Binary Basics
This number system only uses 0 and 1.
What is binary?
1 in binary equals this decimal number
What is 1?
ASCII is used by computers to represent this.
What are letters and characters?
This the first letter of the alphabet and has ASCII value 65.
What is A?
What does "encoding" mean?
A. Turning numbers into letters.
B. Turning letters into numbers.
C. Deleting data
D. Drawing pictures
Turning letters into numbers
In binary, this digit represents "off"
What is 0?
11 in binary equals this number
What is 3?
This letter is ASCII number 65
What is A?
This letter comes after B and is ASCII 67?
What is C?
Which ASCII number represents the letter A?
A. 60
B. 65
C. 97
D. 100
The binary number 10 equals this number in decimal.
What is 2?
100 in binary equals this number.
What is 4?
ASCII codes can represent letters, numbers and these symbols.
What are punctuation marks (like !, ?, .)?
This is the difference between uppercase and lowercase letters in ASCII (hint:one is bigger)
What is lowercase letters have higher numbers?
Which ASCII number represents lowercase a?
A. 65
B. 66
C. 97
D. 122
This is the binary number 5.
What is 101?
110 in binary equals this number.
what is 6?
This letter is ASCII number 97
What is lowercase a?
This word describes turning letters into numbers for computers.
What is encoding?
What is the main difference between uppercase and lowercase letters in ASCII?
Lowercase letters have higher numbers.
Each place in a binary number represents power of this number.
What is two?
1000 in binary equals this number.
What is 8?
ASCII uses this many bits to represent each character (basic version).
What is 7 or 8 bits?
This system lets computers turn numbers back into letters.
What is decoding?
What does Decoding mean?
Turning numbers back into letters.