Exploring Computers and Technology

What are the main components of computer hardware?

• Operating system, software applications, and network cables

• The main components of computer hardware are CPU, RAM, storage devices, motherboard, power supply, and input/output devices.

• Web browser, email client, and antivirus software

• Graphics card, sound card, and cooling system

Answer explanation

The correct choice identifies the main components of computer hardware, including CPU, RAM, storage devices, motherboard, power supply, and input/output devices, which are essential for a computer's operation.

Name three types of input devices.

• Printer

• Monitor

• Keyboard, Mouse, Scanner

• Projector

Answer explanation

The correct answer is 'Keyboard, Mouse, Scanner' as these are all input devices used to enter data into a computer. A printer and projector are output devices, while a monitor displays information but does not input data.

What is the function of a CPU in a computer?

• The function of a CPU in a computer is to execute instructions and process data.

• To provide power to the computer

• To store data permanently

• To manage network connections

Answer explanation

The correct choice highlights that the CPU's primary role is to execute instructions and process data, making it the central component for computing tasks, unlike the other options which describe different functions.

What is an operating system?

• A programming language

• A web browser

• A type of computer hardware

• An operating system is software that manages computer hardware and software resources.

Answer explanation

An operating system is essential software that manages both the hardware and software resources of a computer, making it the correct choice among the options provided.

Can you name two popular operating systems?

• Microsoft Windows, macOS

• Android OS

• Ubuntu Server

• Linux Mint

Answer explanation

Microsoft Windows and macOS are two of the most widely used operating systems, known for their user-friendly interfaces and extensive software support, making them popular choices for personal and professional use.

What is the purpose of software applications?

• To manage physical storage of data.

• To provide internet connectivity to devices.

• The purpose of software applications is to perform specific tasks for users.

• To create hardware components for computers.

Answer explanation

The correct choice highlights that software applications are designed to perform specific tasks for users, such as word processing, web browsing, or data management, making them essential tools for productivity.

How can software be used in education?

• Software cannot facilitate group collaboration among students.

• Software is only useful for administrative tasks in schools.

• Software can be used to replace teachers entirely.

• Software can be used in education to create interactive learning environments, manage courses, and provide personalized learning experiences.

Answer explanation

The correct choice highlights how software enhances education by creating interactive environments, managing courses, and personalizing learning, unlike the other options that underestimate software's role.

What is a computer network?

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

• A computer network is a collection of random devices without any connection.

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

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

Answer explanation

A computer network is correctly defined as a system of interconnected computers and devices that share resources and communicate with each other, enabling collaboration and data exchange.

What are the benefits of using a network?

• Increased hardware costs

• Limited access to information

• The benefits of using a network include resource sharing, improved communication, centralized data management, enhanced collaboration, and increased security.

• Decreased data security

Answer explanation

The correct choice highlights the benefits of using a network, such as resource sharing and improved communication, which enhance efficiency and collaboration, unlike the other options that suggest drawbacks.

What is the difference between a LAN and a WAN?

• A LAN is a network that connects multiple cities, while a WAN is a local network.

• A LAN is a local network, while a WAN is a network that spans a large geographical area.

• A LAN is a type of internet connection, while a WAN is a type of software.

• A LAN is used for long-distance communication, while a WAN is for short distances.

Answer explanation

A LAN (Local Area Network) connects devices within a small area, like a home or office, while a WAN (Wide Area Network) covers a large geographical area, connecting multiple LANs across cities or countries.