CST8110 Intro to Computing - Assignment #1Due: 8:45am Monday, January 20, 1997

Purpose and Instructions:

A review of Number Systems.

Always show the steps of your calculations for all conversions!

1. Write out the hexadecimal ‘A’ times table in hexadecimal,i.e. A x 1 = A, A x 2 = 14, A x 3 =, …, A x E =, A x F =

2. Convert 32,047 decimal to 16-bit
a. octal

b. hexadecimal
c. binary
3. Convert the signed 16-bit binary number 10010010 01010101 to
a. octal

b. hexadecimal
c. decimal
4. Convert the signed 16-bit binary number 01010101 10010010 to
a. octal

b. hexadecimal
c. decimal
5. What ASCII characters have numeric values greater than ‘Z’ but less than ‘a’? List the characters and their decimal and hexadecimal numeric values.
6. If we group 11 bits together, …
a. How many different numeric values can be stored in 11 bits?
b. What range of unsigned numbers can be represented, starting at zero?
c. What range of signed numbers would be representable?
7. What is a CPU and what does it do in a computer?
8. How is computer memory organized?

Your assignment is due in the Ian Allen assignment box before 8:45am Monday, January 20.

Please fasten all pages of your assignment firmly, or place all parts into a full-size brown envelope.

Identify your assignments:

Make obvious on your assignment these things (type or print clearly):

• your name,
• your student ID number,
• your weekly Lab section number, and
• the the course number: CST8110