Data Representation Part 2

Data Representation Part 2

9th - 11th Grade

22 Qs

quiz-placeholder

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Data Representation Part 2

Data Representation Part 2

Assessment

Quiz

Computers

9th - 11th Grade

Hard

Created by

Michelle Best

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22 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A kilobyte is usually rounded to 1000 bytes. But actually it is _____ bytes:

1024
512
1048
9600

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Upper and lower case letters have a different ASCII code. (3-4)

True
False

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the maximum number of values that can be represented in 7 bits? (4-6)

16
256
65,536
128

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is 27 in hexadecimal

1B
17
11011
1C

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is 126 in hexadecimal

7E
111110
76
7F

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is 19 in hexadecimal

13
10011
19
1A

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Colour depth refers to:

How many bits are used in a file to store colour information in every pixel
Resolution divided by the number of colours in an image.
Degree of file compression applied to an image file.
Repeated resampling of an image.

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