Understanding Bitmap Images and Binary Representation

Understanding Bitmap Images and Binary Representation

8th Grade

19 Qs

quiz-placeholder

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Understanding Bitmap Images and Binary Representation

Understanding Bitmap Images and Binary Representation

Assessment

Quiz

Computers

8th Grade

Practice Problem

Easy

Created by

Fergus McShane

Used 2+ times

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19 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a bitmap?

A type of vector image

A digital image made up of a grid of pixels

A type of audio file

A text document format

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a pixel represent in an image?

A single colour

A sound

A paragraph of text

A video frame

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula to calculate the number of colours in a bitmap?

n² colours where n is the number of bits

2ⁿ colours where n is the number of bits

n colours where n is the number of bits

n/2 colours where n is the number of bits

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is binary data stored in relation to bitmap images?

As a 3D model

In a circular pattern

Linearly but conceptually reconstructed into a 2D grid

As a sound wave

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the smallest unit of an image?

A byte

A pixel

A bit

A kilobyte

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does colour depth refer to?

The number of bits used to represent the colour of each pixel

The number of pixels in an image

The width of the image

The size of the image file

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the image size in pixels for an image 3456 pixels wide by 2592 pixels tall?

8,957,952 pixels

3,456 pixels

2,592 pixels

1,000,000 pixels

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