CT

• The internet is a network of interconnected networks, also known as the hardware part of the internet, which includes cables, fiber, computers, telephone lines, routers, and other hardware.
• The browser is the software that you need to view web pages, and there are many choices such as Microsoft Internet Explorer, Mozilla Firefox, Google Chrome, and others.
• A web page is one screen of data when you're looking at webs, and a website is all those related pages put together for an individual or an organization.
• The slashes in a URL are used to indicate folder levels on a computer.
• The domain name of a website is represented by the part of a URL after the business comm.
• The S in a URL stands for secure if it's present, it indicates that the website is secure.
• HTTP is the protocol that precedes the S in a URL.
• The last part of a URL, often represented by a .htm, is the location of the file on the web server.
• The homepage is the first page of any website, often referred to as the door that brings you into the rest of the website, and the file name is usually called index.
• Web pages reside on a specific type of computer called a web server, which is connected to the Internet in a way that allows it to be open for public viewing.
• HTML is the basic code of all web pages, and there are many different codes nowadays, but HTML is where it all started.
• HTTP, or hypertext Transfer Protocol, is a protocol for transferring files over the web.
• A URL, or Uniform Resource locator, is the address of a web page.
• Computers use memory to store and process data and instructions fed into them, unlike humans, computer memory is very stable, precise, and capable of processing complex details within a short time.
• Computer memory is measured using bits, which can also be measured in bytes.
• There are two types of memory in computers: primary memory and secondary memory.
• Primary memory consists of two types: random access memory (RAM) and read-only memory (ROM).
• RAM is known as the read-write memory, where data and instructions can be written onto and unread from.
• ROM is a type of permanent memory, used to store a special program called the BIOS (Basic Input/Output System).
• Secondary memory, also known as auxiliary memory, external memory, or backup memory, is used to supplement the limited storage capacity of primary memory.
• Hard disk is a primary type of non-volatile memory used to store data on a computer, it can store large amounts of data and can reside inside the computer or additionally outside as well.
• Compact disk (CD) is another form of non-volatile memory, it is portable, cheaper, and can store large amounts of data.
• Digital versatile disk (DVD) is similar to its look but it is capable of storing six times the data stored in a compact disk, it can also be single-sided or double-sided increasing the capacity further.
• Flashcard>A memory card is a small memory device used to store data in various electronic devices such as digital cameras, smartphones, MP3 players, and many more.
• Floppy disks were once widely used in every computer, they were the first portable secondary memory that was commercially successful, they came in three different sizes: 8 inch, 5 and one quarter inch, and 3 and a half inch.
• Netiquette is a set of rules that encourages politeness and respect on the internet, helping us relate better with other people while expressing our opinions and respecting those of others.
• Netiquette helps us avoid misunderstandings and problems with other internet users, protecting our privacy and that of others.
• Netiquette rules apply when communicating with others on social media, for example.
• Computer software is a set of instructions that guide the computer hardware and tell the hardware what to do when to do and how to do a task.
• Computer software is divided into application software and system software.
• Application software are programs that help the user perform specific tasks such as word processing, database, spreadsheet, and presentation.
• System software is a set of program that controls the computer hardware and provides the platform for running the application software.
• System software is divided into operating system software and utility software.
• Operating system is a software that acts as an interface between the user and the computer system.
• Operating systems for desktop and laptop computer are Microsoft Windows, Linux, and Mac OS.
• Microsoft Windows is a very popular operating system created by Microsoft.
• The founder of Microsoft is Bill Gates.
• Mac OS is an operating system created by Apple, the founder of Apple is Steve Jobs and Steve Wozniak.
• Linux is a free operating system that can be downloaded from the internet, it was developed by Linus Torvalds.
• Operating systems for mobile devices are Android and Apple iOS, Android is the most common mobile operating system used for mobile phone and tablets, iOS is used on iPhone and iPad.