CEA 201 - CHAPTER 9 EXAM QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026
F - Answers Our primary counting system is based on binary digits to represent numbers.
(T/F)
F - Answers The decimal system has a radix of 100.
(T/F)
T - Answers Negative powers of 10 are used to represent the positions of the numbers for decimal
fractions.
(T/F)
T - Answers A number with both an integer and fractional part has digits raised to both positive and
negative powers of 10.
(T/F)
F - Answers In any number, the rightmost digit is referred to as the most significant digit.
(T/F)
F - Answers A number cannot be converted from binary notation to decimal notation.
(T/F)
T - Answers There are 50 tens in the number 509.
(T/F)
T - Answers The decimal system is a special case of a positional number system with radix 10 and with
digits in the range 0 through 9.
(T/F)
T - Answers Although convenient for computers, the binary system is exceedingly cumbersome for
human beings.
(T/F)
F - Answers A nibble is a grouping of four decimal digits.
(T/F)
F - Answers Hexadecimal notation is only used for representing integers.
(T/F)
T - Answers It is extremely easy to convert between binary and hexadecimal notation.
(T/F)
T - Answers Hexadecimal notation is more compact than binary notation.
(T/F)
F - Answers A sequence of hexadecimal digits can be thought of as representing an integer in base 10.
(T/F)
T - Answers Because of the inherent binary nature of digital computer components, all forms of data
within computers are represented by various binary codes.
(T/F)
B - Answers The decimal system has a base of _________.
A. 0
B. 10
C. 100
D. 1000
B - Answers Which digit represents "hundreds" in the number 8732?
A. 8
B. 7
C. 3
D. 2
C - Answers Which of the following is correct?
A. 25 = (2 x 10^2) + (5 x 10^1)
B. 289 = (2 x 10^3) + (8 x 10^1) + (9 x 10^0)
C. 7523 = (7 x 10^3) + (5 x 10^2) + (2 x 10^1) + (3 x 10^0)
D. 0.628 = (6 x 10^-3) + (2 x 10^-2) + (8 x 10^-1)
A - Answers In the number 3109, the 3 is referred to as the _________.
A. most significant digit
B. least significant digit
C. radix
D. base
F - Answers Our primary counting system is based on binary digits to represent numbers.
(T/F)
F - Answers The decimal system has a radix of 100.
(T/F)
T - Answers Negative powers of 10 are used to represent the positions of the numbers for decimal
fractions.
(T/F)
T - Answers A number with both an integer and fractional part has digits raised to both positive and
negative powers of 10.
(T/F)
F - Answers In any number, the rightmost digit is referred to as the most significant digit.
(T/F)
F - Answers A number cannot be converted from binary notation to decimal notation.
(T/F)
T - Answers There are 50 tens in the number 509.
(T/F)
T - Answers The decimal system is a special case of a positional number system with radix 10 and with
digits in the range 0 through 9.
(T/F)
T - Answers Although convenient for computers, the binary system is exceedingly cumbersome for
human beings.
(T/F)
F - Answers A nibble is a grouping of four decimal digits.
(T/F)
F - Answers Hexadecimal notation is only used for representing integers.
(T/F)
T - Answers It is extremely easy to convert between binary and hexadecimal notation.
(T/F)
T - Answers Hexadecimal notation is more compact than binary notation.
(T/F)
F - Answers A sequence of hexadecimal digits can be thought of as representing an integer in base 10.
(T/F)
T - Answers Because of the inherent binary nature of digital computer components, all forms of data
within computers are represented by various binary codes.
(T/F)
B - Answers The decimal system has a base of _________.
A. 0
B. 10
C. 100
D. 1000
B - Answers Which digit represents "hundreds" in the number 8732?
A. 8
B. 7
C. 3
D. 2
C - Answers Which of the following is correct?
A. 25 = (2 x 10^2) + (5 x 10^1)
B. 289 = (2 x 10^3) + (8 x 10^1) + (9 x 10^0)
C. 7523 = (7 x 10^3) + (5 x 10^2) + (2 x 10^1) + (3 x 10^0)
D. 0.628 = (6 x 10^-3) + (2 x 10^-2) + (8 x 10^-1)
A - Answers In the number 3109, the 3 is referred to as the _________.
A. most significant digit
B. least significant digit
C. radix
D. base
