Computer Science 2
What is the largest digit in the decimal number system?
9
What is the lowest base in which the number 10 could be a valid number?
Binary
What is the lowest base in which the number 987 could be a valid number?
Decimal
The base of a number system determines the number of digit positions that can be used for any number in the system.
F
Which of the following describes a natural number, the negative of a natural number, or zero?
Integer
Which unit of binary storage has a size that is processor-dependent?
Word
Which of the following is a value less than zero, with a sign opposite to its positive counterpart?
Negative number
Which of the following is a unit in abstract mathematical system subject to the laws of arithmetic?
Number
A byte is made up of eight binary digits.
T
A natural number is the number 0 or any number obtained by adding 1 to a natural number.
T
In base 16, the digit E corresponds to what decimal value?
14
What is the lowest base in which the number 1000 could be a valid number?
Binary
What is a single binary digit called?
Bit
What is a group of eight binary digits called?
Byte
A rational number is any number that can be expressed without a fractional part.
F
Binary numbers are important in computing because numbers in every base can be converted into them.
F
Binary numbers can be converted to octal, but not to hexadecimal.
F
The base of the hexadecimal number system is 15
F
The digits used in base 8 are 1 through 8.
F
The letter C is used to represent the number 11 in hexadecimal
F
The number of bits in a word is the same on all machines.
F
The value of each position in a number system is determined by subtracting the base from the position number
F
Three octal digits can be stored in one byte.
F
Which of the following describes the number 0 and any number that can be obtained by repeatedly adding one to it?
Natural Number
What is the decimal value of the largest digit in the hexadecimal number system?
15
Which number represents a value in every number system?
0
The rightmost digit of a number is the _______________ position in any base
Ones
Which of the following can be used to express the value of every number in any number system
Polynomial
Which of the following is an integer or the quotient of two integers (excluding division by zero)?, a fraction
Rational number
A value of a number in any base can be expressed as a polynomial expression
T
An abacus uses positional notation to represent values.
T
Grace Murray Hopper participated in the design of the COBOL programming language.
T
Representing a number in base 5 sometimes requires more digits than representing that same number in base 10.
T
Starting from the right, every group of four binary digits can be read as one hexadecimal digit.
T
The base of a number system determines the number of digits used in the system.
T
The base of the binary number system is 2
T
The category of numbers called integers include negative numbers.
T
The number 10 represents the base value in every number system.
T
There is one set of underlying principles governing all positional number systems
T
Two hexadecimal digits can be stored in one byte.
T
The rightmost digit represents its value multiplied by the base raised to the _______________ power.
Zero
How many digits are there in the hexadecimal number system?
16
How many digits are there in the binary number system?
2
How many digits are there in the decimal number system?
10
Which number represents the value of the base in every number system?
10
What is the largest digit in the octal number system?
7
How many digits are there in the octal number system?
8
