Title: CSE 351 23au / lec01 Binary

Q: A _____ represents a number using a series of digits in a particular base
A: numeral

Q: A _____ is one of a fixed set of symbols representing values between 0 and base - 1
A: digit

Q: Digit positions are numbered from the _____, starting with the number _____
A: Right, 0

Q: The decimal value of the digit d in position i in base b is: __ x __ ^ __
A: d x b ^ i

Q: Digital computers use base _____
A: 2! (Binary)

Q: ___ is the prefix for binary numerical representation
A: '0b'
Example: 0b 10 1101 1010 1011

Q: 1 binary digit is also called a ___
A: bit

Q: 4 binary digits are also called a ___
A: nibble

Q: 1 hexadecimal digit is also called a ___
A: nibble

Q: 8 binary digits are also called a ____
A: byte

Q: A byte is ___ hexadecimal digits
A: 2

Q: Aside from base 2 (binary), what is the other most common base?
A: 16 (hexadecimal)

Q: Hexadecimal uses the range of symbols ___ - ___ in order to represent 16 symbols
A: '0' - 'F'

Q: A hex digit is equivalent to a grouping of ___ bits
A: 4

Q: _____ is the prefix for hexadecimal numerical representation
A: '0x'
Example: 0x2DAB

Q: True or False:
A numerical representation does not change the number
A: True!
Converting the base does not change the number's actual value

Q: An encoding scheme has to have an agreement between the _____ & _____
A: An encoding scheme has to have an agreement between the
"sender" and "receiver"
Also known as "encoder" and "decoder"