CYBR 3123 Quiz 2 | UPDATED Questions with 100% Verified
Answers
Q1: The largest positive unsigned decimal number that can be expressed in 6 bits is 63.
A: True
Q2: 671 (base 10) = ____________ (base 9)
A: 825
Q3: CRCs use systematic error detection.
A: True
Q4: 1101101 (base 2) = ____________ (base 10)
A: 109
Q5: 557 (base 10) = ____________ (base 16)
A: 22D
Q6: A value represented using 16 bits will always be more accurate than a value represented using 8 bits.
A: False
Q7: The binary addition of 1 + 1 + 1 + 1 = __________.
A: 0100 (base 2)
Q8: A biased floating-point exponent uses some manner of excess-M representation.
A: True
Q9: Excess-M notation uses unsigned integers to express negative integers.
A: True
, Q10: Only a limited range of real numbers can be expressed using the IEEE 754 standard.
A: True
Q11: How is -1 (base 10) represented in 8-bit two's complement notation?
A: 11111111
Q12: Assuming we are using the Hamming algorithm presented in your text and even parity to design an
error-correcting code, find the code word to represent the 8-bit information word 01001000.
A: 010011001000
Q13: 601 (base 10) = ____________ (base 9)
A: 737
Q14: 01D7 (base 16) = ____________ (base 10)
A: 471
Q15: The binary string 01000110001000 is a floating-point number expressed using the 14-bit simple model
given in your text. (There are no implied bits.) What is its decimal equivalent?
A: 2.125
Q16: Convert -52 (base 10) to binary 8-bit one's complement.
A: 11001011
Q17: ________ is the hexadecimal symbol for 11.
A: B
Q18: 509 (base 10) = ____________ (base 16)
A: IFD
Q19: 1031 (base 5) = ____________ (base 10)
A: 141
Answers
Q1: The largest positive unsigned decimal number that can be expressed in 6 bits is 63.
A: True
Q2: 671 (base 10) = ____________ (base 9)
A: 825
Q3: CRCs use systematic error detection.
A: True
Q4: 1101101 (base 2) = ____________ (base 10)
A: 109
Q5: 557 (base 10) = ____________ (base 16)
A: 22D
Q6: A value represented using 16 bits will always be more accurate than a value represented using 8 bits.
A: False
Q7: The binary addition of 1 + 1 + 1 + 1 = __________.
A: 0100 (base 2)
Q8: A biased floating-point exponent uses some manner of excess-M representation.
A: True
Q9: Excess-M notation uses unsigned integers to express negative integers.
A: True
, Q10: Only a limited range of real numbers can be expressed using the IEEE 754 standard.
A: True
Q11: How is -1 (base 10) represented in 8-bit two's complement notation?
A: 11111111
Q12: Assuming we are using the Hamming algorithm presented in your text and even parity to design an
error-correcting code, find the code word to represent the 8-bit information word 01001000.
A: 010011001000
Q13: 601 (base 10) = ____________ (base 9)
A: 737
Q14: 01D7 (base 16) = ____________ (base 10)
A: 471
Q15: The binary string 01000110001000 is a floating-point number expressed using the 14-bit simple model
given in your text. (There are no implied bits.) What is its decimal equivalent?
A: 2.125
Q16: Convert -52 (base 10) to binary 8-bit one's complement.
A: 11001011
Q17: ________ is the hexadecimal symbol for 11.
A: B
Q18: 509 (base 10) = ____________ (base 16)
A: IFD
Q19: 1031 (base 5) = ____________ (base 10)
A: 141
