CHAPTER 3: Number Systems Flashcards
How many binary digits does it take to represent the decimal number 2013?
a) 16
b) 8
c) 11
d) 2013
c) 11
How many bytes does it take to store the binary equivalent of the decimal number 1945?
a) 1
b) 2
c) 4
d) 10
b) 2
The largest number that can be represented 8 bits without considering a sign is
a) 15
b) 255
c) 65,535
d) 10,000,000
b) 255
The largest single digit in octal is
a) 1
b) 7
c) 8
d) 10
b) 7
The largest single digit in hexadecimal is
a) 1
b) 8
c) F
d) 9
c) F
The binary number 10110011β is equivalent to the decimal number
a) 113
b) 179
c) 133
d) 10,110,011
b) 179
Eight raised to the power zero is
a) 0
b) 1
c) 8
d) -8
b) 1
Eight raised to the power one is
a) 0
b) 1
c) 8
d) -8
c) 8
The number of different items that can be represented by a given number of digits, n, in a particular base, b, is given
by the formula: πβΏ equals _____________.
a) field
b) radix
c) range
d) parameter
c) range
The digit with the greatest weight (value) in a number is called the
a) radix
b) heaviest bit
c) least significant digit
d) most significant digit
d) most significant digit
The octal number 12β is equivalent to the decimal number
a) 9
b) 10
c) 24
d) 12
b) 10
The hexadecimal number 1Aββ is equivalent to the decimal number
a) 9
b) 17
c) 26
d) 110
c) 26
How many bits are there in one byte?
a) 1
b) 4
c) 8
d) 10
c) 8
A single digit that can have only one of two values, 0 or 1, is a
a) bit
b) blip
c) signal
d) character
a) bit
In order to divide a number by its base we can perform
a) a bit op
b) a left shift
c) a right shift
d) a complex equation
c) a right shift
In order to multiply a number by its base we can perform
a) a bit op
b) a left shift
c) a right shift
d) a complex equation
b) a left shift
The base 8 number system is called
a) octal
b) fractal
c) ochodecimal
d) hexadecimal
a) octal
The base 2 number system is called
a) binary
b) fractal
c) bitly
d) radix
a) binary
Which of the following is true?
a) 1β < 1β
b) 10β < 1β
c) 101β < 10β
d)101β < 5β
c) 101β < 10β
Which of the following is true?
a) 0.1β > 0.1β
b) 0.1β = 0.1β
c) 0.1β < 0.1β
d) None of these
a) 0.1β > 0.1β
Which of the following is true?
a) 101β <10ββ
b) 10β < 1ββ
c) 11β < 10ββ
d)12β <Aββ
c) 11β < 10ββ
The βExclusive ORβ function (used for the result bit when adding single digits in binary) will equal 1 if the input bits are
a) 0+0
b) 0+1
c) 1+1
d) None of these
b) 0+1
The βANDβ function (used for the carry bit when adding single digits in binary) will equal 1 if the input bits are
a) 0+0
b) 0+1
c) 1+1
d) None of these
c) 1+1
The decimal number 9 is equivalent to the hexadecimal
a) A
b) 9
c) 10
d) 1001
b) 9
