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WorksheetsInformatics for Grade 12 Students
Total questions: 10
Worksheet time: 5mins
What is the primary function of an operating system?
To serve as a programming language
The primary function of an operating system is to manage hardware and software resources.
To run applications exclusively
To provide internet connectivity
Define the term 'algorithm' in computer science.
A method for storing data in a database.
A type of hardware used in computers.
A programming language used for web development.
An algorithm is a step-by-step procedure for solving a problem or performing a task.
What is the difference between RAM and ROM?
RAM is non-volatile and used for temporary storage.
ROM is volatile and used for temporary storage.
RAM and ROM are both used for permanent storage.
RAM is volatile and used for temporary storage, while ROM is non-volatile and used for permanent storage.
Explain the concept of 'data structures' with examples.
Data structures are irrelevant to data management.
Data structures are only used for programming languages.
Data structures are organized formats for storing and managing data, with examples like arrays, linked lists, stacks, queues, trees, and hash tables.
Examples of data structures include only strings and integers.
What is the purpose of a compiler in programming?
To provide a user interface for programming languages.
To optimize the performance of the code at runtime.
To execute the code directly without any conversion.
The purpose of a compiler is to convert high-level programming code into machine code.
Describe the role of a database management system (DBMS).
A DBMS is primarily used for creating user interfaces.
The main function of a DBMS is to generate reports only.
A DBMS is responsible for hardware maintenance and upgrades.
The role of a DBMS is to manage and organize data in a database, providing tools for data manipulation, security, and integrity.
What are the main components of a computer network?
Only software applications
User interfaces
The main components of a computer network are devices (computers, servers, routers), transmission media (cables, wireless), and network protocols.
Power supply units
Define 'cloud computing' and its advantages.
Cloud computing is only for large enterprises.
Cloud computing eliminates the need for internet access.
Cloud computing is the delivery of computing services over the internet, offering advantages such as scalability, cost efficiency, accessibility, and automatic updates.
Cloud computing requires physical servers on-site.
What is the significance of cybersecurity in today's digital world?
Cybersecurity is primarily about physical security measures.
Cybersecurity is significant as it protects data, ensures information integrity, and maintains user trust in the digital world.
Cybersecurity is only important for large corporations.
Cybersecurity has no impact on user trust.
Explain the difference between object-oriented and procedural programming.
The main difference is that OOP organizes code around objects and their interactions, while procedural programming organizes code around functions and procedures.
OOP focuses on algorithms while procedural programming focuses on data structures.
OOP is primarily used for scripting, while procedural programming is used for system programming.
Procedural programming uses classes to encapsulate data, while OOP does not.
