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programming languages Online Quiz - 120

Description: programming languages Online Quiz - 120
Number of Questions: 20
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Tags: programming languages
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The following SAS program is submitted: data work.flights; destination='CPH'; select(destination); when('LPR') city = 'London'; when('CPH') city='Copenhagen'; otherwise; end;run; Which one of the following is the value of the CITY variable?

  1. London

  2. Copenh

  3. Copenhagen

  4. Missing


Correct Option: B

The sum statement is equivalent to using the SUM function and the RETAIN statement, as shown here: retain variable 0; variable=sum(variable,expression);

  1. True

  2. False


Correct Option: A

The general form of SUM statement is

  1. variable = variable+expression;

  2. variable+expression;

  3. sum(expression,variable)

  4. expression=variable+expression;


Correct Option: B

Some of the dataset options are

  1. print the observations of the dataset

  2. renaming variables

  3. selecting only the first or last n observations for processing

  4. dropping variables from processing or from the output data set


Correct Option: B,C,D

The attribute information includes the variable’s name, type, ......

  1. Length

  2. Format

  3. Informat

  4. Label


Correct Option: A,B,C,D

----|----10----|----20----|----30 john McCloskey 35 71 June Rosesette 10 43 Tineke Jones 9 37 The following SAS program is submitted using the raw data file as input: data work.homework; infile 'file-specification'; input name $ age height; if age LE 10; run; How many observations will the WORK.HOMEWORK dataset contain?

  1. 0

  2. 3

  3. 2

  4. No dataset is created as the program fails to execute due to errors


Correct Option: B

The sasdata.banks dataset has 5 observations when the following SAS program is submitted data allobs; set sasdata.banks; capital=0; do year = 2000 to 2020 by 5; capital + ((capital + 2000) * rate); output; end; run; How many observations will the ALLOBS data set contain?

  1. 5

  2. 10

  3. 20

  4. 25


Correct Option: D

data sasdata.atlanta sasdata.boston work.portland work.phoenix; set company.prdsales; if region='NE' then output boston; if region='SE' then output atlanta; if region='SW' then output phoenix; if region='NW' then output portland; Which one of the following is true regarding the output datasets

  1. No library references are required

  2. The datasets listed on all the IF statements require a library reference

  3. The datasets listed on the last two IF statements require a library reference

  4. The datasets listed on the first two IF statements require a library reference


Correct Option: D

son,Travis, The following output is desired relation firstname son Travis Which one of the following statements will work correctly as exepcted ?

  1. data family/dlm = ',';

  2. options dlm=',';

  3. infile 'file-specification' dlm=',';

  4. input relation $ firstname $ /dlm=',';


Correct Option: C

To which numbering system can the binary number 1101100100111100 be easily converted to?

  1. Octal

  2. Binary itself

  3. Hexa decimal

  4. None of the above


Correct Option: C

Which is the correct syntax for the function gcvt() in C?

  1. char *gcvt(double value,int digit,char buf);

  2. char *gcvt(double value,int digit,char *buf);

  3. char *gcvt(double value,int digit,char *buf)

  4. char *gcvt(double value,int digit,char buf)


Correct Option: B

Which one is equivalent to multiplying by 2?

  1. None of the below

  2. Left shifting an unsigned int or char by 1

  3. Left shifting a number by 1

  4. Both


Correct Option: C

What is the maximum combined length of command line arguments including the space between adjacent arguments?

  1. 32 K

  2. 42 K

  3. 23 K

  4. 24 K


Correct Option: A

The variable JOBCODE has length $5 in the dataset TEMP. The same variable present in the dataset TEMP1 and has length $7. data temp2; set temp temp1; run; what would be the length of the variable JOBCODE in the dataset TEMP2?

  1. 5

  2. 7

  3. c) we can’t see the length as data set won’t be created due to errors.

  4. none


Correct Option: A

Following code is submitted. data temp: do i=1 to 3; do j=1 to 4; salary=salary+300; end; end; run; how many observations will present in the dataset TEMP?

  1. 1

  2. 3

  3. 2

  4. 0


Correct Option: A

data temp; salary=.; if salary=. then salary=100; bonus=10; salary=.; total=sum(salary,bonus); run; What would be the value of TOTAL variable in the dataset TEMP?

  1. 100

  2. 110

  3. 10

  4. .


Correct Option: C

We can write the program without main() in C language

  1. True

  2. False


Correct Option: A

The following code is submitted. data temp; salary='20000'; bonus=0.1*salary; run; What would be the value of BONUS variable in the dataset TEMP?

  1. '2000'

  2. 2000

  3. .

  4. blank


Correct Option: B

Flat file structure is as below (Very good question) 1----5----10 vital reddy 45 vijay 30 sarma 40 The following code is submitted. data temp; infile ‘file specification’; input x $ age; if age<=40; run; How many observations will be there in the TEMP dataset?

  1. 3

  2. 2

  3. 0 observations

  4. syntax error


Correct Option: A

Flat file structure is as below 1----5----10 dan 23 45 bob 44 50 sue 30 80 mam 40 50 The following code is submitted. data temp; infile ‘file specification’; input x $ 1-3; if x='sue' then input age 5-6; else input height 8-9; run; what would be the value of variable AGE in the dataset TEMP when variable X has the value ‘Sue’?

  1. 44

  2. 30

  3. 40

  4. 55


Correct Option: C
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