Computer Basics Wk1 day 1-2

Computer

An electronic device that processes data and performs tasks according to a set of instructions.

Hardware

physical part of the computer

Central Processing Unit CPU

The "brain" of the computer. It performs calculations and executes instructions. It's where all the processing happens.

Memory (RAM)

Short-term memory that stores data that the CPU is actively using. It is fast but temporary — when you turn off the computer, everything in ___ is lost.

Storage

This is where all your files, programs, and data are kept long-term.

Input Devices

Devices that allow you to interact with the computer.

Types of input devices

keyboard, mouse, microphone

Output devices

Devices that display or provide information from the computer.

Types of output devices

monitor, speakers, printer.

Software

refers to the programs and operating systems that tell the hardware what to do. Can be divided into two types.

Operating Systems OS

the main software that controls the hardware and manages all other software.

Examples of an Operating system

Windows, macOS, Linux, Android or iOS

Applications

specific programs that perform tasks.

Examples of Applications

Web browsers, word processors, games, media players

Input

You give the computer information (through keyboard, mouse, microphone, etc.).

Processing

The CPU processes this information according to the instructions from the software.

Output

The computer gives back results (on the monitor, through speakers, etc.).

Storage

Data is saved on storage devices for future use.

File Management

You can store, organize, and retrieve files on your computer. Files can be anything from documents to photos or videos.

Networking

Computers can connect to each other, sharing information over networks like the internet or local networks.

Security

Computers can be vulnerable to threats like viruses, so it's important to have protection (such as antivirus software) and understand safe browsing practices.

Desktop

The main screen you see when you start your computer, where icons for programs, files, and settings are displayed.

File

A collection of data stored on the computer. Files can be documents, images, videos, etc.

Folder

A container that holds files. It helps you organize your files into categories.

Browser

A software application used to access websites. Examples include Google Chrome, Mozilla Firefox, Safari.

Download/Upload

means transferring data from the internet to your computer, while uploading is sending data from your computer to the internet

Websites

A collection of related web pages you can access via a browser.

Search engines

Tools like Google, Bing, and Yahoo that help you find information on the internet.

Email

A method of sending and receiving messages electronically. Examples include Gmail, Yahoo Mail, and Outlook.

Restarting

If something isn't working, restarting the computer can often solve the problem.

Updating

Ensure your operating system and software are up to date to fix bugs and improve security.

Checking cables

Make sure everything is properly connected (especially for desktop computers or printers).