Quick Test on Printf

Here is a quick  test  before starting new chapter on C ? Please note that each output answer option is at the end markes as ***************** which also part of printf() command

This is the basic test of printf command for beginners

1. What output you expect from following code ?

/******************************************/

printf(“test0 \r\n”);
printf(“test12 \r”);
printf(“test3 \n”);
printf(“test4 \n”);
printf(“test5 \t”);
printf(“test6 \r\n”);
printf(“test78 \r”);
printf(“***********************\r\n”);

Select one of the answer from : 

 

 
 
 
 

2. You might have noticed that printf without \n doesn’t appear in the output. What should be the command to make sure output appears on the console ?

 
 
 
 

3. What should be output of following ?

printf(“%-+5.3f \n”, 20.1356); //Left justify ,sign,width
printf(“%-+5.3f \n”, -20.1356);
printf(“%-#5.3e \n”, 20.1356);
printf(“%-5.3f \n”, -20.1356);
printf(“%-#10.2x \n”, 144);//left justify
printf(“%010x \n”, 144); //right justify with leading zeros
printf(“%-010x \n”, 144); //left justify
printf(“***********************\r\n”);

Select one of the answer from : 

 
 
 
 

Question 1 of 3

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