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Important Digital Logic and Design Short Questions

Chapter: 3
Question 1:
How can negative exponents be represented in floating-point format?
Answer: Negative exponents can be represented using a biased exponent, where a constant is added to the actual exponent to allow for both positive and negative values.
Chapter: 3
Question 2:
What is the Hexadecimal number system?
Answer: The Hexadecimal number system is a base-16 system used to represent binary numbers in a more compact and readable form.
Chapter: 3
Question 3:
How can you convert a binary number to hexadecimal?
Answer: To convert binary to hexadecimal, group the binary digits into sets of four starting from the right and replace each group with its hexadecimal equivalent.
Chapter: 3
Question 4:
What is the repeated division method for converting decimal to hexadecimal?
Answer: The repeated division method involves continuously dividing the decimal number by 16 and recording the remainders, which are then used to form the hexadecimal number.
Chapter: 3
Question 5:
How do you convert a hexadecimal number back to decimal?
Answer: To convert hexadecimal to decimal, multiply each digit by its corresponding power of 16 and sum the results.
Chapter: 4
Question 6:
What is the base value of the Octal number system?
Answer: The Octal number system is a base-8 system with digits ranging from 0 to 7.
Chapter: 4
Question 7:
Why is the Octal number system not commonly used in modern digital systems?
Answer: The Octal number system is not used in modern digital systems because the Hexadecimal number system, which is more convenient, is available.
Chapter: 4
Question 8:
How many bits does each digit in an Octal number represent in binary?
Answer: Each Octal digit represents a 3-bit binary number.
Chapter: 4
Question 9:
How do you represent the decimal number 8 in the Octal system?
Answer: In the Octal system, the decimal number 8 is represented as 10₈.
Chapter: 4
Question 10:
How do you convert a binary number to an Octal number?
Answer: To convert a binary number to Octal, group the binary digits in sets of three, starting from the least significant bit, and replace each group with its Octal equivalent.