Computer — All MCQs
4795 questions available
Q1801.The term 'Digital Signature' in official documents is used for?
Correct Answer: C
A digital signature utilizes mathematical public-key cryptography to provide verifiable, non-reputable cryptographic authentication of identity and document integrity.
Q1802.Which of the following is a 'lossy' image compression format?
Correct Answer: A
JPEG is a "lossy" graphics compression standard that dramatically reduces image file sizes by permanently deleting imperceptible color details.
Q1803.In official file tracking, 'Current Number' (C/No.) refers to?
Correct Answer: C
In bureaucratic record tracking, Current Number (C/No.) represents the unique serial index assigned to incoming/outgoing correspondence inside a file.
Q1804.In MS Excel, the 'IF' function is used to?
Correct Answer: B
Excel's logical IF function evaluates a specified condition, returning one result if the test is TRUE, and another if it is FALSE.
Q1805.Two-Factor Authentication 2FA requires?
Correct Answer: C
Two-Factor Authentication (2FA) is a security protocol requiring a password combined with a second verification method (like an SMS OTP or biometric scan) to access accounts.
Q1806.In MS Word, 'Table of Authorities' is used in?
Correct Answer: C
A Table of Authorities compiles a list of legal citations (cases, statutes, regulations) found in briefs, contracts, and court documents.
Q1807.The most secure method of password management is?
Correct Answer: C
The most secure approach to credentials management is utilizing an encrypted password manager that generates and stores unique, complex passwords for each account.
Q1808.In networking, 'VPN' stands for?
Correct Answer: A
VPN stands for Virtual Private Network, a service that encrypts and tunnels your internet connection to protect your online identity and data.
Q1809.The 'Agile' methodology is used in?
Correct Answer: A
Agile is an iterative project management and software development methodology focusing on collaboration, rapid feedback, and high flexibility.
Q1810.Which MS Office tool would you use to create a professional org chart?
Correct Answer: C
To create custom hierarchical organigrams, PowerPoint SmartArt layouts or Microsoft Visio are the standard professional selections.
Q1811.In government file management, 'FR' written on a file stands for?
Correct Answer: C
FR in government document routing stands for "Further Reference," indicating files preserved to assist in subsequent decision-making or policy updates.
Q1812.What does 'PDF/A' format specifically ensure?
Correct Answer: A
PDF/A is an ISO-standardized version of the PDF format designed specifically for the digital preservation and archival storage of electronic documents.
Q1813.In MS Excel, 'HLOOKUP' searches for a value in?
Correct Answer: C
HLOOKUP (Horizontal Lookup) searches for a key value across the first horizontal row of a dataset and returns data from a cell in the same column.
Q1814.The term 'SOP' in office administration stands for?
Correct Answer: A
SOP stands for Standard Operating Procedure, representing written step-by-step instructions designed to help employees perform complex operations uniformly.
Q1815.In MS Word, 'Cross-reference' is used to?
Correct Answer: B
A Cross-reference dynamically links text in one place of a Word file to another section, table, figure, or heading in the same document.
Q1816.In official correspondence, 'Demi-Official' letters are written in?
Correct Answer: B
Demi-Official (D.O.) letters are written in the first person with a friendly or personal tone, typically sent between public officials to expedite administrative processes.
Q1817.In MS Excel, which function counts only non-empty cells in a range?
Correct Answer: A
The COUNTA function counts all cells containing values (text, numbers, formulas, or errors) in a specified range, ignoring only blank cells.
Q1818.The term Artificial Intelligence was invented by?
Correct Answer: B
John McCarthy widely regarded as the "Father of AI," coined the phrase "Artificial Intelligence" in 1956 for the historical Dartmouth summer conference.
Q1819.Which of the following is the common language for Artificial Intelligence?
Correct Answer: C
Python is the most common language used for AI research and development due to its rich selection of mathematical and neural network libraries (NumPy, Scikit-learn, PyTorch).
Q1820.What was the mode of AI widely used in 2025?
Correct Answer: A
Generative AI (capable of synthesizing text, imagery, and code dynamically) became the most ubiquitous, dominant model of artificial intelligence globally in 2025.