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programming languages Online Quiz - 121

Description: programming languages Online Quiz - 121
Number of Questions: 20
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Tags: programming languages
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PROC SORT data = lib.temp out = temp2; By subjid; Run; In which library temp2 is made?
technology programming languages

  1. work

  2. sasuser

  3. lib

  4. syntax error

Show answer
Correct Option: A

options obs = 500; Data TEMP; Set test(firstobs = 75); Run; What will be the number of observations in temp dataset?
technology programming languages

  1. 425

  2. 424

  3. 500

  4. 426

Show answer
Correct Option: D

PROC SORT data = temp out=new; BY JOBCODE Descending SALARY; RUN; Temp DATASET What will be the output??

technology programming languages

  1. "temp" dataset sorted by jobcode in desending order and salary in ascending order

  2. "temp" dataset sorted by jobcode in ascending order and salary in descending order

  3. "new" dataset sorted by jobcode in ascending order and salary in descending order

  4. "new" dataset sorted by jobcode in descending order and salary in ascending order

Show answer
Correct Option: C

data temp; test = ‘X’; select(test); when(‘Y’) Name = ‘Ank’; when(‘X’) Name = ‘Ankur’; when(‘Z’) Name = ‘ ’; end; run; What is the output?
technology programming languages

  1. Ank

  2. Ankur

  3. Missing

  4. 'Ankur'

Show answer
Correct Option: A

data null; put ‘test’; run; Where will the ouput(test) be written?
technology programming languages

  1. Syntax error

  2. Log

  3. In Last file opened

  4. In dataset null

Show answer
Correct Option: B

What is true about ERROR variable?
technology programming languages

  1. d.) Will have values “TRUE” or “FALSE”

  2. c.) Will have values “YES” or “NO”

  3. b.) This variable appears in output dataset

  4. a.) Can be used in assignments/calculation in datastep.

Show answer
Correct Option: D

1----5----10--- (data in file ‘asa’) 03132000 data temp; infile ‘asa’; input date : MMDDYY10.; run; What will be stored in date?
technology programming languages

  1. 02 January

  2. 02FEB2000

  3. 01022000

  4. 14682(number of days from 1st jan 1960)

Show answer
Correct Option: D

data test; n=1; do while(n lt 6); n+1; end; run; What will be the value of n at the end of datastep?
technology programming languages

  1. 7

  2. 6

  3. 5

  4. 8

Show answer
Correct Option: B

data test; dat = '13MAR2000'd; format dat WEEKDATE.; run; What will be the value of dat in output dataset?
technology programming languages

  1. 14682 (nmber of days from 1st jan 1960)

  2. 13MAR2000

  3. Monday, March 13, 2000

  4. Mon, March 13, 2000

Show answer
Correct Option: C

data temp; set x; run; “missing code” data test; set y; run; What will be the missing code to reset the page number ?
technology programming languages

  1. OPTIONS PAGENO = 1;

  2. OPTIONS RESET PAGENO = 1;

  3. OPTIONS RESET PAGENUMBER = 1;

  4. OPTIONS PAGENUMBER = 1;

Show answer
Correct Option: A

DATA TEMP; Infile ‘filename’; Input ID $5 @; If ID = ‘RAMES’ then input Y $6 Z $10 @; else ID = ‘VIJAY’ then input R $2 @; Input age 5.; RUN; How many lines are read from input file during one execution of dataset?

technology programming languages

  1. 2

  2. 1

  3. 3

  4. 4

Show answer
Correct Option: B

AI Explanation

To determine the number of lines read from the input file during one execution of the dataset, we need to analyze the code.

The code snippet provided is using the SAS programming language. Let's break down the code step by step:

  1. DATA TEMP;: This line initializes a SAS dataset named "TEMP".

  2. Infile 'filename';: This line specifies the input file to be read. However, the file name is not provided in the code snippet.

  3. Input ID $5 @;: This line reads the first 5 characters from each line of the input file into the variable "ID".

  4. If ID = 'RAMES' then input Y $6 Z $10 @;: This line checks if the value of "ID" is equal to 'RAMES'. If it is, then it reads the next 6 characters into the variable "Y" and the following 10 characters into the variable "Z".

  5. else ID = 'VIJAY' then input R $2 @;: This line is not valid SAS syntax. It seems to be a mistake in the code.

  6. Input age 5.;: This line reads the next 5 characters from each line of the input file into the variable "age".

  7. RUN;: This line indicates the end of the data step.

Based on the code provided, we can see that only one "input" statement is valid, which is Input ID $5 @;. Therefore, only one line is read from the input file during one execution of the dataset.

So, the correct answer is:

B) 1

How to write comma separated file?
technology programming languages

  1. a.) FILE ‘filename’ dsd = ‘,’;

  2. b.) FILE ‘filename’ dlm = ‘ ’ dsd = ‘,’;

  3. c.) FILE ‘filename’ dlm = ‘,’;

  4. d.) FILE ‘filename’ csv = ‘,’;

Show answer
Correct Option: C

1----5----10----15----(file ‘abc’) RAM,,20 RAJU,SHARMA,24 DATA temp; Infile ‘abc’ dsd; Input FNAME $ LNAME $ AGE; RUN; What will be the value of LNAME for 1st observation?
technology programming languages

  1. ‘,’

  2. blank character value

  3. ‘SHARMA’

  4. syntax error

Show answer
Correct Option: B

libname temp ‘abc.sds.as’; data temp.X1; set sasuser.X2; run; Which is the correct statement??
technology programming languages

  1. In datastep input is read from temporary location and output is written to temporary location.

  2. .) In datastep input is read from permanent location and output is written to temporary location.

  3. In datastep input is read from temporary location and output is written to permanent location.

  4. In datastep input is read from permanent location and output is written to permanent location.

Show answer
Correct Option: D

What is the output of DATE9. format?
technology programming languages

  1. 11/31/2000

  2. 31/11/2000

  3. 31NOV2000

  4. 01NOVEMBER2000

Show answer
Correct Option: C

data a; do X=1 to 3 ; input ID NAME $ AGE; end; datalines; 01 vivek 22 02 vital 25 03 rajes 20 ; What will be the number of observations and variables in output dataset??
technology programming languages

  1. 3 and 3

  2. 1 and 3

  3. 1 and 4

  4. 3 and 1

Show answer
Correct Option: C

What informat should be used to read the date variable in the flat file having the values like 02NOV2003?

technology programming languages

  1. DATE9.

  2. MMDDYY8.

  3. MMDDYY10.

  4. none

Show answer
Correct Option: A

Flat file structure is as below 1----5----10 $1,120 The following code is submitted. data temp; infile ‘file specification’; input salary 5; run; What would be the value of SALARY in the dataset TEMP
technology programming languages

  1. blank value

  2. $1,120

  3. 2

  4. .

Show answer
Correct Option: C

Format name or Informat name should end with a dot eg:DATE9.
technology programming languages

  1. True

  2. False

Show answer
Correct Option: A

data temp; length y $5; x=4; if x=4 then y='four'; else if x=7 then y='seven'; x=7; run; What would be the value of X and Y in the dataset temp?
technology programming languages

  1. X=4 and Y= ‘seven’

  2. X=7 and Y=’seven’

  3. X=7 and Y=’four’

  4. X=4 and Y=’four’

Show answer
Correct Option: C
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