These are slided from the first class and include an overview of the course, syllabus, and schedule; and the first lesson in binary numbers.

1. Introduction to Computers & Computing Computer Science A110 Lecture 1: Hardware January 20, 2010 JoAnn E. Bush [email_address]

16. Computation

17. Computation Image from: http://blogs.pitch.com/plog/abacus.jpg

18. Computation

19. Computation

20. Calculations

21. Computation

22. Computation

23. Computation Base -10 Base-2 0 1 2 3 4 5 6 7 … 15 … 255 256

24. Computation

25. Bits and Bytes Unit Abbreviation Definition bit b 0 or 1 byte B 8 b 1,024 B 1,048,576 B 1,073,741,824 B 1,099,511,627,776

26. ASCII

27. ASCII