Understanding Computers and the Internet

What are the main components of a desktop computer?

• operating system, software, network

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

• monitor, keyboard, mouse

• printer, scanner, speakers

Describe the function of input devices.

• Input devices are used to display information from the computer.

• Input devices function to store data permanently.

• Input devices function to capture user input and send it to the computer for processing.

• Input devices are primarily used for internet connectivity.

What is the purpose of output devices?

• To process data before it is sent to the user.

• The purpose of output devices is to present data from a computer to the user.

• To store data for future use.

• To enhance the computer's performance.

Explain the difference between memory and storage devices.

• Memory is temporary and fast (e.g., RAM), while storage is permanent and slower (e.g., hard drives).

• Memory is used for long-term data retention, while storage is for short-term access.

• Memory is permanent and slower, while storage is temporary and fast.

• Memory and storage are the same and serve identical functions.

List three types of ports and their uses.

• Thunderbolt Port: Used for charging mobile devices.

• DisplayPort: Used for connecting external storage drives.

• 1. USB Port: Used for connecting peripherals like keyboards and mice. 2. HDMI Port: Used for transmitting high-definition video and audio to displays. 3. Ethernet Port: Used for wired network connections.

• VGA Port: Used for connecting printers.

What are the different types of printers?

• Multifunction Copier

• Photo Printer

• Inkjet, Laser, Dot Matrix, Thermal, 3D

• Plotter

What is an operating system (OS)?

• A network protocol for internet communication.

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

• A programming language used for software development.

• A type of computer hardware that stores data.

What are the key features of Windows OS?

• Command line interface only

• Limited application support

• No regular updates

• Key features of Windows OS include a graphical user interface, multitasking, hardware compatibility, built-in security, application support, and regular updates.

Define application software and give examples.

• Operating systems like Windows and macOS

• Network protocols like TCP/IP

• Examples of application software include Microsoft Word, Excel, Adobe Photoshop, and web browsers like Google Chrome.

• Hardware components such as CPUs and GPUs

What is the difference between LAN and WAN?

• WAN is used for local connections only.

• LAN is a type of WAN.

• LAN and WAN are the same type of network.

• LAN is for local connections; WAN is for long-distance connections.