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programming languages Online Quiz - 146

Description: programming languages Online Quiz - 146
Number of Questions: 20
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Tags: programming languages
Attempted 0/20 Correct 0 Score 0

Dataset x Rev1 Rev2 Rev3 Rev4 1 3 4 5 data y; set x; z=mean(?); run; Fill in the mean function call.

  1. mean(Rev1-Rev4)

  2. mean(of Rev:)

  3. mean(Rev1 Rev2 Rev3 Rev4)

  4. mean(of Rev1,Rev2,Rev3,Rev3)


Correct Option: B

The function that gives the day of the week is

  1. dayofweek

  2. weekday

  3. dayweek

  4. weeknum


Correct Option: B
  1. The use of This; local to a function is illegal

  2. Access modifiers can not be applied to local variables

  3. All classes must be declared public

  4. None of these


Correct Option: B

Which of the following can be marked Static ? (A)Initialization blocks (B)A class nested within another class, but not within a method

  1. Only A

  2. Only B

  3. None of these

  4. Both A & B


Correct Option: D

x=input('13mar2010'd,date9.) What is the length and type of the variable x

  1. 8 bytes;Numeric

  2. 9 bytes Numeric

  3. 8 bytes Character

  4. 9 bytes Character


Correct Option: A
  1. x and y are numeric and z is character

  2. All the variables are numeric

  3. x and z are numeric y is character

  4. All the variables are character


Correct Option: B

Comma informat removes any embedded

  1. -

  2. %

  3. #

  4. $


Correct Option: A,B,D

What is true about the user defind format

  1. stored in sashelp.formats

  2. stored in sasuser.formats

  3. temporary not stored anywhere

  4. Stored in a SAS catalog


Correct Option: D
  1. libname 'example2.xls' outxls

  2. libname outxls excel 'example2.xls'

  3. libname outxls 'example2.xls'

  4. both 2 and 3


Correct Option: B

Consider a Base Class 'A' and a Derived Class 'B'. Case 1 B b=new B(); A a= A(b); Case 2 A a=new A(); B b=B(a); Choose the correct option(s)

  1. Case 1 will compile and execute

  2. Case 2 will compile and execute

  3. Case 2 will compile but fail at runtime

  4. Both the Cases wont compile


Correct Option: A,C

dataset new {x y} {1 2} {6 4} {7 5} data s1 s2 s3; set new; if x > 5 then output s1; if y < 5 then output s2; output; run; Choose the correct answer about s1 s2 and s3

  1. s1 and s2 have 2 observations and s3 has no observations

  2. s1 and s2 have 5 observations and s3 has 3 observations

  3. s1,s2,s3 have 3 observations

  4. s1 and s2 have 2 observations and s3 has 3 observations


Correct Option: B

In order to select a particular sheet- Ages in an excel for printing using proc print, select the correct option

  1. proc print data=inxls."Ages$"e;

  2. proc print data=inxls."Ages$"n;

  3. proc print data=inxls."Ages$"s;

  4. proc print data=inxls."Ages$";


Correct Option: B

sales product qty soap-t1 20 comb 10 oil 20 soap-t2 30 soap-t3 20 How many observations will be present in the newsale dataset?

  1. 2

  2. 1

  3. 3

  4. Error because of :soap


Correct Option: A

public class Test { public static void main(String [] args) { int x =5; boolean b1 = true; boolean b2 = false; if((x==4) && !b2) System.out.print(”l “); System.out.print(”2 “); if ((b2 = true) && b1) System.out.print(”3 “); } } What is the result?

  1. 2

  2. 1 2

  3. 2 3

  4. 1 2 3

  5. Compilation fails.

  6. Exception is thrown at runtime


Correct Option: C
  1. SAS will read and execute steps simultaneously

  2. A step is completed when the QUIT statement appears

  3. All programming steps begin with either a DATA or PROC keyword

  4. A step is completed when the RUN statement appears


Correct Option: A
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