RRB (Computer Knowledge) Flashcards

Which data structure follows the Last In, First Out (LIFO) principle?

Answer: Stack

A stack is a data structure where the last element added is the first one to be removed, following the LIFO principle.

What is phishing in the context of cyber security?

Answer: A fraudulent attempt to obtain sensitive information by disguising as a trustworthy entity

Phishing is a social engineering attack where cybercriminals impersonate legitimate organizations via email or websites to steal credentials or financial data.

In MS PowerPoint, which view displays all slides as small thumbnails for easy rearrangement?

Answer: Slide Sorter view

Slide Sorter view displays miniature versions of all slides, making it easy to rearrange, delete, or duplicate slides.

Which storage technology uses magnetic platters to store data?

Answer: Hard Disk Drive (HDD)

A Hard Disk Drive (HDD) stores data on spinning magnetic platters and uses read/write heads to access the data.

What does the term 'cloud computing' primarily refer to?

Answer: Delivering computing services over the internet on a pay-per-use basis

Cloud computing refers to the delivery of computing services — including storage, processing, and software — over the internet, enabling on-demand access.

Which number system uses only the digits 0 and 1?

Answer: Binary

The binary number system uses base-2, with only two digits (0 and 1), and is the fundamental language of all digital computers.

What is the role of a DBMS (Database Management System)?

Answer: To manage and organize data storage and retrieval

A DBMS is software that enables users to create, manage, and manipulate databases, ensuring efficient data storage, retrieval, and security.