Computer Science | Number System Quiz

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What is the 8-Bit binary number equivalent of the decimal number 38?

00100110

What is the decimal equivalent of the hexadecimal number A7

167

What is the decimal number system value of the 1-Byte (i.e. 8-Bit) binary number 10101010 ?

170

Any integer raised to the zero power is equal to zero

False

What is the hexadecimal number equivalent of the decimal number 160 ?

A0

The binary number system is used in computer assembly language / machine code. The transparency of this detail when programming in a higher-level language such as Python, is a primary computer science application of ...

Abstraction

What is the primary reason that the binary number system is used in computer science?

Computer circuits are essentially on and off switches

Which letter represents the decimal value 14 in the hexadecimal number system?

E

Order the number systems from the one that requires the fewest characters (bits) to represent a value to the one requiring the most characters to represent that value:

Hexadecimal, Decimal, Octal, Binary

Which of the folowing is NOT common to the binary, decimal, octal and hexadecimal number systems?

Only zeroes or ones can be used

Two fundamental measures of computer application efficiency are

Processing speed and required data storage space

The most common use of the hexadecimal number system in computer science is ...

Representing alphanumeric characters

A structural principle common to the decimal, binary, octal and hexadecimal number systems is

The number of possible characters available for each position is equal to the base number

Which characteristics DO NOT differentiate the binary, decimal, octal and hexadecimal number systems?

The orientation of increasing values from right to left, The power to which the base number is raised for a given position

Which statement is true for all of the number systems we've studied ?

The value of the first position is equal to one and the value of the second position is a multiple of the base number.

Binary, decimal, octal, and hexadecimal number systems share the same underlying mathematical model structure

true

Calculating the value of the first position in the binary, decimal, octal and hexadecimal number systems involves raising the base number to the zero power.

true


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