Question 21 : awk has some built-in functions which are used for arithmetic and string operations.
1. True
2. False
3.
4.
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Question 22 : awk uses _____ dimensional arrays.
1. one
2. two
3. multi
4. three
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Question 23 : print statement is necessary for printing a line.
1. True
2. False
3.
4.
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Question 24 : Which of the following is supported by awk?
1. if
2. while
3. for
4. if, while, for
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Question 25 : sqroot(x) function returns the square root of x.
1. True
2. False
3.
4.
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Question 26 : ____ function breaks up a string on the basis of delimiter.
1. length
2. substr
3. system
4. split
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Question 27 : Which of the following is not true about awk arrays?
1. they are not expanded automatically
2. they are initialized to zero or an empty string
3. index can be a string also
4. they are not formally defined
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Question 28 : awk supports the use of arrays.
1. True
2. False
3.
4.
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Question 29 : Which of the following is not a built-in variable used by awk?
1. ES
2. FILENAME
3. argv
4. argc
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Question 30 : The ____ variable stores the name of the file currently being processed.
1. OFS
2. FILENAME
3. NF
4. ES
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