WorksheetsComputer Knowledge for Grade 9
Total questions: 10
Worksheet time: 5mins
What is the main function of an operating system?
To provide internet connectivity
The main function of an operating system is to manage computer hardware and software resources.
To run applications without hardware
To manage user passwords
Name two popular operating systems used today.
Ubuntu Server
Linux Mint
Chrome OS
Microsoft Windows, macOS
What is the purpose of a file system in an operating system?
To manage user permissions and access control.
To enhance the graphical user interface of the operating system.
To provide network connectivity for applications.
The purpose of a file system is to manage data storage and retrieval on a storage device.
Define what a computer network is.
A computer network is a system of interconnected computers and devices that can communicate and share resources.
A computer network is a type of software used for programming.
A computer network is a single computer that operates independently.
A computer network is a collection of unrelated devices that cannot communicate.
What are the two main types of computer networks?
Local Area Network (LAN) and Wide Area Network (WAN)
Cloud Network and Hybrid Network
Virtual Private Network (VPN) and Storage Area Network (SAN)
Metropolitan Area Network (MAN) and Personal Area Network (PAN)
What does LAN stand for, and how is it different from WAN?
LAN is used for global communications.
LAN is a type of internet connection.
LAN stands for Local Area Network.
LAN stands for Wide Area Network.
What is the role of a router in a network?
To amplify signals in a network
To provide wireless connectivity to devices
To store data packets for later use
The role of a router in a network is to direct data packets between different networks and determine the best path for data transmission.
Explain the term 'IP address'.
An IP address is a unique identifier for a device on a network.
A type of software used for network management.
A protocol for transferring files over the internet.
A method for encrypting data on a network.
What is the difference between a public and a private IP address?
Public IP addresses are used for local networks, while private IP addresses are accessible over the internet.
Public IP addresses are always static, while private IP addresses are always dynamic.
Private IP addresses can be accessed from anywhere on the internet, while public IP addresses are restricted to local use.
Public IP addresses are accessible over the internet, while private IP addresses are used within local networks and are not accessible from the internet.
What is the function of a firewall in a computer network?
To provide a backup for network devices.
To increase the speed of the network connection.
To store all network data for future analysis.
The function of a firewall in a computer network is to monitor and control network traffic to protect against unauthorized access and threats.
