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Worksheets2ND QUARTER REVIEW 1
Total questions: 15
Worksheet time: 11mins
What is the primary purpose of number systems in digital electronics
To represent alphabetic characters
To store only whole numbers
To express numerical data in a format suitable for computation
To create graphical images
Which of the following is a commonly used number system in digital electronics?
Roman numerals
Binary
Hexadecimal
Both b) and c)
What is the base of the binary number system?
8
10
2
16
In the hexadecimal system, what is the digit that follows 9?
A
B
C
10
Why is the octal number system used less frequently in modern digital electronics?
It requires more digits to represent the same value compared to binary
It is not compatible with binary operations
It is harder to understand
It is more expensive
What is the process of converting a binary number to a decimal number called?
Binary subtraction
Binary addition
Binary conversion
Binary shifting
Which number system is often used to represent memory addresses in computer systems?
Binary
Hexadecimal
Octal
Decimal
What is the result of converting the decimal number 25 to binary?
11001
10100
11101
10011
When converting a hexadecimal number to binary, how many binary digits represent one hexadecimal digit?
2
4
6
8
What is the primary advantage of using the hexadecimal system in comparison to binary?
It is more compact
It is easier to convert to decimal
It is more compatible with human readability
It requires less memory
Which relationship best describes the conversion between binary and octal number systems?
1 binary digit = 1 octal digits
2 binary digit = 1 octal digits
3 binary digit = 1 octal digits
4 binary digit = 1 octal digits
In digital electronics, what is the purpose of the number system conversion process?
To confuse hackers
To save memory
To facilitate communication between different systems
To improve calculation speed
Which number system is commonly used in the representation of colors in graphics and web design?
How is the value of a binary number affected when shifting its digits to the right?
It increases
It decreases
It remains the same
It becomes negative
What is the significance of the term "radix" in the context of number systems?
It indicates the base of the number system
It represents the sign of the number
It signifies the precision of the number
It denotes the position of the decimal point
