ICS 101 week 2 Number Systems

When converting from binary to hexadecimal, 4 binary digits is equivalent to _____ hexadecimal digit(s).

1

The decimal number 37 is _____ in hexadecimal and _____ in binary.

25 ; 0010 0101

Convert the following binary number to decimal: 0001 1111

31

In ASCII, the hexadecimal number 41 is the code to represent the letter "A", the hexadecimal number 42 is the code to represent the letter "B"... etc. What is the hexadecimal number that represents the letter "M"?

4D

In ASCII characters, 1 byte can represent 256 characters and 2 bytes represent _____ characters

64,000

In ASCII, the hexadecimal number 61 is the code to represent the letter "a", the hexadecimal number 62 is the code to represent the letter "b"... etc. What is the hexadecimal number that represents the letter "j"?

6A

What is an advantage of using hexadecimal over binary?

Easy to condense binary numbers to hexadecimal.

(True or False) The binary number 1001 0001 1111 0001 is an odd number.

True