CPSC 121 Study Guide - Midterm Guide: Absorption Law, The Strongest, Logical Equivalence

77 views10 pages
24 Oct 2018
School
Course
Professor
lillyzuxian and 39077 others unlocked
CPSC 121 Full Course Notes
38
CPSC 121 Full Course Notes
Verified Note
38 documents

Document Summary

Cpsc 121 :: 2011s :: midterm 1 :: 2011. 07. 06. [5 marks] average: 3. 8 (median: 4, mode: 5) part a. Group them into blocks of 4 starting on the right: 11 1010 1011 0100 0010 = 3 a b 4 2 part b. Take the last 4 digits of your student number (as a base 10 number) and convert it to binary. part c. [2 marks] Take the negation of the rst 4 digits of your student number (as a base 10 number), and convert it to a. [10 marks] average: 4. 2 (median: 4, mode: 4) part a. While drinking at moe"s tavern, professor frink admitted that he generated his bank card 4-digit pin randomly using only the digits 1 and 0. Give it as a rational (fraction) number in regular base 10. There are 4 bits, so 16 possible pins, you get 7 guesses, so 7/16. part b.