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+{
+ "metadata": {
+  "name": "",
+  "signature": "sha256:a1ed470be69235951f179c73fc3f7daca02bf5e071f528ddce3fb4f1444cb8ef"
+ },
+ "nbformat": 3,
+ "nbformat_minor": 0,
+ "worksheets": [
+  {
+   "cells": [
+    {
+     "cell_type": "heading",
+     "level": 1,
+     "metadata": {},
+     "source": [
+      "Chapter 1: INTRODUCTORY DIGITAL CONCEPTS"
+     ]
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 1-1,Page No-6"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Variable Declaration\n",
+      "T=10*10**-3\n",
+      "tw=1*10**-3\n",
+      "\n",
+      "#Calculations\n",
+      "#Part A\n",
+      "f=1/T\n",
+      "\n",
+      "#Part C\n",
+      "Duty_Cycle=(tw/T)*100\n",
+      "\n",
+      "\n",
+      "#Results\n",
+      "print\"The Period is measured from the edge of the next pulse. In this case T is measured from leading edge to leading edge,as indicated.T equals 10*10^-3\"\n",
+      "print\"f=\",f,\"Hz\"\n",
+      "print\"Duty Cycle=\",Duty_Cycle,\"%\""
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "The Period is measured from the edge of the next pulse. In this case T is measured from leading edge to leading edge,as indicated.T equals 10*10^-3\n",
+        "f= 100.0 Hz\n",
+        "Duty Cycle= 10.0 %\n"
+       ]
+      }
+     ],
+     "prompt_number": 5
+    },
+    {
+     "cell_type": "heading",
+     "level": 2,
+     "metadata": {},
+     "source": [
+      "Example 1-2, Page No-8"
+     ]
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [
+      "#Variable Declaration\n",
+      "f=100*10**-3\n",
+      "time=8\n",
+      "T=1/f\n",
+      "print\"Since the frequency of the clock is 100kHz,the period is\",T,\"usec\"\n",
+      "print\"It takes 10*10**-6to transfer each bit in the waveform.The total transfer time for 8 bits is time\"\n",
+      "print\"Time is\",time,\"usec\"\n",
+      "\n",
+      "print\"To detrmine the sequence of bits,examine the waveform during each bit time.If waveform A is HIGH during the bit time, a 1 is transferred. If waveform A is LOW during the bit time,a0 is transferred. The bit sequence is illustrated .The left mosst bit is the first to be transferred.\"\n",
+      "\n",
+      "print\"A parallel transfer would take 10*10**-6 for all eight bits.\"\n",
+      "    \n"
+     ],
+     "language": "python",
+     "metadata": {},
+     "outputs": [
+      {
+       "output_type": "stream",
+       "stream": "stdout",
+       "text": [
+        "Since the frequency of the clock is 100kHz,the period is 10.0 usec\n",
+        "It takes 10*10**-6to transfer each bit in the waveform.The total transfer time for 8 bits is time\n",
+        "Time is 8 usec\n",
+        "To detrmine the sequence of bits,examine the waveform during each bit time.If waveform A is HIGH during the bit time, a 1 is transferred. If waveform A is LOW during the bit time,a0 is transferred. The bit sequence is illustrated .The left mosst bit is the first to be transferred.\n",
+        "A parallel transfer would take 10*10**-6 for all eight bits.\n"
+       ]
+      }
+     ],
+     "prompt_number": 14
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [],
+     "language": "python",
+     "metadata": {},
+     "outputs": [],
+     "prompt_number": 8
+    },
+    {
+     "cell_type": "code",
+     "collapsed": false,
+     "input": [],
+     "language": "python",
+     "metadata": {},
+     "outputs": []
+    }
+   ],
+   "metadata": {}
+  }
+ ]
+}
+\ No newline at end of file