Questions and Answers
What are the two main categories of computer software?
System software and application software
Name one major function of an operating system related to CPU management.
Helping a CPU to manage or control internal computer operations
What is the difference between multiprogramming and multiprocessing environments?
Multiprogramming allows multiple programs to run on one CPU, while multiprocessing uses multiple processors to handle data and instructions.
List two types of system software.
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What function does an operating system perform regarding system security?
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How does an operating system facilitate user and CPU communication?
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What basic function does an operating system perform to manage hardware and software resources?
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What is the role of interrupts in operating systems?
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What is the primary function of system support software?
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Name two tasks performed by utility programs.
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What distinguishes dedicated software from general purpose software?
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How does application software differ from system software in the context of problem solving?
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What is the role of database management systems?
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List two examples of security software.
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What is the significance of system documentation?
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What is computer-aided software engineering (CASE)?
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Explain why application software can be considered essential for organizations.
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How do some organizational software packages contribute directly to problem solving?
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Study Notes
Classification of Software
- Two main types exist: System software and Application software.
System Software
- Comprises three basic categories:
- System Control Software
- System Support Software
- System Development Software
System Control Software
- Monitors, controls, coordinates, and manages computer resources.
- Divided into:
- Operating System and Its Functions
- Operating System Environments
Operating System Functions
- Serves as an interface between users, software for processing data, and hardware.
- Major functions include:
- Managing internal computer operations of the CPU.
- Facilitating communication between the user and the CPU.
- Enabling communication with peripheral devices.
- Automating program functions to enhance efficiency.
- Other functions include:
- Scheduling jobs
- Managing hardware and software resources
- Maintaining system security
- Enabling multiple user resource sharing
- Handling interrupts
- Maintaining usage records
Operating System Environments
- Two types:
- Multiprogramming: Multiple users run several programs on a single CPU, switching between them, executing only one at a time.
- Multiprocessing: Involves multiple processors for processing, suitable for complex operations requiring extensive processing.
System Support Software
- Supports the execution of computer programs and includes:
- Utility Programs: Perform tasks like disk formatting, file recovery, data sorting, and online help.
- Programming Services Software: Includes language translators, system loaders, link editors, and system librarians.
- Database Management Systems: Programs for defining, creating, accessing, and manipulating data in databases.
- Security Software: Protects systems from unauthorized access (e.g., password programs, file protection, encryption).
- System Documentation: Consists of manuals, flowcharts, reference guides, and operating instructions.
System Development Software
- Facilitates the design and improvement of systems, also known as Computer Aided Software Engineering (CASE).
Application Software
- Aids in managing the organization's resources, categorized into:
- General Purpose Software: Designed for common tasks like payroll, inventory management, and accounting.
- Dedicated Software: Tailored for specific applications (e.g., logistic software for efficient goods and services flow).
Role of Software in Problem Solving
- Software can play direct or indirect roles in solving problems.
- System Software generally plays an indirect role.
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Application Software can play both roles:
- Most general business packages contribute indirectly by maintaining databases.
- Some industry-specific packages provide components that actively contribute to problem solving.
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Description
This quiz explores the classification of software, focusing on the two main types: system software and application software. It delves into the different categories of system software, including system control software, system support software, and system development software. Test your knowledge on the various functions and characteristics of these software types.
