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Write an AWK program which takes the following input file and processes it.
$cat data.txtJohn Do 111-1111 English 90 Maths 80Alice Do 222-2222 English 90 Maths 90 Chemistry 93
The input file has first 3 fields fixed as first name, last name, and student id. After the student id, it has a variable number of fields which has a pair of name of a subject and points scored in that subject. Your output should print the full name of the student, number of subjects taken, and his/her average score. The output corresponding the above input file is as follows:
$awk -f avgerage.awk data.txt
John Do: 2 subjects taken, average = 85
Alice Do: 3 subjects taken, average = 91
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frequency tracking
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Define various system? Single job system: Only one program may be run at a time, and therefore only one person might be work on a machine at one time. Multi job system:
How are devices represented in UNIX? All devices are shown by files called special files that are located in /dev directory. Therefore, device files and other files are named a
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Conclusion - artificial intelligence : If we can determine what the exactly state of the world will be after an agent's action, so we can say the environment is deterministic.
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