Computer Terminology
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Q181.Which is the MOST accurate statement about chain-of-custody when AI processes digital evidence?
Correct Answer: C
Logging AI steps and integrity hashes preserves chain-of-custody and admissibility.
Q182.When an AI system's training data underrepresents a group, the resulting harm in investigations is:
Correct Answer: A
Underrepresentation leads to systematic accuracy gaps and higher misidentifications.
Q183.To detect insider data exfiltration, the MOST effective AI method monitors:
Correct Answer: D
Behavioral anomaly detection on access/transfer patterns reveals insider exfiltration.
Q184.Which statement about 'explainability vs accuracy' in high-stakes AI is MOST correct?
Correct Answer: C
Complex high-accuracy models can be opaque, creating an explainability-accountability tension.
Q185.An FIA team wants AI to draft an investigation summary from mixed evidence (text, images, audio). The BEST fit is:
Correct Answer: A
A multimodal model can integrate diverse evidence; human verification ensures reliability.
Q186.In a database, columns are called?
Correct Answer: B
In a database, columns are called Fields or Attributes, while rows are called Records.
Q187.Which of the following is not an open source software?
Correct Answer: A
Microsoft Office is proprietary, closed-source software, unlike Linux, Android, and Firefox.
Q188.In SQL, which command is used to remove a table?
Correct Answer: B
DROP TABLE permanently deletes a table structure and all its data from the database.
Q189.Which sorting algorithm is the fastest in the average case?
Correct Answer: A
Quick Sort is highly efficient in practice with an average-case complexity of O(n log n).
Q190.In a Database table, a single row will be called?
Correct Answer: B
A single row in a database table is called a Record, representing one entity instance.
Q191.Database normalization reduces?
Correct Answer: B
Normalization organizes database schemas to minimize duplicate data and data redundancy.
Q192.A 2D array used to describe descriptive information about an entity is called?
Correct Answer: B
A Table is a two-dimensional structure composed of rows and columns used to store information.
Q193.Entity integrity in a database means?
Correct Answer: C
Entity integrity ensures that each row is uniquely identified; hence primary keys cannot be null.
Q194.Which file system is default in modern Windows versions?
Correct Answer: C
NTFS (New Technology File System) is the default file system for modern Windows versions.
Q195.What is the grid size of a K-map for 3-variables?
Correct Answer: A
A 3-variable Karnaugh Map has 2^3 = 8 cells, organized in a 2x4 grid.
Q196.Which of the following searching algorithms requires the data to be sorted?
Correct Answer: C
Binary Search operates on sorted datasets using divide-and-conquer logic.
Q197.An array is a ______ structure.
Correct Answer: A
An array is a linear data structure used to store elements of the same data type sequentially.
Q198.What is the purpose of an operating system in a computer?
Correct Answer: D
An operating system manages computer hardware and software resources. It uses hardware efficiently and provides services to applications, running software and coordinating all operations.
Q199.Which function returns the position of a value in a range?
Correct Answer: C
MATCH function returns the position of a value in a given range. It searches for a value in a list or range.
Q200.Which data structure is used for recursion?
Correct Answer: C
Stack is used for recursion because it stores function calls in LIFO order during execution.