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Computer Engineering
A corporate executive who is slowly embezzling money from the company's pension fund has instructed his partner in crime, an investment banker, to send all correspondence in code. The computer operators on his staff type the correspondence on cards, each card containing 60 characters. To decode the message, you must first divide up the string into 5 blocks containing 12 characters each, with every twelfth character used to build a word. In addition, each letter is to be replaced with the letter six ahead of it in the alphabet. Thus, A becomes G, B becomes H, and U becomes A, V becomes B, and so on. Write a procedure in PL/I to read the characters from cards, decode the characters of each card, and print the 12 output words, four per line. The program should terminate when a card contains all consonants (consider Y to be a consonant).

A corporate executive who is slowly embezzling money from the company's pension fund has instructed his partner in crime, an investment banker, to send all correspondence in code. The computer operators on his staff type the correspondence on cards, each card containing 60 characters. To decode the message, you must first divide up the string into 5 blocks containing 12 characters each, with every twelfth character used to build a word. In addition, each letter is to be replaced with the letter six ahead of it in the alphabet. Thus, A becomes G, B becomes H, and U becomes A, V becomes B, and so on. Write a procedure in PL/I to read the characters from cards, decode the characters of each card, and print the 12 output words, four per line. The program should terminate when a card contains all consonants (consider Y to be a consonant).

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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A corporate executive who is slowly embezzling money from the company's pension fund has instructed his partner in crime, an investment banker, to send all correspondence in code. The computer operators on his staff type the correspondence on cards, each card containing 60 characters. To decode the message, you must first divide up the string into 5 blocks containing 12 characters each, with every twelfth character used to build a word. In addition, each letter is to be replaced with the letter six ahead of it in the alphabet. Thus, A becomes G, B becomes H, and U becomes A, V becomes B, and so on. Write a procedure in PL/I to read the characters from cards, decode the characters of each card, and print the 12 output words, four per line. The program should terminate when a card contains all consonants (consider Y to be a consonant).
Transcribed Image Text:A corporate executive who is slowly embezzling money from the company's pension fund has instructed his partner in crime, an investment banker, to send all correspondence in code. The computer operators on his staff type the correspondence on cards, each card containing 60 characters. To decode the message, you must first divide up the string into 5 blocks containing 12 characters each, with every twelfth character used to build a word. In addition, each letter is to be replaced with the letter six ahead of it in the alphabet. Thus, A becomes G, B becomes H, and U becomes A, V becomes B, and so on. Write a procedure in PL/I to read the characters from cards, decode the characters of each card, and print the 12 output words, four per line. The program should terminate when a card contains all consonants (consider Y to be a consonant).
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