IT and Programming Concepts Flashcards
7 cards from real Robert Half Assessment Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 IT and Programming Concepts flashcards as text
Which data structure uses a LIFO (Last In, First Out) access pattern?
Answer: Stack
A stack follows LIFO order, where the last element added is the first one removed.
What does the acronym API stand for?
Answer: Application Programming Interface
API stands for Application Programming Interface, a set of rules allowing software components to communicate.
In object-oriented programming, what is encapsulation?
Answer: Bundling data and methods into a single unit with restricted access
Encapsulation bundles data and the methods that operate on it into a class, hiding internal details.
Which SQL statement is used to retrieve data from a database?
Answer: SELECT
The SELECT statement is used to query and retrieve records from one or more database tables.
What is the primary purpose of version control systems like Git?
Answer: To track changes in code and enable collaboration
Version control systems track code history, allow branching, and enable multiple developers to collaborate without conflicts.
Which of the following is an example of a NoSQL database?
Answer: MongoDB
MongoDB is a document-oriented NoSQL database that stores data in flexible JSON-like documents.
What does 'responsive design' mean in web development?
Answer: The layout adapts to different screen sizes and devices
Responsive design uses flexible layouts and media queries so a website renders well on desktops, tablets, and phones.