computing rev half term 2

Question	Answer
Data	fact & figures without context. for example number, letter, and images.
Binary	a number system that contains, two digits, 0 and 1. also known as base 2.
Bit	a binary digit, the smallest unit of data in computing represented by a 1 & 0 in binary.
byte	the name for 8 bits.
Denary	the number system most commonly used by people. It contains 10 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 Omar Hassan over 6 years ago