16 Questions
What is the base of the hexadecimal number system?
16
How many digits does the octal number system use?
8
What does BCD stand for in digital electronics?
Binary Coded Decimal
Which system uses only two digits to represent numbers?
Binary
What is the place-holding value in any number system?
Zero
What is used to represent any number in the decimal number system?
10 digits [0–9]
What does the rightmost digit represent in a two-digit number in the decimal system?
The same value as itself
What is the significance of adding a digit to the left in a number system?
It increases the value of each position by 10 times
How is the number 100 represented in a number system with ten different symbols?
100
What is the meaning of a digit based on its position in the decimal number system?
It represents 10 times the value when in the tens place
What does the leftmost digit represent in a three-digit number in the decimal system?
Thousand times the value
What does the binary system use to represent a number?
Only 0 and 1
What happens when all symbols have been used on both digits in a number?
Both digits become zero and another digit is added to the left
What does a single digit number represent in a decimal number system?
It represents its value
What does the middle digit represent in a three-digit number in the decimal system?
Ten times its value
How do we represent the number 15 with no tens and hundreds in a number system?
1005
Test your knowledge of digital electronics and microprocessor unit 1, focusing on number systems, conversions, complements, and codes such as BCD, Excess-3, and Gray codes. This quiz is designed to help you understand and calculate various number systems covered in the unit content.
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