Vigour Mobile Interview Questions and Answers

Mobile devices have various features that enhance communication, productivity, and entertainment.

• Mobile phones offer seamless connectivity through calls, texts, and internet access.

• They have advanced cameras for capturing high-quality photos and videos.

• Mobile apps provide a wide range of functionalities, such as social media, gaming, and productivity tools.

• Smartphones have built-in GPS for navigation and location-based...read more

C is a general-purpose programming language developed by Dennis Ritchie in 1972.

• C is used for developing operating systems, embedded systems, and system software.

• It is a compiled language and has a low-level memory access.

• C is the predecessor of many modern programming languages like C++, Java, and Python.

A loop is a programming structure that repeats a set of instructions until a certain condition is met.

• Loops are used to iterate over a collection of data or to repeat a set of instructions a certain number of times.

• There are three types of loops in most programming languages: for, while, and do-while.

• Example: for (int i = 0; i < 10; i++) { // do something }

The ISO/OSI model is a conceptual framework that standardizes the functions of a communication system into seven layers.

• The ISO/OSI model stands for International Organization for Standardization/Open Systems Interconnection model.

• It is a layered model that helps in understanding and designing network protocols.

• The seven layers are: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

• Each la...read more

To lock a file in Linux, use the flock command or the fcntl system call.

• The flock command can be used to lock a file by acquiring an exclusive or shared lock.

• The fcntl system call can be used to lock a file by setting the F_SETLK or F_SETLKW command.

• Locking a file prevents other processes from modifying or accessing it until the lock is released.

• Locking can be done at the file level or at specific regions within a file...read more

CSS stands for Cascading Style Sheets. It is used to style the appearance of HTML elements on a webpage.

• CSS helps in separating the content of a webpage from its design, making it easier to maintain and update.

• It allows for consistent styling across multiple pages of a website.

• CSS can be used to control layout, colors, fonts, and other visual aspects of a webpage.

• It enables responsive design, making websites adapt to d...read more

To find a loop in a linked list, we can use the Floyd's cycle-finding algorithm.

• Use two pointers, one moving at a speed of one node at a time and the other at a speed of two nodes at a time.

• If there is a loop, the two pointers will eventually meet at the same node.

• To find the starting point of the loop, move one pointer back to the head and then move both pointers at a speed of one node at a time.

• The point where they m...read more

I enjoy exploring new technologies, solving complex problems, and collaborating with others to create innovative solutions.

• Exploring new technologies

• Solving complex problems

• Collaborating with others

• Creating innovative solutions