your answer. Answer: Hexadecimal digits is a base 16 number system and it ranges between 0 and F i.e. 0 - 9 and A - F (10 -15). (Table 1 below shows binary‚ decimal and hexadecimal representation). Two hexadecimal digits will be between 00 and FF and this will make up to 256 cells i.e. 0 – 255 (16 bits) and for four hexadecimal digits will be between 0000 – FFFF and this makes up to 65536 cells i.e. 0 – 65535 (32 bits). BINARY NUMBERS | DECIMAL NUMBERS | HEXADECIMAL NUMBERS | 0000 | 0 |
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Introduction: This project is similar to the functioning of an ordinary remote control system which consists of‚ a transmitter and a receiver. Therefore two mobile phones are required for effective transmission and reception by DTMF .The robot is controlled by the mobile phone held by the user‚ which communicates with the mobile phone attached to the robot. In the course of a phone call‚ if any button is pressed‚ a tone corresponding to the button pressed is heard at the receiver end‚ which is
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Convert the binary number 1010110.1001 to decimal. 64 32 16 8 4 2 1 .5 .25 .125 .0625 1 + 0 + 1 + 0 + 1 + 1 + 0. 1 + 0 + 0 + 1 64 + 16 + 4 + 2 + .5 + .0625 = 86.5625 4. Convert the decimal number 1938.257 to hexadecimal. 1938 914 402 156 18 2 -1024 -512 -256 -128 64 32 -16 8 4 -2 1. 914 402 156 18 2 0 1 1 1 1 0 0 1 0 0 1 0 Binary 7
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EE 205 Lecture Notes 2012 Combinational Logic Combinational Logic: The outputs depend on the present values of inputs. In other words‚ they are logic combinations of the inputs. Sequential Logic: The outputs depend not only on the present but also on the past inputs. Problem Statement Truth Table min. number of gates min. number of inputs to gates Simplification min. propagation time min. number of interconnections Implementation type of gates Adders Half-adder performs
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Lesson 1 TECHNOLOGY TROUGH THE YEARS In history‚ people have always sought out ways to make things easier to do and to understand. This is the reason why‚ after so many thousands of years‚ a simple tool like the wheel is now more than just a wooden disk that rolls on the ground. It is also the reason why a conversation is now possible between people who are on opposite sides of the world; and why information‚ which used to be found only in books‚ can now be accessed from the Internet with a computer
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BS 21 (NS) II Semester B.Sc. (I.T.) Examination‚ December 2010/January 2011 INTRODUCTION TO C PROGRAMMING LANGUAGE (Freshers) Time: 3 Hours Max. Marks: 75 PART – A (10x2+5x1=25) Answer all the questions. 1. What is Flowchart? Write the different types of flowcharts. 2. What is an identifier? Write the rules to coining an identifier. 3. Define Pre-increment and Post-increment operators with an example. 4. What is Key Word? Mention any two. 5. Difference between – and --. 6. How you denote single
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Digital Electronics‚ 2003 BINARY CODED DECIMAL: B.C.D. • ANOTHER METHOD TO REPRESENT DECIMAL NUMBERS • USEFUL BECAUSE MANY DIGITAL DEVICES PROCESS + DISPLAY NUMBERS IN TENS IN BCD EACH NUMBER IS DEFINED BY A BINARY CODE OF 4 BITS. *** 8 – 4 – 2 – 1 MOST COMMON CODE 8 – 4 – 2 – 1 CODE INDICATES THE WEIGHT OF EACH BIT 23 – 22 – 21 – 20 E.G. 934 = 1001 0011 0100 9 3 4 FOR EACH DIGIT A BINARY [NORMAL] CODE IS ALLOCATED. OHER REPRESENTATION FORMS ARE 2-4-2-1 AND EXCESS-3 Ovidiu Ghita Page
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1 X X X X 200 9 3 1 1000 + 900 + 30 + 1 = 2931 Lab 1.2 Create a mapping for the binary number 110 2 using either paper and pencil or a Word document. 110; 4 2 1 X X X 1 1 0 4 + 2 + 0 = 6 Lab 1.3 Create a mapping for the binary number 11 2 using either paper and pencil or a Word document. 11; 2 1 X X 1 1 2+ 1 = 3 Lab 1.4 Create an expanded mapping for the binary number 10010 2 using either paper and pencil or a Word document. 10010; 16 8 4 2 1 X X X
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knowledge. THANKS AGAIN TO ALL WHO HELPED ME. Content 1. No Of Digits in Number 2. Decimal to Binary & viceversa 3. Sum of Series 4. Binary to Octal & Octal to Binary 5. Reversing each word in a string 6. Sum of Series 2 7. No of Char‚ Vowels‚ Space in a string 8. Star Design + Pascals Triangle 9. Bubble Selection Sort 10. Linear & Binary Search 11. Merge Arrays 12. Insert & Delete an element from array 13. Multiplication of 2
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Write a regular expression for binary strings with at least two 0s but not consecutive 0s. 1*01+01* Write a regular expression that matches all strings over the alphabet {a‚ b‚ c} that contain: Starts and ends with a a(a*b*c*)a /( a / a(a/b)*a) At most one a b*c*/b*c* a b*c* At least two a’s b*c* a b*c* a b*c* An even number of a’s (b*c* a b*c* a b*c*)+ Number of a’s plus number of b’s is even Write a regular expression to describe all dates of the form
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