into the system

Ensure correct exception handling

Abnormal Data (Erroneous Data) Abnormal data is defined as:

Data that falls outside what is acceptable and should be rejected

Data at the upper or lower limits of the range

Data that the system is expected to process normally

Valid data that triggers edge cases

White Box Testing White box testing involves:

Testing the system's internal code and logic structure

Testing the system's functionality without looking at internal code

Verifying the system's performance in real-world conditions

Anticipating and preventing runtime errors

Code Coverage Analysis Code coverage analysis is used to:

Ensure that all the logical paths are tested

Check the system's ability to handle extreme data

Monitor the number of times a variable is used

Evaluate non-functional system attributes

Control Flow Analysis Control flow analysis checks:

How instructions or function calls are executed in the correct order

If variables are properly initialized before being used

If data types are compatible with the operations

Data Flow Analysis Data flow analysis is performed to:

Examine how data moves through the program to identify issues like uninitialized variables

Track the execution of control flow statements

Loop Testing Loop testing is primarily focused on:

Ensuring all loops in the program are functioning correctly

Checking the compatibility of different data types

Verifying how exceptions are handled

Handling runtime errors in the code

Mutation Testing Mutation testing introduces:

Small changes in the source code to ensure that test cases can detect errors

Random syntax errors to check for compile-time issues

Invalid data types to verify exception handling

Large code modifications to improve performance

Memory Leak Analysis Memory leak analysis helps identify:

Areas in the code where memory is allocated but not properly released

Incorrectly initialized variables

Black Box Testing Black box testing evaluates:

The functionality of the system without examining the internal structure

The internal code and logic of the system

How the system handles memory leaks

Whether all exceptions are handled correctly

Functional Testing Functional testing is conducted to:

Check how the system performs its specified tasks

Identify potential memory leaks in the system

Verify non-functional aspects of the system

Detect missing semicolons in the code

Non-Functional Testing Non-functional testing evaluates:

Aspects like performance, usability, and scalability

The functionality of the system as per specifications

How well test cases detect syntax errors

The system's ability to handle extreme data

Error Guessing Error guessing involves:

Anticipating common errors based on intuition or experience

Using predefined test cases to catch errors

Detecting memory leaks in the code

Validating the system's performance under normal conditions

Acceptance Testing Acceptance testing is primarily concerned with:

Verifying if the system meets the business requirements and is ready for delivery

Identifying memory leaks in the program

Detecting syntax and compile-time errors

Ensuring that loops terminate correctly

Alpha Testing Alpha testing is:

The first stage of internal testing performed by developers and testers

Testing done by external users in real-world conditions

A type of testing to check memory leaks

Conducted to identify missing semicolons in the code

Errors and Testing

Authored by Reid Bauermeister

Computers

12th Grade

Used 8+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Lexical Error Which of the following is an example of a lexical error?

Using uninitialized variables

Writing "pritn" instead of "print"

Dividing by zero

Forgetting a semicolon

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Spelling Error A spelling error occurs when:

A variable is used without being declared

You break the rules of keywords or identifiers

A variable type is mismatched

An identifier exceeds the character limit

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Too Many Characters A "Too Many Characters" error happens when:

The identifier is too long

Special characters are used incorrectly

A function exceeds the allowed line count

The program contains too many functions

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Illegal Characters Illegal characters are those that:

Are found in the wrong place in the code

Do not match the allowed symbols in the programming language

Cause division by zero

Are uninitialized variables

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Syntax Error Which of the following best describes a syntax error?

Using an undefined variable

Dividing by zero

Violating grammatical rules of a programming language

Incorrectly assigning data types

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Structural Errors What kind of error is classified as a structural error?

Incorrect arrangement of code elements

Using illegal characters

Declaring a variable without initializing it

Mismatch between function parameters

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Missing Brackets A missing bracket error occurs when:

A data type is mismatched

A function has no parameters

Parentheses or braces are not properly opened or closed

A loop is missing a condition

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