Computers Input and Output

Computers Input and Output

Assessment

Flashcard

Science, Computers

4th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a bitmap?

Back

A bitmap is a type of digital image that is made up of a grid of pixels, where each pixel represents a color.

2.

FLASHCARD QUESTION

Front

What does RLE stand for in computer graphics?

Back

RLE stands for Run Length Encoding, a compression method that reduces the size of bitmap images by storing consecutive pixels of the same color as a single value.

3.

FLASHCARD QUESTION

Front

What is a pixel?

Back

A pixel is short for 'picture element' and is the smallest unit of a digital image, representing a single point in the bitmap.

4.

FLASHCARD QUESTION

Front

How does Run Length Encoding work?

Back

Run Length Encoding works by counting consecutive pixels of the same color and storing the color and the count instead of each pixel.

5.

FLASHCARD QUESTION

Front

Why is it important to stay safe on the internet?

Back

Staying safe on the internet helps protect personal information and prevents harmful interactions with strangers.

6.

FLASHCARD QUESTION

Front

What should you never do online?

Back

You should never give your personal information to someone you don't know.

7.

FLASHCARD QUESTION

Front

What is one way to report uncomfortable situations online?

Back

You should tell an adult if you feel uncomfortable, confused, or scared.

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