Computer Knowledge Assessment

What is the main function of an operating system?

• To provide internet connectivity

• To enhance the visual appearance of software

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

• To run applications independently of hardware

Name one popular operating system used in personal computers.

• Linux

• macOS

• Microsoft Windows

• Chrome OS

What is a computer network?

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

• 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.

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

What is the purpose of a router in a network?

• To provide wireless connectivity only

• To store data for future use

• The purpose of a router in a network is to connect multiple networks and route data between them.

• To amplify the signal in a network

Define cybersecurity in your own words.

• Cybersecurity is the practice of defending computers, servers, mobile devices, and networks from malicious attacks.

• Cybersecurity is the process of creating software applications.

• Cybersecurity is the study of computer programming languages.

• Cybersecurity refers to the physical security of computer hardware.

What is a firewall and how does it work?

• A firewall is a physical barrier that prevents unauthorized access to buildings.

• A firewall is a device that boosts internet speed by compressing data.

• A firewall is a type of antivirus software that removes malware from devices.

• A firewall is a network security device that monitors and controls network traffic based on security rules.

What are the main components of computer hardware?

• CPU, RAM, storage devices, motherboard, power supply, input/output devices.

• Graphics card, sound card, cooling system

• Operating system, software applications, network cables

• Monitor, keyboard, mouse pad

What is the function of the CPU in a computer?

• The function of the CPU is to execute instructions and process data.

• To provide power to the computer

• To manage network connections

• To store data permanently

Explain the term 'malware'.

• Malware refers to a legal software that protects devices.

• Malware is a type of hardware used for data storage.

• Malware is a programming language used for app development.

• Malware is software designed to harm or exploit any programmable device or network.

What is the difference between RAM and ROM?

• RAM is used for permanent storage; ROM is used for temporary storage.

• RAM and ROM are both volatile and used for the same purpose.

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

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