Computer In Business.

Define hardware and software. describe the four basic categories of personal computer hardware in short.

Hardware: Hardware is the physical parts of a computer. You can touch them, like the keyboard, mouse, and monitor.

Software: Software is the programs and instructions that tell the computer what to do. You cannot touch software.

Four Basic Categories of Personal Computer Hardware:

1. Input Devices:
   • These are used to give data to the computer.
   • Examples: Keyboard, mouse.
2. Output Devices:
   • These show the results from the computer.
   • Examples: Monitor, printer.
3. Storage Devices:
   • These save data and programs.
   • Examples: Hard drive, USB.
4. Processing Unit:
   • This is the brain of the computer. It processes data.
   • Example: CPU (Central Processing Unit).

What are Web Utilities?

Web utilities are tools or software programs used to make internet tasks easier. They help users manage, create, or improve web content and activities.

Common Uses of Web Utilities:

1. File Sharing:
   • Share documents, photos, and videos online.
   • Example: Google Drive, Dropbox.
2. Website Management:
   • Create, edit, or maintain websites.
   • Example: WordPress, Wix.
3. Search Optimization:
   • Improve a website’s visibility on search engines.
   • Example: SEO tools like Ahrefs, SEMrush.
4. Security Tools:
   • Protect websites and data from threats.
   • Example: Antivirus, firewalls.
5. Online Communication:
   • Help in chatting or video calling.
   • Example: Zoom, WhatsApp Web.

What is Data?

Data is information stored in a computer. It can be text, numbers, images, audio, or video. Computers process data to give useful results.