Problem 35
If you were going to represent numbers in base 18, which symbols might you use to represent the decimal numbers 10 through 17 other than letters?
Problem 37
Perform the following octal additions. a. \(770+665\) b. \(101+707\) c. \(202+667\)
Problem 38
Perform the following hexadecimal additions. a. \(19 \mathrm{AB} 6+43\) b. \(\mathrm{AE} 9+\mathrm{F}\) c. \(1066+\mathrm{ABCD}\)
Problem 39
Perform the following octal subtractions. a. \(1066-776\) b. \(1234-765\) c. \(7766-5544\)
Problem 40
Perform the following hexadecimal subtractions. a. \(\mathrm{ABC}-111\) b. \(9988-\mathrm{AB}\) c. \(\mathrm{A} 9 \mathrm{~F} 8-1492\)
Problem 41
Why are binary numbers important in computing?
Problem 42
How many bits does a byte contain?
Problem 43
How many bytes are there in a 64-bit machine?
Problem 45
Why is it important to study how to manipulate fixed-size numbers?
