What is the denary number system?

Our usual base 10 number system

A special number system for computers

What is the point of binary?

It represents how computers interpret electrical signals

Because we like to make you do extra maths

Because it represents True and False

Because it describes star systems

the smallest unit of data in a computer.

a numerical label assigned to each device.

is a numeral system made up of 16 symbols.

How does image resolution affect file size?

The more pixels per inch the greater the file size

the bigger the screen the greater the size

What is meant by the term 'colour depth'?

Number of bits used to encode each pixel.

What is a bitmap image?

An image stored as a series of bits where each bit represents a part of an image

What is meant by the resolution of an image?

The number of pixels in an image

The number of bits in each pixel

Data Representation Quiz Year 9

Quiz

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Computers

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9th Grade

•

Practice Problem

•

Medium

•

CCSS

4.NBT.A.2, 2.OA.C.3, 2.NBT.A.3

Standards-aligned

Freddie Price

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