Computer — All MCQs

4795 questions available

Showing 1801–1820 of 4795

Q1801.The term 'Digital Signature' in official documents is used for?

Easy
A Email formatting
B Handwritten signatures scanned
C Cryptographic authentication of identify
D None of these
Internet Services & Communication PPSC

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?

Easy
A JPEG
B PNG
C BMP
D None of these
General MCQs PPSC

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?

Easy
A Year of record
B Phone number of officer
C Serial number of current file or correspondence
D None of these
General MCQs PPSC

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?

Easy
A Sort data
B Perform conditional logic
C Calculate averages
D None of these
MS Excel PPSC

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?

Easy
A Only password
B Only OTP
C Password + second verification / A second layer of security requiring additional verification beyond a password
D Username only
Computer Security PPSC

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?

Easy
A Financial reports
B Scientific reports
C Legal documents to cite cases and statutes
D None of these
MS Word PPSC

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?

Easy
A Using simple memorable passwords
B Same password everywhere
C Password manager with unique strong passwords
D None of these
Computer Security PPSC

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?

Easy
A Virtual Private Network
B Visual Private Network
C Virtual Protocol Network
D Virtual Protocol Networking
Computer Networks PPSC

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?

Easy
A Software development project management
B Office filing
C HR management
D None of these
General MCQs PPSC

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?

Easy
A MS Outlook
B MS Word only
C MS PowerPoint SmartArt or Visio
D None of these
MS PowerPoint PPSC

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?

Easy
A File Register
B Final Report
C Further Reference
D None of these
General MCQs PPSC

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?

Easy
A Long-term archival preservation of documents
B Smaller file size
C Editable content
D None of these
General MCQs PPSC

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?

Easy
A A pivot table
B A vertical column
C A horizontal row
D None of these
MS Excel PPSC

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?

Easy
A Standard Operating Procedure
B Standard Official Procedure
C System of Operations
D None of these
General MCQs PPSC

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?

Easy
A Compare fonts
B Link to another part of the same document
C Compare two documents
D None of these
MS Word PPSC

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?

Easy
A Passive voice only
B First person with a personal tone
C Third person formal style
D None of these
General MCQs PPSC

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?

Easy
A COUNTA()
B COUNT()
C COUNTIF()
D None of these
MS Excel PPSC

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?

Easy
A Albert Einstein
B John McCarthy
C Geoffrey Hinton
D Alan Turing
Computer Terminology PPSC

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?

Easy
A LISP
B JAVA
C Python
D None of these
Computer Terminology PPSC

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?

Easy
A Generative AI
B Reactive AI
C Expert Systems
D Narrow AI
Computer Terminology PPSC

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.