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Home/Past Papers/Civil Aviation Authority of Nepal Senior Assistant (IT) Subjective Exam – 2077/What do you mean by Software? Briefly describe various types of Software.

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Civil Aviation Authority of Nepal•2077 BS•Question 2 of 18

What do you mean by Software? Briefly describe various types of Software.

5 marks

Question source

Exam year: 2077 BS / 2021 AD
Level: Level 5 (Prabidhik, IT, Barishtha Sahayak)
Paper: Paper II – Sewa Sambandhi
Section: Section A

Model answer

Software is programs + data + procedures telling hardware what to do. Hardware is the body, software is the instructions.

Types:

System software — Manages hardware: OS (Windows, Linux), compilers/interpreters, device drivers, utilities (antivirus, backup).
Application software — User tasks: general (Word, Excel, browser) and customized (CAAN flight-schedule system, payroll).
Firmware — Software in chips: BIOS, router/printer firmware, embedded code in ATMs.

Office PC needs both: Windows (system) + Office (application) to produce a letter.

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Question 2 of 18 from Civil Aviation Authority of Nepal Senior Assistant (IT) Subjective Exam – 2077

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