Section 2 Terms Autumn Buchsenschutz

Files File- A named collection of stored data. Executable File- A file that is used to perform various functions or operations on a computer. Cannot be read because it has been compiled. Data File- Created by a user, a file that stores data to be used by a computer application or system.

Blu-Ray Disc Blu-Ray Disc- Used for storing high-definition video, stores up to 500 GB of data on up to 20 layers. BD-R- Blue-ray discs that you can record to once. BD-RE- Blu-ray discs that you can record to multiple times.

Binary Digits Binary Digit (bit)- The smallest piece of data a computer can process. Kilobyte (KB)- is 1024 bytes or approximately 1 thousand bytes. Gigabyte (GB)- is 1,073,741,824 bytes, approximately 1 million bytes. Petabyte (PB)- is approximately 1000 terabytes. Kilobytes per second (Kbps)- A unit of data transfer rate equal too, 8,000 bits per second, 1,000 bytes per second, and 8 kilobits per second.

Data 3G, 4G- The standards used by cell phone companies to transmit data. LTE (long-term evolution)- A newer wireless standard used by some cell phone companies to deliver access to their 4G network.

Software Adware- Software installed along with another program, usually with the users permission. Database management software- Lets you connect and manage data. Antivirus software- Searches executable files for the sequences of the characters that might cause harm, and disinfects the files by erasing or disabling those commands. Accounting software- Helps individuals and businesses input and track income and expenses, and create and tack budgets. Photo editing software- Allows you to edit and manipulate digital photos.

Cache Memory Cache memory- A special high-speed memory chip on the motherboard or CPU. What does it do? Allows high-speed retrieval.

Device Driver Device driver- Computer programs that handle the transmission protocol between a computer and a device. For example, you need a printer’s device driver to be able to communicate between your computer and your printer.

Cloud Computing Cloud computing- Means that data, applications, and even resources are stored on servers accessed over the Internet rather than on users’ computers, and you access only what you need when you need it.