Informatics for Grade 7

What is the main function of an operating system?

• To provide internet connectivity to devices.

• To enhance the graphical user interface of applications.

• To store data permanently on the hard drive.

• The main function of an operating system is to manage computer hardware and software resources.

Define the term 'software'.

• Software is a set of instructions and data that enables a computer to perform tasks.

• Software is a type of hardware component.

• Software refers to physical devices used in computing.

• Software is a programming language used to create applications.

What is the difference between hardware and software?

• Hardware and software are the same thing, just different terms.

• Software is the physical components of a computer system.

• Hardware refers to the software applications used on a computer.

• Hardware is the physical parts of a computer; software is the programs that run on the hardware.

Name three types of software applications.

• Web Development Software

• Graphic Design Software

• Word Processing Software, Spreadsheet Software, Database Management Software

• Video Editing Software

What does CPU stand for?

• Central Processing Organization

• Central Processing Operation

• Computer Processing Unit

• Central Processing Unit

Explain what a computer network is.

• A computer network is a system of interconnected devices that communicate and share resources.

• A computer network is a type of software used for programming.

• A computer network is a single device that operates independently.

• A computer network is a collection of random devices that do not communicate.

What is the purpose of an algorithm?

• To replace the need for human decision-making entirely.

• To generate artistic content without any rules.

• To create random data for testing purposes.

• The purpose of an algorithm is to provide a systematic method for solving problems or performing tasks.

What is the function of RAM in a computer?

• RAM is responsible for managing network connections.

• RAM stores permanent data for long-term use.

• RAM controls the power supply to the computer.

• The function of RAM in a computer is to provide temporary storage for data and instructions that the CPU needs for quick access and processing.

Define 'database' in the context of computer science.

• A database is a structured collection of data stored electronically, managed by a DBMS.

• A database is a temporary storage space for files.

• A database is a programming language for data manipulation.

• A database is a type of hardware used for data storage.

What is the Internet?

• A type of computer hardware.

• A software application for editing videos.

• The Internet is a global network of interconnected computers.

• A social media platform for sharing photos.