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CSS MCQs

Civil Superior Services — Complete MCQ Bank

899 Questions
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How to prepare for CSS

CSS is Pakistan’s premier federal competitive examination. Strong preparation requires conceptual clarity, broad general knowledge and consistent practice across compulsory and optional areas.

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821
Pakistan Studies Easy

In which year was the Lahore Resolution passed?

  • A1938
  • B1939
  • C1940
  • D1941
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Correct Answer: Option C — 1940
Explanation: The Lahore Resolution was passed on 23 March 1940 at the annual session of the All India Muslim League, demanding separate states for Muslims in the northwestern and eastern zones of British India.
Submitted by: PaperMCQs
822
Computer Science Medium

Which programming language is commonly used for data analysis and machine learning?

  • ACOBOL
  • BPython
  • CPascal
  • DFortran
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Correct Answer: Option B — Python
Explanation: Python is widely used in data analysis and machine learning because of its readability and extensive libraries such as NumPy, Pandas, and Scikit-learn.
Submitted by: PaperMCQs
823
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
824
Computer Science Medium

What is a Trojan Horse in cybersecurity?

  • AA network cable
  • BA type of malware disguised as legitimate software
  • CA firewall rule
  • DA backup utility
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Correct Answer: Option B — A type of malware disguised as legitimate software
Explanation: A Trojan Horse appears to be useful software but secretly performs malicious actions such as stealing information or providing unauthorized system access.
Submitted by: PaperMCQs
825
Computer Science Medium

What is the purpose of a compiler?

  • AExecute programs directly
  • BTranslate source code into machine code
  • CStore data permanently
  • DManage networks
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Correct Answer: Option B — Translate source code into machine code
Explanation: A compiler converts high-level programming language code into machine code that can be executed by a computer. It also checks syntax and reports programming errors.
Submitted by: PaperMCQs
826
Computer Science Medium

What is artificial intelligence?

  • AComputer hardware
  • BSimulation of human intelligence by machines
  • CNetwork design
  • DDatabase storage
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Correct Answer: Option B — Simulation of human intelligence by machines
Explanation: Artificial Intelligence enables machines to perform tasks requiring human-like reasoning and learning.
Submitted by: PaperMCQs
827
Computer Science Medium

Which database operation removes a table completely?

  • ADELETE
  • BREMOVE
  • CDROP
  • DCLEAR
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Correct Answer: Option C — DROP
Explanation: DROP permanently removes an entire database object including structure and data.
Submitted by: PaperMCQs
828
Computer Science Medium

Which cyberattack encrypts files and demands payment?

  • ASpyware
  • BRansomware
  • CAdware
  • DTrojan
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Correct Answer: Option B — Ransomware
Explanation: Ransomware locks or encrypts data and demands a ransom for restoration.
Submitted by: PaperMCQs
829
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
830
Computer Science Medium

What is a database schema?

  • ABackup file
  • BStructure of a database
  • CNetwork device
  • DProgramming language
Permalink
Correct Answer: Option B — Structure of a database
Explanation: A database schema defines tables, fields, relationships, and constraints.
Submitted by: PaperMCQs
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