Using MIS (10th Edition)
Using MIS (10th Edition)
10th Edition
ISBN: 9780134606996
Author: David M. Kroenke, Randall J. Boyle
Publisher: PEARSON
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Chapter 6.7, Problem 3QLQ

Explanation of Solution

ASCII characters:

In a computer system, characters can be represented using standard numeric codes. The most commonly used standard is referred as “American Standard Code for Information Interchange (ASCII)”.

  • ASCII is primarily based on the English alphabet for character encoding.
  • It uses 128 unique characters; and seven bits to represent each character in the set. Check bit is used as the eighth bit to ensure proper data transmission.
  • Extended ASCII character version includes the eighth bit and allows 256 unique characters, which includes some additional symbols and some accented letters.
  • ASCII has a finite number of characters; so it lists them all and assigns binary string value to each one of them.
  • However, some problems need to be addressed, such as, in English language, there are 26 letters, and ASCII considers uppercase, lowercase letters separately, and assigns a value for each of the 52 characters.
  • ASCII character set as well as Unicode character set treats uppercase and lowercase letters distinctly.

Binary code:

The digital data can be symbolized, stored and communicated as a set of binary bits. This set is referred as binary code.

  • The letters, special characters or digits are represented using the binary digits “0” and “1” in a computer device or other electronic devices...

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The ASCII coding scheme uses the decimal number 65 to represent letter 'A', 90 as 'Z', 97 as 'a' and 122 as 'z'. what is the word processor operator typing if the following codes are received from the keyboard by the microprocessor? (see Appendix for the ASCII code) 87 101 32 97 114 101 32 111 118 101 114 115 101 97 32 115 116 117 100 101 110 116 115 46 10 13 87 101 32 97 114 101 32 108 101 97 114 110 105 110 103 32 99 111 109 112 117 116 101 114 46
Create a program that will convert an alphabet in to its equivalent number(based on its order in the alphabet), and vice versa. The program will disallow punctuational characters or other symbols and lowercase letters as input.( C Language)
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