2.  Apple Inc, is an American multinational corporation headquartered in Cupertino, California that designs, develops, and sells consumer electronics.  Apple Inc, is best known for hardware products, like Mac, iPad tablet computer.

3.  A browser is a software application for retrieving, presenting and traversing information resources on the world wide web.  We are using a browser to use computer.

4.  A computer is a general purpose device that can be programmed to carry out a finite set of arithmetic or logical operations.  Almost the people all around the world are using computer.

5.  Computer data is information processed or stored by a computer. This information may be in the form of text documents, images, audio clips, software programs, or other types of data.  Computer data may be processed by the computer's CPU and is stored in Files and folders on the computer's hard disk.

6.  E-mail has become one of today’s standard means of communication. Billions of messages are sent each year.  It’s easy and fast to communicate other with E- mail.

7.  Flash drives are typically no more than two to three inches in length and less than an inch in width. Each of them, could store lots of data in.  I use flash drive to save my projects.

8. GGoogle is the world’s most popular search engine. They developed a search engine algorithm that ranked web pages not just by content and keywords, but by how many other web pages linked to each page. This strategy produced more useful results than other search engines. AA lot of people are searching things on Google.

9.  When you save data or install programs on your computer, the information is typically written to your hard disk. The hard disk is a spindle of magnetic disks, called platters, that record and store information.  The things I save, or install some programs, will be written on to hard disk.

10.  The iPhone is a Smartphone developed by Apple. The first iPhone was released in June, 2007 and an updated version has been released roughly every year since then.  A lot of people is using iPhone made by apple.

11.  Java is a high-level programming language developed by Sun Microsystems. It was originally designed for developing programs for set-top boxes and handheld devices, but later became a popular choice for creating web application.  Java is a popular choice for creating web application.

12.  As the name implies, a keyboard is basically a board of keys. Along with the mouse, the keyboard is one of the primary input devices used with a computer.  We use keyboard to type.

13.  Laptop computers, also known as notebooks, are portable computers that you can take with you and use in different environments.  Laptop is a good technology because you can carry them around and use it.

14.  Stands for "MPEG-1 Audio Layer-3." MP3 is popular compressed audio file format that helped popularize digital music downloads beginning in the late 1990s.  We use mp3 to listen to music.

15.  When you have two or more computers connected to each other, you have a network. The purpose of a network is to enable the sharing of files and information between multiple systems.  We use network to share information and do many other things.

16.  In general, when a machine is "online," it is turned on and connected to other devices. For example, when a network printer is online, computers connected to that network can print from it.  The term online, usually means connected to the internet.

17.  Stands for "Personal computer." PCs are what most of us use on a daily basis for work or personal use.  PC allow us to write papers, create spreadsheets, track our finances, play games, and do many other things.

18.  This is a multimedia technology developed by our friends at Apple Computer. It is a popular format for creating and storing sound, graphics, and movie (.mov) files.  Even though is apple technology, is still available for Mac and PC.

19.  When you delete a file or folder in Windows, it is placed in the Recycle Bin. Items are temporarily stored in the Recycle Bin before they are permanently deleted by the user.  When I delete something, it would be placed in recycle bin.

20.  When the contents of a window are too large to be displayed entirely within the window, a scroll bar will appear. For example, if a web page is too long to fit within a window, a scroll bar will show up on the right-hand side of the window, allowing you to scroll up and down the page.  When I open a window scroll bar appears.

21.  A tablet, or tablet PC, is a portable computer that uses a touch screen as its primary input device. Most tablets are slightly smaller and weigh less than the average laptop.  Tablet is a very comfortable technology that you can use.

22.  A username is a name that uniquely identifies someone on a computer system.  You needs a username to create account.

23.  Like a biological virus, a computer virus is something you don't want to get. Computer viruses are small programs or scripts that can negatively affect the health of your computer.  Virus is a program that is not good for your computer.

24.  A website, or Web site, is not the same thing as a Web page. Though the two terms are often used interchangeably, they should not be. So what's the difference? To put it simply, a Web site is a collection of Web pages.  For example, Amazon.com is a Web site, but there are millions of Web pages that make up the site.

25.  Stands for "Extensible Hypertext Markup Language." Yes, apparently "Extensible" starts with an "X." XHTML is a spinoff of the hypertext markup language (HTML) used for creating Web pages.  XHTML is a spinoff of the hypertext markup language used for creating a web pages.

26.  YouTube is a video sharing service that allows users to watch videos posted by other users and upload videos of their own.  A lot of people watch videos on You Tube.

27.  A zero day exploit is a malicious computer attack that takes advantage of a security hole before the vulnerability is known.  Zero day exploits may involve viruses, Trojan horses, worms or other malicious code that can be run within a software program.

28.  www.techterms.com/a-z www.techterms.com/a-z  www.wikipedia.org www.wikipedia.org