Computing Revision.

Computing Revision.

1. Output is the process being displayed. Examples of output devices. 3D Printer. Braille embosser. Braille reader. Flat panel. GPS. Headphones. Computer Output Microfilm (COM) Monitor.

2. An input device is any hardware device that sends data to a computer, allowing you to interact with and control the computer. . Input can take a variety of forms, from commands you enter from the keyboard to data from another computer or device. A device that feeds data into a computer, such as a keyboard or mouse, is called an input device. The act of entering data into a computer.

3. Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media used to retain digital data. It is a core function and fundamental component of computers. The central processing unit (CPU) of a computer is what manipulates data by performing computations.

   • Optical storage is the storage of data on an optically readable medium. Data is recorded by making marks in a pattern that can be read back with the aid of light, usually a beam of laser light precisely focused on a spinning optical disc.

4. Binary

   • In the standard number system have ten different digits 0,1,2,3,4,5,6,7,8,9. This is called denary, decimal or base 10.
   • Binary only uses two different digits 0 and 1 his is called base 2.

5. Connection types

   • WI-FI is a facility allowing computers and smartphones and other devises to connect to the Internet or communicate with one another wirelessly within a particular area.
   • Bluetooth is the short-range wireless interconnection of mobile phones, computers, and other devices.
   • Ethernet is a system for connecting a number of computer systems to a local area network.