Comp Sci Quiz

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ASCII characters can also be represented by hexadecimal (base 16) numbers. According to the ASCII character encoding, which of the following characters is represented by the hexadecimal (base 16) number 6E16

n

Which ASCII character is represented by the decimal (base 10) number 120?

x

Which of the following lists the numbers in order from least to greatest?

1001(2), 10(10), C(16)

What is the highest possible score the ESPN website could display?

128(base10)

What is the decimal value of 1101(base 2)?

13(base 10)

How many different digits are used in the Hexadecimal number system?

16

How many different values can be represented using 4 bits?

16

Which of the following best describes the result of using 9-bit values instead of 8-bit values?

2 times as many items can be uniquely identified

Which of the following best describes the result of using 64-bit integers instead of 32-bit integers?

2^32

Which of the following is the best explanation for this result?

An overflow error occurred

Which number system is used to store information digitally in a computer?

Binary (base 2)

Which of the following is a true statement about the color encoded by this binary sequence:

The colour is mostly red

Which of the following could be a possible explanation for the difference in image quality?

The saved image files were compressed with a lossy compression technique.

Which of the following is a true statement about data compression?

There are trade-offs involved in choosing a compression technique for storing and transmitting data


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