Data Representation Quiz

Data Representation Quiz

8th Grade

30 Qs

quiz-placeholder

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Data Representation Quiz

Data Representation Quiz

Assessment

Quiz

Other

8th Grade

Medium

Created by

Anthony Moran

Used 1+ times

FREE Resource

30 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

Calculate 25 - 30 using 8-bit two's complement binary for subtraction. What is the binary result?

Evaluate responses using AI:

OFF

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why can't 7-bit ASCII represent characters from most non-English languages?

It does not provide enough unique codes

It is only binary, not decimal

It lacks graphics symbols

It only supports capital letters

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the decimal equivalent of the 8-bit binary number 0011 0100?

34

52

54

48

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why might lossless compression be preferred over lossy compression for text files?

It reduces the file size more significantly

It allows for easier editing post-compression

It preserves all original data

It is faster to compress and decompress

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following best defines a 'pixel'?

The smallest component of a digital image

A unit of digital storage

A type of computer virus

The basic unit of a program

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If a pixel in an image uses 8 bits for its color depth, how many different colors can it display?

256

Account the number of bits used for the color depth determines the range of colors available in an image.

128

512

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many different values can be represented with 6 bits?

32

64

48

16

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