IT Fundamentals Quiz

What is the primary function of a CPU in a computer system?

• Display images and videos.

• Connect to the internet.

• Execute instructions and perform calculations

• Store data and files.

Which component of a computer is responsible for storing data and programs even when the power is turned off?

• Random-access memory (RAM)

• Central processing unit (CPU)

• Graphics processing unit (GPU)

• Hard disk drive (HDD) or solid-state drive (SSD)

What is the purpose of RAM in a computer?

• Permanent storage for data and instructions.

• A cooling system for the computer.

• A display for visual output.

• Temporary storage for data and instructions actively used by the CPU.

What is the function of a motherboard in a computer system?

• To connect and communicate between hardware components

• To control the speed of the computer system.

• To store data and files.

• To provide power to the computer system.

What is the purpose of a network switch in a computer network?

• The purpose of a network switch is to protect against malware and cyber attacks in a computer network.

• The purpose of a network switch is to connect and manage communication between multiple devices in a computer network.

• The purpose of a network switch is to provide wireless connectivity in a computer network.

• The purpose of a network switch is to store and manage data in a computer network.

What is the difference between a hub and a switch in a computer network?

• A hub sends data to the intended recipient, whereas a switch broadcasts incoming data to all connected devices.

• A hub and a switch both send data to the intended recipient and broadcast incoming data to all connected devices.

• The main difference between a hub and a switch is that a hub broadcasts incoming data to all connected devices, whereas a switch only sends data to the intended recipient.

• A hub and a switch are the same thing and can be used interchangeably in a computer network.

What is an IP address used for in networking?

• An IP address is used for managing network security.

• An IP address is used for identifying and locating devices on a network.

• An IP address is used for establishing a wireless connection.

• An IP address is used for encrypting data in a network.

What is the purpose of a router in a computer network?

• The purpose of a router in a computer network is to connect multiple networks together and direct traffic between them.

• The purpose of a router in a computer network is to provide power to connected devices.

• The purpose of a router in a computer network is to store and manage data.

• The purpose of a router in a computer network is to encrypt and secure data transmission.

What is the difference between a LAN and a WAN?

• A LAN is a wireless network, while a WAN is a wired network.

• A LAN is used for personal use, while a WAN is used for business purposes.

• A LAN is slower than a WAN in terms of data transfer speed.

• A LAN is a local network that covers a small area, while a WAN is a wide network that covers a large area.

What is the purpose of a firewall in a computer network?

• To block all network traffic.

• To monitor and control network traffic

• To increase network speed.

• To encrypt network traffic.