Representing Data Flashcards

Description

Use these for revision on representing data.
Nate Jermy
Flashcards by Nate Jermy, updated more than 1 year ago
Nate Jermy
Created by Nate Jermy over 6 years ago
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Resource summary

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.
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