File Input Output - Practice Test

[#71] Explain the format string "%5d%s %c"

(A) five characters as a decimal integer, then reads the remaining as a string and then scans the first non-whitespace character

(B) compile error

(C) run-time error

(D) read first five characters as a decimal and ignore the rest

Correct Answer

(A) five characters as a decimal integer, then reads the remaining as a string and then scans the first non-whitespace character

[#72] What is the difference between %e and %g?

(A) %e output formatting depends on the argument and %g always formats in the format [-]m.dddddd or [-]m.dddddE[+|-]xx where no.of ds are optional

(B) %e always formats in the format [-]m.dddddd or [-]m.dddddE[+|-]xx where no.of ds are optional and output formatting depends on the argument

(C) No differences

(D) Depends on the standard

Correct Answer

(B) %e always formats in the format [-]m.dddddd or [-]m.dddddE[+|-]xx where no.of ds are optional and output formatting depends on the argument

[#73] Strcat() function adds null character.

(A) Only if there is space

(B) Always

(C) Depends on the standard

(D) Depends on the compiler

Correct Answer

(B) Always

[#74] If the mode includes b after the initial letter, what does it indicates?

(A) text file

(B) big text file

(C) binary file

(D) blueprint text

Correct Answer

(C) binary file

[#75] A fatal error will be generated if the format string is ended with a white space character.

(A) true

(B) false

Correct Answer

(A) true

File Input Output - Study Mode

[#71] Explain the format string "%5d%s %c"

Correct Answer

[#72] What is the difference between %e and %g?

Correct Answer

[#73] Strcat() function adds null character.

Correct Answer

[#74] If the mode includes b after the initial letter, what does it indicates?

Correct Answer

[#75] A fatal error will be generated if the format string is ended with a white space character.

Correct Answer