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DCT Chp1
Chapter 1 vocab
Term | Definition |
---|---|
software | a set of instructions, also called a program or application, that tells a computer how to perform a task. |
operating system | Software that controls all of the other software programs and allow the computer to perform basic tasks. |
hardware | All of the physical parts of a computer |
digital | Information that is represented as individual pieces of data using the numbers 1 and 0, rather than as a continuous stream. |
hard drive | The built-on storage device inside a computer. |
input | Information that is entered into a computer. |
output | Information that a computer produces or processes. |
external storage device | A storage device that can be easily removed from a computer and is often small and portable. |
read-only memory (rom) | Memory that holds data that can be read by a digital device but cannot be changed or deleted. |
e-portfolio | A collection of the best documents and projects you have created and saved in an electronic format. |
speech recognition | allows a user to enter text and give commands to the computer by speaking into a microphone. |
PDA | handheld computers |
tablet PC | Uses a pen to enter text, symbol, and commands by touching the soft, or on-screen keyboard with the digital pen. |
WordPad | allows you to create simple text documents and save them. |
Handheld education | Learning by using handheld devices such as Ipads, Ipods, and Iphones. |