Computer Science Terms

Kilobyte (KB)

• One kilobyte is equal to 1,000 bytes.

• One kilobyte is equal to 1,024 bytes.

• One kilobyte is equal to 100 bytes.

• One kilobyte is equal to 10,000 bytes.

Transistor

• A device that amplifies electrical signals and replaces mechanical relays.

• A type of battery used in electronic devices.

• A large, heavy device used for power generation.

• An outdated technology that has been completely replaced.

Lossy Compression

• A compression algorithm that slightly alters the data to make it easier to store.

• JPG

• MP3

• MP4

Bit

• The smallest unit of digital information.

• A type of computer memory.

• A unit of measurement for data transfer speed.

• A programming language used for web development.

Input

• Information that a user physically enters into a computer by pressing a key on a keyboard, clicking a mouse, tapping a touch screen, pushing a button on a game controller, speaking into a microphone, etc.

• Data that is processed by a computer to produce output.

• Instructions given to a computer to perform specific tasks.

• The result produced by a computer after processing data.

Terabyte (TB)

What is one terabyte equal to?

• 500 gigabytes

• 1,000 gigabytes

• 2,000 gigabytes

• 750 gigabytes

Processing

• The operations performed by a computer to retrieve, transform, or classify information.

• The act of storing data in a database.

• The process of creating software applications.

• The method of securing data from unauthorized access.

Megabyte (MB)

• One megabyte is one million bytes of information.

• One megabyte equals 500 kilobytes.

• One megabyte is equal to 2 million bytes.

• One megabyte equals 1,500 kilobytes.

Lossless Compression

• GIF

• PNG

• ZIP

• JPEG

Output

• Information that a computer returns to a user such as images on a screen, sounds from speakers, and printed pages.

• Data that is inputted into a computer for processing.

• The process of storing data in a computer's memory.

• Instructions given to a computer to perform a task.