Computing by Sayar Zinwai
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Unit 1 Quiz
Answer the following questions to test your understanding of binary and data representation.
1. How many bits are in a byte?
2
4
8
16
2. What base is the binary number system?
Base 4
Base 6
Base 8
Base 2
3. Which binary number is equal to decimal 5?
111
101
100
110
4. What does ADC stand for?
Analogue Data Converter
Analogue‑to‑Digital Converter
Array Data Calculator
Anti Digital Conversion
5. Which of the following is
not
a binary digit?
0
1
2
Both A and B
6. What is the binary representation of decimal 10?
1110
1010
1100
1001
7. When adding binary numbers, what happens if you add 1 + 1?
0 (with no carry)
1 (with no carry)
10 (0 with carry 1)
11 (1 with carry 1)
8. Which code is commonly used to represent characters?
ASCII
JPEG
HTML
HTTP
9. In a digital image, a pixel stores information about...
The sound of a picture
The colour and brightness
The length of a file
The number of pages
10. A sound sampled more often will usually...
Have better quality
Be quieter
Use less memory
Have fewer bits
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