HARRAN UNIVERSITY
DEPARTMENT OF COMPUTER ENGINEERING
0504305 INTRODUCTION TO COMPUTER SCIENCE
HOMEWORK #3
Due Date: Tuesday, 18/03/2008
HW will be prepared in English on A4 paper
1. Number Systems: Sign Extension |
Write the following signed binary, octal and hex numbers as 16-bit
signed binary number. You need to do a sign-extension. a) (01010011) 2 b) (1010) 2 c) (7A)h d) (9C)h e) (5610)o f) (247)o |
2.Boolean Algebra |
Simplify the following logical expressions and determine which
boolean laws is used. a) A'B+ABC'+ABC b) AB+A(CD+CD') c) A'+AB' d) (A+B’+C’)(A+B’C) |
3.Definition: |
Explain De Morgan Law and Duality Principle and give an example for each. |
4.Logic Gates: |
Draw the circuits and form the truth table for the following
expressions : a) f(x,y,z)=xy'+x'z+x'yz' b) f(x,y,z)=x(+)y(+)z |
5.Full Adder |
Form the truth table for a Full Adder, Simplify the Sum and Carry funcion and draw the circuit |
HELP NOTES