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Home/Past Papers/PSC Computer Operator Paper II – 2081/Question 7
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Public Service Commission (PSC)•2081 BS•Question 7 of 9

Explain different types of software. What is the difference between system software and application software?

10 marks

Question source

Exam year
2081 BS / 2024 AD
Level
Level 4
Paper
Paper II – Subjective
Section
Section B: Long Answer Questions (2 × 10 = 20 marks)

Model answer

Software is a set of programs, instructions, and data that tells a computer how to perform specific tasks. Software can be broadly classified into two categories:

1. System Software: Software that manages and controls computer hardware, providing a platform for application software.

  • Operating System — Windows, Linux, macOS (manages hardware resources)
  • Utility Programs — Antivirus, disk defragmenter, file manager
  • Device Drivers — Software that enables OS to communicate with hardware
  • Language Translators — Compiler, interpreter, assembler

2. Application Software: Software designed for end-users to perform specific tasks.

  • General Purpose — MS Office, web browsers, media players
  • Specific Purpose — Accounting (Tally), Hospital Management, Banking software
  • Customized — Built for specific organization needs

Difference between System Software and Application Software:

BasisSystem SoftwareApplication Software
PurposeManages hardware and provides platformPerforms specific user tasks
User interactionRuns in background, minimal user interactionDirect user interaction
DependencyCan run independentlyDepends on system software
DevelopmentWritten in low-level languages (C, Assembly)Written in high-level languages (Java, Python)
ExamplesWindows, Linux, device driversMS Word, Chrome, Photoshop
InstallationInstalled first, essential for computerInstalled later, based on user needs
Previous questionQuestion 6: What is word processing? Explain the features of Microsoft Word. Describe how to perform Mail Merge in MS Word.Next question Question 8: What is a computer network? Explain different network topologies with diagrams. Compare TCP/IP model with OSI model.

Question 7 of 9 from PSC Computer Operator Paper II – 2081

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