Exploring Computer Concepts for 9th Graders

What is the primary function of a CPU?

• To execute instructions from computer programs.

• To store data permanently.

• To provide power to the computer.

• To manage network connections.

Define the term 'operating system'.

• A network protocol for internet communication.

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

• A type of computer hardware that stores data.

• A programming language used for software development.

What is the difference between RAM and ROM?

• RAM is volatile and used for temporary storage, while ROM is non-volatile and used for permanent storage.

• RAM is used for permanent storage, while ROM is used for temporary storage.

• RAM is non-volatile and used for temporary storage, while ROM is volatile and used for permanent storage.

• Both RAM and ROM are volatile and used for temporary storage.

Explain what a computer network is.

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

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

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

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

What does 'HTTP' stand for in web technology?

• Hypertext Transmission Protocol

• Hyperlink Transfer Protocol

• High Transfer Text Protocol

• Hypertext Transfer Protocol

Name two types of software applications.

• Web browser

• Operating system

• Productivity software, Database software

• Antivirus software

What is the purpose of an antivirus program?

• The purpose of an antivirus program is to protect computers from malware.

• To manage software updates.

• To enhance internet speed.

• To create backups of files.

Describe what cloud computing is.

• Cloud computing is a software application that runs exclusively on personal computers.

• Cloud computing is the delivery of computing services over the internet, enabling on-demand access to resources like storage, processing, and applications.

• Cloud computing is a type of physical server located in a data center.

• Cloud computing refers to the use of local storage devices for data management.

What is the function of a motherboard?

• To manage software applications

• To provide power to the CPU

• To store data permanently

• The function of a motherboard is to connect and allow communication between all computer components.

Explain the concept of binary code.

• Binary code is only used in computer graphics.

• Binary code uses three symbols: 0, 1, and 2.

• Binary code is a representation of data using two symbols, typically 0 and 1.

• Binary code is a type of programming language.