Podcast
Questions and Answers
Which of the following is NOT a category of system software?
Which of the following is NOT a category of system software?
What is the primary function of system software?
What is the primary function of system software?
Which of the following is an example of a dual-boot system?
Which of the following is an example of a dual-boot system?
What type of system software allows multiple operating systems to run on a single physical machine?
What type of system software allows multiple operating systems to run on a single physical machine?
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What is the main purpose of a device driver?
What is the main purpose of a device driver?
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Which of the following is NOT a feature of system software?
Which of the following is NOT a feature of system software?
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What is the primary role of firmware in a computer system?
What is the primary role of firmware in a computer system?
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Which type of system software helps in optimizing and maintaining the computer system?
Which type of system software helps in optimizing and maintaining the computer system?
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Which type of application software is specifically designed to run within web browsers?
Which type of application software is specifically designed to run within web browsers?
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Which programming language serves as a bridge between machine language and high-level languages?
Which programming language serves as a bridge between machine language and high-level languages?
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What is a defining feature of native applications?
What is a defining feature of native applications?
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What is the primary focus of imperative programming languages?
What is the primary focus of imperative programming languages?
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Which phase of the Software Development Life Cycle (SDLC) is responsible for defining project goals and resource allocation?
Which phase of the Software Development Life Cycle (SDLC) is responsible for defining project goals and resource allocation?
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Which example listed below is an instance of a cross-platform application?
Which example listed below is an instance of a cross-platform application?
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Which type of programming paradigm focuses on what the program should achieve?
Which type of programming paradigm focuses on what the program should achieve?
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What distinguishes hybrid applications from other types of applications?
What distinguishes hybrid applications from other types of applications?
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What is created during the Analysis phase of the software development life cycle (SDLC)?
What is created during the Analysis phase of the software development life cycle (SDLC)?
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Which SDLC model is best suited for small projects with stable requirements?
Which SDLC model is best suited for small projects with stable requirements?
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What is a primary advantage of the Agile Model?
What is a primary advantage of the Agile Model?
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Which type of testing ensures that the software meets all specified requirements?
Which type of testing ensures that the software meets all specified requirements?
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What is the main purpose of the Implementation phase in the SDLC?
What is the main purpose of the Implementation phase in the SDLC?
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Which factor contributes to risk reduction in the Agile Model?
Which factor contributes to risk reduction in the Agile Model?
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In the Maintenance phase of SDLC, what primary activities are performed?
In the Maintenance phase of SDLC, what primary activities are performed?
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Which statement best describes the Iterative Model in SDLC?
Which statement best describes the Iterative Model in SDLC?
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Flashcards
What is Software?
What is Software?
A collection of instructions and data telling a computer how to work.
System Software
System Software
Software that manages hardware and provides foundational functionality for other software.
Operating Systems
Operating Systems
Manages hardware and software resources, facilitating user interaction.
Single Boot Systems
Single Boot Systems
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Dual/Multi-Boot Systems
Dual/Multi-Boot Systems
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Device Drivers
Device Drivers
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Firmware
Firmware
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Utility Programs
Utility Programs
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Software Requirements Specification (SRS)
Software Requirements Specification (SRS)
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Design Documents
Design Documents
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Implementation Phase
Implementation Phase
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Testing Methods
Testing Methods
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Waterfall Model
Waterfall Model
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Agile Model
Agile Model
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Customer Collaboration
Customer Collaboration
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Continuous Delivery
Continuous Delivery
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Application Software
Application Software
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Desktop Applications
Desktop Applications
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Web Applications
Web Applications
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Native Applications
Native Applications
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Machine Language
Machine Language
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High-Level Languages
High-Level Languages
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Software Development Life Cycle (SDLC)
Software Development Life Cycle (SDLC)
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Planning Phase
Planning Phase
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Study Notes
Software Fundamentals
- Software is a set of instructions, data, or programs telling a computer how to work
- Unlike hardware (physical components), software is intangible
- Software manages hardware and provides functions for other software
- Software is written in programming languages, executed by the computer's processor
- System software acts as a bridge between applications and hardware, ensures efficiency and user interaction
Types of Software
- System Software:
- Manages hardware and provides basic functionality for other programs
- Examples: Operating systems (Windows, macOS, Linux), device drivers, firmware
- Application Software:
- Designed for end-users to perform specific tasks
- Examples: web browsers, word processors, communication tools
System Software Features
- Hardware Management: Controls and allocates resources (memory, CPU, storage)
- User Interface: Provides graphical user interfaces (GUIs) or command-line interfaces (CLIs)
- Application Platform: Supports the execution of application software
- Device Control: Includes drivers for hardware communication
- Security: Provides basic security features (authentication, access control)
Types of System Software
- Operating Systems: Manages hardware and software resources, facilitates user interaction
- Examples: Windows, macOS, Linux, Android, iOS
- Single Boot Systems: Run only one operating system at a time
- Device Drivers: Enable communication between the operating system and hardware devices
- Firmware: Embedded software integrated into hardware (e.g., BIOS) that controls its functions
- Hypervisors: Allow multiple operating systems to run on a single machine through virtualization
- Utility Programs: Tools for system analysis, optimization, and maintenance (e.g., disk cleanup, antivirus)
Application Software
- Performs specific tasks (document creation to complex calculations)
- Categorized by delivery method/usage
- Desktop Applications: Installed on single computers (e.g., Microsoft Office, Photoshop)
- Web Applications: Run within web browsers (e.g., Gmail, Google Docs)
- Native Applications: Optimized for specific platforms (e.g., iMessage, Google Maps)
- Hybrid Applications: Combine web and native elements (e.g., Instagram, Uber)
- Cross-Platform Applications: Work on multiple operating systems (e.g., Slack, Facebook)
Programming Languages
- Machine Language: Binary code, directly executed by the computer; very low-level
- Assembly Language: Uses mnemonics (keywords) for machine instructions, making it easier for humans to understand.
- High-Level Languages: Abstractions over hardware, enabling problem-oriented programming (e.g., Python, Java, C++)
- Programming Paradigms:
- Imperative: Focuses on how tasks are executed (e.g., procedural, object-oriented).
- Declarative: Focuses on what the program should achieve(e.g., functional, logic-based)
Software Development Life Cycle (SDLC)
- A structured process for creating, developing and maintaining high-quality software
- Phases of SDLC:
- Planning: Defines goals, feasibility and scheduling
- Analysis: Gathers and documents requirements (functional and non-functional)
- Design: Outlines architecture, user interfaces, technical specifications
- Implementation: Converting designs into code
- Testing: Ensures software error-free and meets requirements (unit, integration, performance, user acceptance)
- Deployment: Delivers software to users
- Maintenance: Fixing bugs, providing updates, monitoring performance
SDLC Models
- Waterfall: Sequential phases with minimal iteration, suitable for projects with stable requirements
- Iterative: Develops software incrementally, incorporating user feedback, ideal for evolving systems
- Agile: Emphasizes flexibility, collaboration, and iterative development, delivering working software in short cycles / sprints, prioritizing communication between customers and developers.
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Description
Test your knowledge on software fundamentals, including its types and features. Understand the difference between system software and application software while exploring their roles in managing hardware and user interactions.