Lecture 1: CSCI E-1 Spring 2013

ASCII. BIOS. Binary. Bits. Bitwise operators. Booting. Motherboards. Peripherals.

Transcript

1. Computer Science E-1 Lecture 1: Hardware
4. Power Supply
5. BIOS
6. CMOS
9. POST
10. Memory
13. Peripherals
22. http://www.youtube.com/watch? v=rdIWKytq_q4
23. Hard drive
26. Kernel
27. CPU
31. Operating Systems
34. Keyboard
36. Mouse
38. http://www.youtube.com/watch? v=74W-QNudReo
41. Lectures
42. Recaps
43. Sections
44. Problem Sets
45. Discuss
46. Exams
47. Final Project
48. Part I: Hardware
49. Part II: Internet
50. Part III: Security
51. Part IV: Software Development
52. 01010100101010010101000010101010 01010101001010101011101011010101 00010101010110100101001001011110 10100111010100101001001010100100 01010100101010101001010010010101 00100101010010101010010101010101 01010001010010110010010010010100
53. Do you like cats?
55. How much do you like cats?
57. __ __ __ __ 1000 100 10 1
58. __ __ __ __ 8 4 2 1
60. 0 1
61. 00 01 10
62. (1 × 2) + (0 × 1) = 2 + 0 = 2
63. 00 01 10 11
64. (1 × 2) + (1 × 1) = 2 + 1 = 3
65. 000 001 011 100
66. (1 × 4) + (0 × 2) + (0 × 1) = 4
67. 000 001 011 100 101
68. (1 × 4) + (0 × 2) + (1 × 1) = 5
82. 0011 + 0110
83. ________________________
84. ________________________
85. ________________________
86. ________________________
87. ________________________
88. There are 10 types of people in the world: those who understand binary and those who don’t.
90. Character encodings
93. ASCII
95. CS E-1
96. 67 83 32 69 45 49
97. 01000011 01010011 00100000 01000101 00101101 00110001
100. • byte • kilobyte • megabyte • gigabyte • terabyte • ...
101. What chair is everyone sitting in?
102. 1. Ask the person to your left where he/she is sitting 2. If there is no one to your left, say “one” 3. Add one to the answer of the person to your left, and say it out loud
103. Computer Science E-1 Lecture 1: Hardware