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PMS MCQs

Provincial Management Service — Complete MCQ Bank

30 Questions
Exam Preparation Guide

How to prepare for PMS

The Provincial Management Service examination tests candidates for administrative roles through general knowledge, language and province-focused compulsory papers.

General KnowledgePakistan StudiesEnglishProvincial Affairs
Focus on your province’s history and administration while maintaining strong preparation in current affairs and compulsory subjects.
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All Subjects Computer Science Current Affairs English General Knowledge Islamic Studies Mathematics Pakistan Studies
11
Computer Science Medium

Which bus is primarily responsible for transferring data between the CPU and memory?

  • AAddress Bus
  • BExpansion Bus
  • CControl Bus
  • DData Bus
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Correct Answer: Option D — Data Bus
Explanation: The Data Bus is used to transfer actual data between the CPU, memory, and other hardware components. It carries information in both directions, allowing the processor to read data from memory and write data back to it. The width of the data bus affects how much data can be transferred at one time, influencing overall system performance and speed.
Submitted by: Chandi
12
Computer Science Medium

Which sorting algorithm generally provides the best average-case performance for large datasets?

  • AQuick Sort
  • BMerge Sort
  • CBubble Sort
  • DSelection Sort
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Correct Answer: Option A — Quick Sort
Explanation: Quick Sort is often considered the fastest sorting algorithm in the average case because it has an average time complexity of O(n log n) and requires relatively low memory. It works by selecting a pivot element and partitioning the array into smaller subarrays. Although its worst-case complexity is O(n²), careful pivot selection usually results in very efficient performance in real-world applications.
Submitted by: Chandi
13
Computer Science Medium

Which memory type is most commonly used to store firmware in embedded systems?

  • ARAM
  • BVirtual Memory
  • CCache Memory
  • DROM
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Correct Answer: Option D — ROM
Explanation: ROM (Read-Only Memory) is commonly used to store firmware in embedded systems because it retains data even when power is turned off. Firmware contains essential instructions required for hardware initialization and operation. Unlike RAM, ROM provides non-volatile storage, making it reliable for permanent system software and device control programs.
Submitted by: Chandi
14
Computer Science Medium

Who co-invented the World Wide Web (WWW) alongside Robert Cailliau?

  • ATom Berners
  • BMark Zuckerberg
  • CTim Berners-Lee
  • DBill Gates
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Correct Answer: Option C — Tim Berners-Lee
Explanation: Tim Berners-Lee, together with Robert Cailliau, played a key role in developing the World Wide Web at CERN in 1989. Berners-Lee created fundamental web technologies such as HTML, HTTP, and the first web browser. Their work transformed the internet into a user-friendly system for sharing and accessing information worldwide.
Submitted by: Chandi
15
Computer Science Medium

Who is widely regarded as the father of Computer Science?

  • AJohn von Neumann
  • BAlan Turing
  • CCharles Babbage
  • DBill Gates
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Correct Answer: Option B — Alan Turing
Explanation: Alan Turing is widely known as the father of Computer Science because he developed the theoretical foundation of modern computing. In 1936, he introduced the concept of the Turing Machine, which demonstrated how computers can process information and solve problems through algorithms. His work also played a major role in the development of artificial intelligence and computer theory, making him one of the most influential figures in computing history.
Submitted by: Chandi
16
Computer Science Medium

What is the default port number for HTTPS?

  • A21
  • B25
  • C80
  • D443
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Correct Answer: Option D — 443
Explanation: HTTPS (HyperText Transfer Protocol Secure) uses port 443 by default to provide secure communication over the Internet. It encrypts data using SSL/TLS protocols, protecting sensitive information such as passwords, banking details, and personal data from attackers
Submitted by: PaperMCQs
17
Computer Science Medium

What is the main purpose of a database management system (DBMS)?

  • ACreate hardware
  • BManage and organize data
  • CDesign websites
  • DControl printers
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Correct Answer: Option B — Manage and organize data
Explanation: A DBMS provides tools for storing, retrieving, updating, and managing data efficiently while maintaining integrity, security, and consistency.
Submitted by: PaperMCQs
18
Computer Science Medium

What is multitasking in an operating system?

  • AUsing multiple monitors
  • BRunning multiple processes concurrently
  • CInstalling multiple OS
  • DUsing many files
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Correct Answer: Option B — Running multiple processes concurrently
Explanation: Multitasking enables an operating system to execute multiple programs seemingly at the same time.
Submitted by: PaperMCQs
19
Computer Science Hard

Which algorithm technique divides a problem into smaller subproblems?

  • AGreedy
  • BDivide and Conquer
  • CBrute Force
  • DBacktracking
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Correct Answer: Option B — Divide and Conquer
Explanation: Divide and Conquer breaks a problem into smaller parts, solves them independently, and combines results.
Submitted by: PaperMCQs
20
Computer Science Medium

What is a macro in MS Office?

  • ADatabase
  • BAutomated task sequence
  • CChart type
  • DNetwork protocol
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Correct Answer: Option B — Automated task sequence
Explanation: A macro automates repetitive tasks by storing commands and actions that can be replayed later.
Submitted by: PaperMCQs
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