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Test: Text, Sound and Images - Year 11 MCQ


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10 Questions MCQ Test Computer for GCSE/IGCSE - Test: Text, Sound and Images

Test: Text, Sound and Images for Year 11 2024 is part of Computer for GCSE/IGCSE preparation. The Test: Text, Sound and Images questions and answers have been prepared according to the Year 11 exam syllabus.The Test: Text, Sound and Images MCQs are made for Year 11 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Text, Sound and Images below.
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Test: Text, Sound and Images - Question 1

Which character set uses 7-bit binary codes to represent characters including letters, digits, and punctuation?

Detailed Solution for Test: Text, Sound and Images - Question 1
ASCII uses unique 7-bit binary codes to represent characters, including letters, digits, punctuation, and control characters.
Test: Text, Sound and Images - Question 2

What is the main advantage of Unicode over ASCII?

Detailed Solution for Test: Text, Sound and Images - Question 2
Unicode can represent characters from multiple languages and includes a wide range of symbols, overcoming ASCII's limitations.
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Test: Text, Sound and Images - Question 3

How is the heart symbol represented in Unicode?

Detailed Solution for Test: Text, Sound and Images - Question 3
The heart symbol’s Unicode code is U+2665, which is translated into binary as 11100110 10011000 10100101.
Test: Text, Sound and Images - Question 4
What is the process of measuring sound waves at consistent intervals and converting these measurements into binary data called?
Detailed Solution for Test: Text, Sound and Images - Question 4
Sampling is the method of measuring sound waves at regular intervals and converting these measurements into binary data for digital processing.
Test: Text, Sound and Images - Question 5
What sample rate is typically used for CD-quality digital sound?
Detailed Solution for Test: Text, Sound and Images - Question 5
CD-quality digital sound typically operates at a sample rate of 44.1 kHz, meaning 44,100 samples are captured per second.
Test: Text, Sound and Images - Question 6
In terms of digital sound, what does sample resolution refer to?
Detailed Solution for Test: Text, Sound and Images - Question 6
Sample resolution refers to the number of bits used for each sample, determining the detail and accuracy of the sound representation.
Test: Text, Sound and Images - Question 7
Which file format contains instructions on how a sound should be played and does not store the actual sounds?
Detailed Solution for Test: Text, Sound and Images - Question 7
MIDI files contain data for playing sounds rather than storing the actual sounds themselves, specifying details like note duration, volume, and instrument type.
Test: Text, Sound and Images - Question 8
What does the resolution of a bitmap image indicate?
Detailed Solution for Test: Text, Sound and Images - Question 8
The resolution of a bitmap image indicates the number of pixels it contains, which affects its sharpness and detail.
Test: Text, Sound and Images - Question 9

How many distinct colors can be represented with an 8-bit color depth?

Detailed Solution for Test: Text, Sound and Images - Question 9

With an 8-bit color depth, 256 distinct colors can be represented, as 28 equals 256.

Test: Text, Sound and Images - Question 10
What impact does increasing the resolution and color depth of an image have on file size?
Detailed Solution for Test: Text, Sound and Images - Question 10
Increasing the resolution and color depth of an image requires more binary data for representation, thereby increasing the file size.
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