Representing Data Flashcards

Question	Answer
Data	Fact and figures without context, for example numbers letters and images.
Binary	A number system that only uses two digits, 1 and 0. Also known as base two.
Bit	A binary digit, the smallest unit of data in computing represented by a 1 or 0 in binary.
Byte	A name for 8 bits.
Denary	The number system used most commonly by people. It contains ten unique digits, 0 to 9. Also known as decimal or base 10.
Place value	The value that a digit has because of its position in a number.
Overflow error	An error that happens when the computer does not have enough space allocated to store the answer to a calculation so it loses part of the answer making it wrong.
Bitmap image	An image stored as a grid of binary numbers.
Colour depth	The amount of bits available for colours in an image.
Pixel	A single dot of colour in a bitmap image
Resolution	The number of pixels in a bitmap image. The higher the resolution of an image, the more detail it holds.

Resource summary

	Created by Nate Jermy over 7 years ago